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TENSO DGK-04F Digital Adjustable 3-Phase Over&Under Voltage & Phase Sequence Control Relay
- Posicionamiento del modelo & Funciones principales
TENSO DGK-04F is a digitally adjustable 3-phase over&under voltage+phase sequence control relay manufactured by TENSE Electronic (Pavo). It belongs to the DGK series protection and control products, designed specifically for industrial three-phase equipment. It monitors voltage anomalies (overvoltage/undervoltage) and phase sequence errors simultaneously to prevent equipment damage caused by grid fluctuations or wiring mistakes.
Reglas de codificación de modelos (DGK-XXX)
| Section | Significado | Ejemplo |
| DGK | Fixed prefix (digital adjustable 3-phase voltage control relay) | DGK |
| 4 | Function code (04=over&under voltage + phase sequence control, 03=over&under voltage control, 01=single-phase control) | 4 |
| F | Version indicator (F=digital display/enhanced type, no suffix=basic type, PF=with phase failure protection) | F |
- Core Technical Specifications
| Categoría de parámetro | Detailed Specifications |
| Funciones de protección | 3-phase overvoltage protection, 3-phase undervoltage protection, phase sequence error protection, non-phase-sequence control (switchable) |
| Voltage Setting Range | Sobretensión: 400V – 460V AC (ajustable); Subtensión: 230V – 360V AC (ajustable) |
| Tiempo de respuesta | Fault waiting time: 0.1s – 10s (ajustable), fast response to grid anomalies |
| Calificación de contacto | 5CA/250 VCA (carga resistiva), 1 NO + 1 NC contact configuration |
| Supply Voltage | 3-phase AC 380V (no neutral wire required), wide voltage design for global power grids |
| Frecuencia de funcionamiento | 50/60Hz (auto-adaptive) |
| Temperatura de funcionamiento | -10°C to +55°C (industrial standard wide temperature range) |
| Montaje | Montaje en carril DIN (standard 35mm) or front panel mounting, flexible for control cabinet layout |
| Dimensiones | Diseño compacto, ahorra espacio en el gabinete |
| Certificaciones | CE, UL, CSA (compliant with international safety standards) |
| Grado de protección | IP20 (debe instalarse en el gabinete de control) |
| Consumo de energía | Low power consumption, energy-saving and eco-friendly |
- Características clave & Ventajas
- Three-in-one protection: Integrates overvoltage, subtensión, and phase sequence protection; one device solves multiple grid risks.
- Digital precise adjustment: Higher accuracy (±1V) than analog relays, with more intuitive settings.
- Non-phase-sequence control mode: Switchable via DIP switch, suitable for special applications without phase sequence protection.
- No neutral wire required: Direct 3-phase power supply, simplifies wiring and reduces installation cost.
- Stable wide-temperature operation: Adapts to harsh industrial environments and maintains reliable performance at high/low temperatures.
- Dual mounting methods: DIN rail or panel mounting to meet different cabinet design requirements.
- Clear fault indication: LED indicators intuitively show operating status and fault types for quick troubleshooting.
- DGK Series Full Model Comparison
| Modelo | Funciones de protección | Voltage Setting Range | Special Features | Solicitud |
| DGK-01 | Single-phase over&under voltage protection | Sobretensión: 230V–260V; Subtensión:170V–220V | Single-phase dedicated, tamaño más pequeño | Lighting systems, small single-phase equipment |
| DGK-03 | 3-phase over&under voltage protection | Sobretensión:400V–460V; Subtensión:230V–360V | tipo básico, cost-optimized | General 3-phase motors, zapatillas |
| DGK-04 | 3-phase over&under voltage + protección de secuencia de fases | Sobretensión:400V–460V; Subtensión:230V–360V | No digital display, basic functions | General industrial equipment, budget-limited projects |
| DGK-04F | 3-phase over&under voltage + protección de secuencia de fases | Sobretensión:400V–460V; Subtensión:230V–360V | Digital display, adjustable parameters | Precision equipment, key production lines, automation systems |
| DGK-04PF | 3-phase over&under voltage + phase sequence + phase failure protection | Sobretensión:400V–460V; Subtensión:230V–360V | Full-function protection, including phase loss detection | Critical equipment, continuous production systems |
- Escenarios de aplicación típicos
- Industrial motor protection: 3-phase asynchronous motors, compresores, zapatillas; prevents winding burnout from abnormal voltage or mechanical damage from reverse rotation due to phase sequence error.
