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Finder 7S.14.9.024.0220 Forced Guided Contact Safety Relay Module
- Interpretación del código modelo
| Segmento | Código | Significado |
| Código de serie | 7S | Finder 7S series forced guided contact safety relay module, compatible con EN 50205:2002 Tipo A |
| Configuración de contacto | 14 | 4-polo, 2 Normalmente abierto + 2 Normally Closed contacts |
| Montaje & Terminal | 9 | Montaje en carril DIN, cage-clamp terminal, 22.5mm de ancho |
| Voltaje de la bobina | 24 | 24V DC control coil |
| Versión & Característica | 220 | Standard version without extra functions |
- Core Specification Table
| Categoría | Parámetro | Observaciones |
| Basic Info | ||
| Fabricante | Finder | Famous Italian relay brand |
| Tipo de producto | Forced guided contact safety relay module | Non-latching type |
| Número de orden | 7S.14.9.024.0220 / 7S1490240220 | Two formats are both applicable |
| Parámetros eléctricos | ||
| Voltaje de la bobina | 24En DC | Standard industrial control voltage |
| Consumo de energía de la bobina | 1.2W. | Typical value |
| Contact Arrangement | 2NO+2NC (4PAG) | Forced guided design for synchronous contact operation |
| Corriente nominal | 6A @ 250V AC (AC-1) | Rated value for different load types |
| 6A @ 30V DC (DC-1) | ||
| 3A @ 230V AC (AC-15) | ||
| Material de contacto | AgNi Silver Nickel Alloy | High conductivity and wear resistance |
| Mecánico & Parámetros ambientales | ||
| Tipo de instalación | Carril DIN (EN 60715) | 22.5mm compact width |
| Tipo de terminal | Cage-clamp | Screwless wiring, fácil instalación |
| Grado de protección | IP20 | Finger-proof, suitable for cabinet interior |
| Temperatura de funcionamiento | -40°C ~ +70°C | Wide temperature range for industrial use |
| Temperatura de almacenamiento | -40°C ~ +85°C | |
| Proceso de dar un título | EN 50205:2002 Tipo A, EN 13849-1 | International safety relay standards |
| Vida útil | Mecánico: 10⁷ operations | |
| Eléctrico: 10⁵ operations at rated load |
- Referencia de reemplazo entre marcas
| Marca | Modelo | Similarities | Diferencias |
| Champiñón | PNOZ X2.8P 24VDC | 2NO+2NC, 24VCC, forced guided contact | Professional safety relay, higher price and richer functions |
| siemens | 3TK2825-1BB40 | 2NO+2NC, 24VCC, DIN rail mount | Better compatibility in industrial automation |
| Schneider | Zelio SR2B121BD | 2NO+2NC, 24VCC, forced guided contact | Different terminal design, rentable |
| Omrón | G9SA-321-T075 | 2NO+2NC, 24VCC, safety certified | Tamaño compacto, ideal for limited space |
- 7S Series Main Model List
| Modelo | Contact Layout | Voltaje de la bobina | Tipo de terminal | Special Feature |
| 7S.12.9.024.0220 | 2PAG (1NO+1NC) | 24En DC | Cage-clamp | Estándar |
| 7S.14.9.024.0220 | 4PAG (2NO+2NC) | 24En DC | Cage-clamp | Estándar (este producto) |
| 7S.16.9.024.0220 | 6PAG (3NO+3NC) | 24En DC | Cage-clamp | Estándar |
| 7S.14.9.230.0220 | 4PAG (2NO+2NC) | 230V y | Cage-clamp | Estándar |
| 7S.14.9.024.4220 | 4PAG (2NO+2NC) | 24En DC | Cage-clamp | LED status indicator |
| 7S.14.9.024.5220 | 4PAG (2NO+2NC) | 24En DC | Terminal de tornillo | Estándar |
| 7S.34.9.024.0220 | 4PAG (2NO+2NC) | 24En DC | Cage-clamp | 10Una corriente nominal |
- Solución de problemas & Maintenance Guide
5.1 Common Fault Analysis
| Fenómeno de falla | Posibles causas | Pasos de inspección |
| Coil fails to pull in | 1. Insufficient or reversed coil voltage | 1. Measure coil voltage to confirm 24V DC |
| 2. bobina quemada | 2. Test coil resistance (normal: approx 480Ω) | |
| 3. Cableado suelto | 3. Check terminal tightness | |
| No contact movement | 1. Jammed forced guided mechanism | 1. Check mechanical flexibility after power off |
| 2. Oxidized or burnt contacts | 2. Inspect contact surface damage | |
| 3. Mechanical wear | 3. Verify contact travel distance | |
| Contacto pegado | 1. Arc burn caused by overload or short circuit | 1. Check actual load exceeding rating |
| 2. Contact material fatigue | 2. Replace relay module | |
| LED indicator off | 1. Damaged LED | 1. Check power supply connection |
| 2. Power disconnection | 2. Replace with identical module for test | |
| 3. Internal circuit failure |
5.2 Mantenimiento & Replacement Suggestion
- Safety Priority: Cut off power and wait at least 5 minutes for capacitor discharge before maintenance.
