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Definición del código del modelo
| Segmento | Código | Significado |
| G2R | – | Serie de productos: General-purpose Power Relay |
| 0.5 | – | Contact pole: 1-pole SPDT (10A) / 2-pole DPDT (5A) |
| -S | – | Terminal type: Complemento, matched with 8-pin socket |
| -norte | – | Función: Built-in LED operation indicator |
| -D | – | Función: Built-in coil surge suppression diode (DC coil only) |
| -I | – | Función: With lockable test button, manual actuation for circuit inspection |
| (S) | – | Extra function: Standard mechanical indicator and nameplate for model & purpose marking |
| DC24/AC220 | – | Rated coil voltage, specify upon order; AC and DC cannot be mixed |
Mnemonic Rule: G2R series includes 1/2 polos. SNDI integrates LED, freewheeling diode and test button. (S) equips mechanical indicator and nameplate. Select correct AC/DC voltage.
- Core Specification Table (