- Líneas de producción automatizadas: PLC control systems, robot workstations, CNC machines; ensures stable operation of precision equipment and avoids production interruptions caused by grid fluctuations.
- Building electrical systems: Central air conditioning, ascensores, pump rooms; protects key building equipment and improves power supply reliability.
- Renewable energy: PV inverters, wind power equipment; adapts to unstable new energy output and protects grid-connected devices.
- Petrochemical industry: Auxiliary equipment outside hazardous areas; wide-temperature design adapts to high-temperature refinery environments.
- Maquinaria minera: Crushers, transportadores; withstands harsh grid conditions and prevents frequent equipment failures.
- Alternative Products & Order Codes from Other Brands
6.1 Alternativas de marcas internacionales (Equivalent Function)
| TENSE Model | Marca | Alternative Model | Código de pedido | Key Matching Points |
| DGK-04F | siemens | 3UG4632-1AW30 | 3UG4632-1AW30 | 3-phase over&under voltage + protección de secuencia de fases, pantalla digital, adjustable parameters |
| DGK-04F | Schneider | RM22TG20 | RM22TG20 | 3-phase voltage monitoring, over&under voltage + protección de secuencia de fases, 5A contacts |
| DGK-04F | TEJIDO | CM-PVS.41S | 1SVR730820R1200 | 3-phase over&under voltage + phase sequence + phase loss protection, full grid monitoring |
| DGK-04F | Omron | K8DS-PH3 | K8DS-PH3 | Digital 3-phase voltage & phase sequence relay, adjustable response time |
6.2 Chinese Brand Alternatives (Cost-Effective)
| TENSE Model | Marca | Alternative Model | Código de pedido | Key Matching Points |
| DGK-04F | CHINT | NJD-8 | NJD-8 | 3-phase over&under voltage + protección de secuencia de fases, affordable, suitable for domestic grids |
| DGK-04F | Delicioso | CDJS1 | CDJS1 | Digital display, comprehensive 3-phase voltage & protección de secuencia de fases, 5A contact rating |
| DGK-04F | Changshu Switch | CK3-32 | CK3-32 | Triple protection: over&under voltage + phase sequence + pérdida de fase, industrial-grade reliability |
- Key Points for Selection & Reemplazo
7.1 Core Matching Dimensions (Must Check for Replacement)
| Dimension | Estándar coincidente | Notas |
| Funciones de protección | Fully consistent (sobretensión + subtensión + phase sequence) | Avoid insufficient protection due to missing functions |
| Calificación de contacto | ≥5A/250V AC | Ensure it can drive control circuit loads |
| Supply Voltage | 3-phase 380V (no neutral wire) | Match original system power to avoid complex wiring |
| Tiempo de respuesta | 0.1–10s adjustable | Short-delay models required for fast-response equipment |
| Montaje | Montaje en carril DIN | Maintain consistent control cabinet layout |
7.2 Replacement Implementation Recommendations
- Parameter migration: Record overvoltage/undervoltage thresholds, response time and other parameters of the original DGK-04F, and set identical parameters on the new device after replacement.
- Wiring verification: 3-phase power wiring must be consistent with the original system; phase sequence errors cause false protection.
- Function test: After replacement, perform simulated overvoltage, undervoltage and phase sequence error tests to verify normal protection functions.
- Redundant configuration: Paired configuration is recommended for critical equipment to improve system reliability.