- Estructura modular: On-site repair is not recommended; integral replacement is preferred.
- Procedimiento de reemplazo
Record wiring positions by photos or sketches
Remove old module from DIN rail
Install new module and reconnect wires accordingly
Power on and verify normal operation
- Preventive Maintenance
Inspect terminal connection every 6 meses
Avoid overload, reservar 30% margen actual
Shorten replacement cycle to 2-3 years under harsh conditions
- Escenarios de aplicación & Industry Cases
6.1 Campos aplicables
| Industria | Aplicación típica | Función de seguridad |
| Machinery Manufacturing | Emergency stop circuit, safety door monitoring | Prevent accidental startup, protect operators |
| Línea de producción automática | Cortina de luz de seguridad, two-hand control circuit | Secure operating area safety |
| Elevator & Escalator | Door lock monitoring, safety loop | Avoid unexpected elevator movement |
| Rail Transit | Door control, braking system | Comply with railway safety standards |
| Maquinaria de embalaje | Guardrail monitoring, parada de emergencia | Personnel injury prevention |
6.2 Inadmissible Working Conditions
High vibration environment such as stamping machines, shockproof bracket required
Humid and dusty environment, IP54+ sealed enclosure needed
Ultra-high frequent switching over 10 cycles per minute, solid state relay recommended
High current load over 6A / 250V y, contactor required for capacity expansion
6.3 Consejos de selección & Avoidance Notes
- Distinguish forced guided contact from ordinary relay; EN 50205 compliant type mandatory for safety application
- Confirmar el voltaje de la bobina, avoid AC and DC confusion; this model is 24V DC
- Match load type with corresponding rated current (AC-1/AC-15/DC-1)
- Reserve enough installation space for 22.5mm width module
- Ensure compliance with EN 13849-1 for industrial safety usage
Application Scenarios of Finder 7S.14.9.024.0220
Equipped with forced guided safety contacts, conforming to EN13849 and EN50205 safety standards, applied for equipment safety loop control.
- General Industrial Machinery
- Máquinas herramienta: Emergency stop circuit, safety door interlock, tool magazine safety lock
- Stamping & forging machines: Guard fence detection, slide safety limit
- Máquinas de moldeo por inyección: Mold safety door, manipulator area protection interlock
- Línea de producción automática
- Conveyor line: Light curtain safety protection, station access judgment
- Assembly equipment: Two-hand startup circuit, robot fence access control
- Sorting & máquinas de embalaje: Flip cover protection, fault emergency stop interlock
- Lifting & Hoisting Equipment
- Small lift, cargo elevator door control safety circuit
- Crane lifting tool limit protection, power-off safety lock
- Light Industry & Special Machinery
- Safety stop interlock for printing and textile machinery
- Safety door monitoring for wood cutting equipment
- Fault power-off protection for fans and water pumps
- Transportation & Building Auxiliary
- Automatic door and escalator safety detection circuit
- Vehicle industrial control, miniature railway equipment safety protection
- Control Cabinet Internal Control
- System emergency power-off safety loop
- High voltage cabinet access control and leakage safety interlock
Unsuitable Environments
Non-sealed cabinet with strong corrosion and heavy dust
Ultra-high frequency switching working condition
Working current exceeding 6A rated load