- Guía de selección rápida
| Solicitud | Preferred Model | Alternative Suggestion | Budget Reference |
| Key production lines / equipo de precisión | DGK-04PF (protección de función completa) | Siemens 3UG4632-1AW30 | Medium–high budget |
| General industrial motors / zapatillas | DGK-04F | Schneider RM22TG20 | Medium budget |
| Proyectos sensibles a los costos / civil buildings | DGK-04 | CHINT NJD-8 / Delixi CDJS1 | Low budget |
Complete Manual of TENSE Relay Product Series Codes
- Voltage Control Relays (Core Protection Series)
1.1 Classic Analog Type (GK Series)
| Modelo | Descripción de la función | Solicitud |
| GKE-40 | Single-phase over&under voltage control relay | Residential/commercial single-phase equipment protection |
| GKV-12 | Single-phase over&under voltage control relay | Small single-phase motors, pump control |
| GKV-12F | Single-phase over&under voltage control relay (enhanced) | Precision single-phase equipment requiring digital display |
| GK-03 | 3-phase over&under voltage control relay | Basic voltage protection for 3-phase motors |
| GK-04 | 3-phase over&under voltage + relé de control de secuencia de fases | 3-phase equipment protection against wiring errors + voltage anomalies |
| GK-04F | 3-phase over&under voltage + relé de control de secuencia de fases (pantalla digital) | 3-phase equipment requiring status indication |
| GK-04S | 3-phase over&under voltage + relé de control de secuencia de fases (special version) | Custom for specific industrial scenarios |
| GKM-11 | Single-phase over&under voltage control relay (high sensitivity) | Voltage fluctuation-sensitive equipment |
| GKM-02 | Single-phase over&under voltage control relay (compact) | Installation in narrow control cabinets |
| GKM-02F | Single-phase over&under voltage control relay (compact + display) | Small equipment + monitoreo de estado |
| GKT-03 | 3-phase over&under voltage control relay (wide range) | Special voltage-class 3-phase systems |
| GKT-03F | 3-phase over&under voltage control relay (wide range + display) | Wide voltage range + status display |
1.2 Digital Adjustable Type (DGK Series)
| Modelo | Descripción de la función | Solicitud |
| DGK-01 | Digital adjustable single-phase over&under voltage control relay | Precision single-phase equipment with precise parameter adjustment |
| DGK-03 | Digital adjustable 3-phase over&under voltage control relay | 3-phase motors requiring accurate voltage protection |
| DGK-04 | Digital adjustable 3-phase over&under voltage + relé de control de secuencia de fases | Comprehensive protection for standard 3-phase equipment |
| DGK-04F | Digital adjustable 3-phase over&under voltage + relé de control de secuencia de fases (pantalla digital) | Industrial automation production lines requiring status monitoring |
| DGK-04PF | Digital adjustable 3-phase over&under voltage + phase sequence + phase failure protection relay (full-function) | Critical equipment requiring complete grid monitoring |
- Current Protection Relays (Sobrecarga / Protección de pérdida de fase)
| Modelo | Descripción de la función | Solicitud |
| TRM-100 | Digital 3-phase overload protection relay | Sobrecarga, rotor bloqueado, phase loss protection for 3-phase motors |
| TRM-200 | Digital 3-phase overload protection relay (extended) | Large 3-phase motors with multi-parameter adjustment |
| DR-01 | Single-phase current protection relay | Overload protection for single-phase motors |
| DR-02 | 3-phase current protection relay | Basic current protection for small 3-phase motors |
- Time Relays (Delay Control Series)
3.1 Digital Programmable Type
| Modelo | Descripción de la función | Rango de tiempo |
| TTR-10 | Digital programmable multi-function time relay | 0.01s – 9999h, multiple modes |
| TTR-20 | Digital programmable time relay (salida dual) | Complex control logic requiring two delay groups |
3.2 Analog Timing Type
| Modelo | Descripción de la función | Rango de retardo |
| TT-01 | Single delay time relay | 0.1s – 10s |
| TT-02 | Dual delay time relay | 0.1s – 60s |
| TT-03 | Long delay time relay | 1s – 10min |
- Temperature Control Relays (Temperature Monitoring & Protección)
| Modelo | Descripción de la función | Rango de temperatura |
| DT-96Y | Digital temperature control relay (96mm panel) | -50°C ~ +150°C |
| DT-72Y | Digital temperature control relay (72mm panel) | -50°C ~ +150°C |
| DT-48Y | Digital temperature control relay (48mm panel) | -50°C ~ +150°C |
| DT-36Y | Digital temperature control relay (36mm panel) | -50°C ~ +150°C |
| DT-72EM | Digital temperature control relay (enhanced, with communication) | -50°C ~ +200°C, for remote monitoring |
| DT-Y | Universal digital temperature control relay | -50°C ~ +150°C, compact |
| DT-96E/DT-72E/DT-48E/DT-36E | Digital temperature control relay (extended functions) | -50°C ~ +200°C, multiple output modes |
| DT-322 | Dual-channel temperature control relay | Simultaneous monitoring of two temperature points |
| DTZ-96/DTZ-72/DTZ-48 | Intelligent temperature control relay (with PID regulation) | Precision temperature control systems (hornos, furnaces) |
| TK-1/TK-1.5/TK-2/TK-2.5/TK-3/TK-4/TK-5 | Relé de sobrecarga térmica | Motor winding temperature protection, used with contactors |
| PT-1/PT-3 | Temperature probe dedicated relay | Temperature sensor signal conversion & control |
- Submersible Pump Control Relays (Special Control Series)
| Modelo | Descripción de la función | Método de control |
| TDK-96 | Intelligent 3-phase submersible pump control relay (2.9″ graphic LCD) | Electrode-less well control, 1A–250A current range |
| TDK-02 | 3-phase submersible pump control relay (basic) | Ordinary well submersible pumps, basic protection |
| MDK-02 | Single-phase submersible pump control relay | Small single-phase submersible pumps, household/farm use |
| TDK-97 | 3-phase submersible pump control relay (enhanced) | Large submersible pumps with fault recording |
- Power Factor Controllers (Reactive Power Compensation Series)
6.1 Three-Phase Series (RGT Series)
| Modelo | Descripción de la función | Compensation Stages |
| RGT-08 | 3-phase power factor controller | 8-stage compensation |
| RGT-12 | 3-phase power factor controller | 12-stage compensation, graphic LCD |
| RGT-12M | 3-phase power factor controller (memory) | 12-stage, power-off memory |
| RGT-12H | 3-phase power factor controller (with communication) | 12-stage, Modbus communication |
| RGT-12TH | 3-phase power factor controller (thyristor trigger) | 12-stage, contactless switching |
| RGT-18 | 3-phase power factor controller | 18-stage compensation |
| RGT-18H | 3-phase power factor controller (with communication) | 18-stage, Modbus communication |
| RGT-18TH | 3-phase power factor controller (thyristor trigger + comunicación) | 18-stage, contactless + comunicación |
| RGT-24H | 3-phase power factor controller (with communication) | 24-stage compensation, Modbus communication |
| RGT-MT18 | 3-phase digital power factor controller (advanced) | 18-stage, multi-parameter adjustable |
| RGT-12SVC/RGT-18SVC/RGT-MT18 SVC | 3-phase static var compensator controller | Dynamic reactive power compensation, fast response |
6.2 Single-Phase Series (RGM Series)
| Modelo | Descripción de la función | Compensation Stages |
| RGM-07E | Single-phase power factor controller | 7-stage compensation |
| RGM-12E | Single-phase power factor controller | 12-stage compensation |
| RGM-12ER | Single-phase power factor controller (with communication) | 12-stage, Modbus communication |
| RGM-12S | Single-phase power factor controller (simple) | 12-stage, basic functions |
- Special Function Relays (Customized Applications)
| Modelo | Descripción de la función | Solicitud |
| DGR-01 | Earth fault protection relay | Equipment earth fault detection, electric shock prevention |
| DGT-02 | Digital earth fault protection relay | Precision equipment requiring earth current digital display |
| TKR-01 | Star-delta starting relay | Star-delta reduced-voltage starting control for 3-phase motors |
| TSR-02 | Auto-transformer starting relay | Auto reduced-voltage starting control for large motors |
| PSR-03 | Phase sequence protection relay (independent) | 3-phase equipment requiring only phase sequence protection |
- Model Coding Rule Analysis
8.1 Voltage Control Relays (GK/DGK Series)
| Code Segment | Significado | Ejemplo |
| GRAMO | Fixed prefix (voltage control) | GK-04F |
| K | Function type (K=control) | DGK-04PF |
| incógnita | Phase / characteristics (E=single-phase, 03=3-phase over&under voltage, 04=3-phase over&under voltage + phase sequence) | GKE-40 |
| Suffix F | Enhanced type (pantalla digital / extended functions) | GK-04F |
| Prefix D | Digital adjustable type | DGK-01 |
| Suffix PF | Con protección contra fallo de fase | DGK-04PF |
8.2 Power Factor Controllers (RGT/RGM Series)
| Code Segment | Significado | Ejemplo |
| RG | Fixed prefix (reactive power control) | RGT-12 |
| T/M | Phase (T=3-phase, M=single-phase) | RGM-12E |
| Number | Compensation stages (08=8, 12=12, 18=18) | RGT-18 |
| Suffix H | With communication function | RGT-12H |
| Suffix TH | Thyristor trigger output | RGT-12TH |
| Suffix SVC | Static var compensation | RGT-12SVC |
- Series Quick Reference Guide
| Product Category | Core Series | Representative Model | Funciones principales |
| Voltage Protection | GK/DGK | DGK-04F | Over&under voltage + protección de secuencia de fases, digital adjustable |
| Current Protection | TRM/DR | TRM-100 | Sobrecarga + pérdida de fase + locked rotor protection |
| Time Control | TTR/TT | TTR-10 | Multi-function programmable delay |
| Control de temperatura | DT/DTZ | DT-96Y | Digital temperature monitoring & control |
| Pump Control | TDK/MDK | TDK-96 | Comprehensive submersible pump protection & control |
| Reactive Power Compensation | RGT/RGM | RGT-12H | Power factor optimization, energy saving |
Complete Analysis of TENSE ERV Series Time Relays (Including Models, Presupuesto, Applications & Alternativas)
- Series Positioning & Funciones principales
TENSE ERV series is the economy time relay product line of TENSE Electronic (Pavo), focusing on delay control and sequential logic in industrial automation. It covers basic on-delay, multi-function cycle, star-delta starting and other special applications. With compact design, wide voltage adaptability and high cost performance as core advantages, it is widely used in motor control, production line automation, building electrical and other fields.
Core Features of the Series
- Diseño modular: Standard 22.5mm DIN rail mounting, ahorra espacio en el gabinete.
- Wide voltage supply: 150–260V AC / 24V AC/DC auto-adaptive, suitable for global power grids.
- Alta confiabilidad: IP40 protective shell, V-0 flame retardant material, adapts to harsh industrial environments.
- Configuración flexible: Knob / DIP / button adjustment methods to meet different accuracy requirements.
- Protección integral: Sobrecarga, cortocircuito, overvoltage protection to extend service life.
- Reglas de codificación de modelos (ERV-XX[D/F/M/YU/STER])
| Code Segment | Significado | Ejemplo |
| ERV | Fixed prefix (economy time relay) | ERV-12, ERV-09D |
| XX | Basic time range (03=0.1–3min, 09=0.1–9min, 12=0.1–12sec, 30=0.1–30min, 60=0.1–60min, 08=0.1sec–100h) | ERV-30, ERV-08 |
| D | Multi-function type (includes on-delay, off-delay, cycle, etc.) | ERV-03D, ERV-60D |
| F | Flashing type (dual time setting: run time + stop time) | ERV-09F |
| METRO | Memory type (retains settings after power failure) | ERV-08METRO |
| YU/STER | Star-delta dedicated (built-in Y-Δ conversion logic, fixed short delay) | ERV-YU, ERV-STER |
- ERV Series Complete Model List (By Function)
3.1 Basic On-Delay Type (No Suffix D)
| Modelo | Rango de retardo | Configuración de contacto | Solicitud |
| ERV-12 | 0.1s – 12s (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Short delay control (válvulas solenoides, cylinder fast action) |
| ERV-03 | 0.1s – 3min (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Medium delay (fans, pump start delay) |
| ERV-09 | 0.1s – 9min (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Long delay (calentadores, lighting system delay) |
| ERV-30 | 0.1s – 30min (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Extra-long delay (equipment preheating, cooling delay) |
| ERV-60 | 0.1s – 60min (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Ultra-long delay (intermittent production, timed shutdown) |
| ERV-08 | 0.1s – 100h (ajustable) | 1 NO + 1 CAROLINA DEL NORTE | Very long delay (periodic maintenance reminder, backup equipment switching) |
3.2 Multi-Function Delay Type (Suffix D)
| Modelo | Rango de retardo | Modes | Funciones especiales | Solicitud |
| ERV-03D | 0.1s – 3min (ajustable) | 5+ | On-delay, off-delay, single pulse, interval pulse | Pequeños equipos de automatización., multi-logic control |
| ERV-09D | 0.1s – 9min (ajustable) | 5+ | Cycle control (run-stop alternating), flashing mode | Warning lights, intermittent pumps, advertising light boxes |
| ERV-30D | 0.1s – 30min (ajustable) | 5+ | Extended delay range for medium-long cycle control | Production line segment control, material conveying delay |
| ERV-60D | 0.1s – 60min (ajustable) | 5+ | Dual delay setting for complex sequential logic | Large equipment startup process, multi-level safety interlock |
3.3 Special Function Type (Special Suffix)
| Modelo | Function Type | Parámetros principales | Solicitud |
| ERV-09F | Flashing relay | Run:0.1sec–99min, Detener:0.1sec–99min | Warning lights, alarms, signal indication |
| ERV-08METRO | Memory delay relay | 0.1sec–100h, power-off parameter retention | Unattended equipment, emergency systems |
| ERV-YU | Star-delta starting relay | Y delay:0.1–30sec, Y-Δ switch:10–500msec (ajustable) | Star-delta reduced-voltage starting for 3-phase asynchronous motors |
| ERV-STER | Star-delta starting relay (enhanced) | Y delay:0.1–30sec, Y-Δ switch:15msec (fixed), LED status | Precision motor control (compresores, zapatillas) |
| ERV-09DD | Dual-output delay relay | Two independent delay controls, 0.1–9min | Sequential control of two independent devices |
- Core Technical Specifications Comparison (Full Series)
| Categoría de parámetro | Basic Type (ERV-XX) | Multi-Function Type (ERV-XXD) | Star-Delta Dedicated (ERV-YU/STER) | Flashing Type (ERV-09F) |
| Calificación de contacto | 5CA/250 VCA (resistador) | 5CA/250 VCA (resistador) | 5CA/250 VCA (resistador) | 5CA/250 VCA (resistador) |
| Configuración de contacto | 1 NO + 1 CAROLINA DEL NORTE | 1 NO + 1 CAROLINA DEL NORTE | 2 NO + 1 CAROLINA DEL NORTE (star-delta dedicated) | 1 NO + 1 CAROLINA DEL NORTE |
| Supply Voltage | 150–260V AC/24V AC/DC | 150–260V AC/24V AC/DC | 150–260V AC/24V AC/DC | 150–260V AC/24V AC/DC |
| Frecuencia de funcionamiento | 50/60Hz (auto-adaptive) | 50/60Hz (auto-adaptive) | 50/60Hz (auto-adaptive) | 50/60Hz (auto-adaptive) |
| Temperatura de funcionamiento | -10°C to +55°C | -10°C to +55°C | -10°C to +55°C | -10°C to +55°C |
| Consumo de energía | <4Virginia | <4Virginia | <4Virginia | <4Virginia |
| Montaje | Carril DIN (35milímetros) | Carril DIN (35milímetros) | Carril DIN (35milímetros) | Carril DIN (35milímetros) |
| Dimensiones | 22.5×67×76mm | 22.5×67×76mm | 22.5×67×76mm | 22.5×67×76mm |
| Certificaciones | CE, UL, CSA | CE, UL, CSA | CE, UL, CSA | CE, UL, CSA |
- Escenarios de aplicación típicos
- Control de motores
ERV-YU/STER: Star-delta starting for 3-phase motors (7.5kW–90kW)
ERV-30D: Motor overload protection delay to prevent frequent starting
ERV-03: Delayed start of motor auxiliary equipment (fans, oil pumps)
- Líneas de producción automatizadas
ERV-12: Short-cycle action control (cylinder extension, material pushing)
ERV-60D: Inter-process delay to ensure material in place and temperature compliance
ERV-08: Long-cycle equipment maintenance reminders (filter replacement, lubrication)
- Building Electrical Systems
ERV-09F: Emergency lighting flashing control, exit indication
ERV-30: Delayed start of air conditioning and ventilation to balance grid load
ERV-60: Timed control of public area lighting for energy saving
- Special Industrial Applications
ERV-09DD: Dual-station switching control for welding equipment
ERV-08METRO: Delayed closing of cold storage doors to prevent cold air loss
ERV-60D: Chemical dosing and backwash sequence control in water treatment systems
- Alternative Products & Order Codes from Other Brands
6.1 Alternativas de marcas internacionales (Equivalent Function)
| TENSE Model | Marca | Alternative Model | Código de pedido | Key Matching Points |
| ERV-03D | siemens | 3RP1505-1BQ30 | 3RP1505-1BQ30 | 0.1–3min delay, multi-function, Carril DIN |
| ERV-60D | Schneider | RE17R12MW | RE17R12MW | 0.1–60min delay, multiple modes, wide voltage |
| ERV-YU | TEJIDO | CT-MPS.21 | 1SVR730820R1200 | Star-delta starting, 0.1–30sec delay, salida dual |
| ERV-09F | Omron | H3CR-F8 | H3CR-F8 | Flashing control, dual time setting, 5A contacts |
6.2 Chinese Brand Alternatives (Cost-Effective)
| TENSE Model | Marca | Alternative Model | Código de pedido | Key Matching Points |
| ERV-03D | CHINT | JSZ3A-A | JSZ3A-A | On-delay, 0.1–3min, 1 NO + 1 CAROLINA DEL NORTE |
| ERV-60D | Delicioso | CDJS1-60 | CDJS1-60 | Multi-function delay, 0.1–60min, wide voltage |
| ERV-YU | Changshu Switch | CK3-YD | CK3-YD | Star-delta starting, 0.1–30sec, LED indication |
| ERV-08METRO | Tianshui 213 | JSZ8-08M | JSZ8-08M | Memory delay, 0.1sec–100h, power-off retention |
- Key Points for Selection & Reemplazo
7.1 Core Matching Dimensions (Must Check for Replacement)
| Dimension | Estándar coincidente | Notas |
| Rango de retardo | Covers original equipment requirements (p.ej., 0.1–30sec → ERV-YU) | Avoid insufficient or redundant time range |
| Configuración de contacto | Same quantity & tipo (e.g.,1 NO+1 NC →1 NO+1 NC) | Star-delta applications require 2 NO+1 NC |
| Supply Voltage | Adapt to original system (150–260V AC/24V DC) | Avoid damage due to voltage mismatch |
| Montaje | Montaje en carril DIN (22.5mm standard size) | Maintain consistent cabinet layout |
| Function Mode | Same core function (flashing→flashing, star-delta→star-delta) | Multi-function type can replace basic type |
7.2 Recomendaciones de selección
- Basic delay control: Prioritize ERV-XX series (ERV-12 for 0.1–12sec, ERV-03 for 0.1–3min)
- Complex sequential control: Choose ERV-XXD multi-function type (supports multiple delay modes)
- Motor starting applications: Star-delta starting must use ERV-YU/STER dedicated models for accurate switching timing
- Long-cycle control: Choose ERV-08/08METRO (0.1sec–100h) for unattended scenarios
- Budget-sensitive projects: Chinese brand alternatives (CHINT, Delicioso) reduce cost by 30%–50%
- Guía de selección rápida
| Solicitud | Preferred TENSE Model | Alternative Suggestion | Budget Reference |
| 3-phase motor star-delta starting | ERV-YU/STER | ABB CT-MPS.21 / CHINT CK3-YD | Medium–low budget |
| Short-cycle control (<1min) | ERV-03/ERV-03D | Siemens 3RP1505 / Delixi CDJS1-03 | Low budget |
| Long-cycle control (>1min) | ERV-30/ERV-60D | Schneider RE17R12MW / CHINT JSZ3C | Medium budget |
| Flashing / alarm control | ERV-09F | Omron H3CR-F8 / CHINT JSZ3F | Low budget |
| Memory control | ERV-08METRO | Tianshui 213 JSZ8-08M | Medium budget |
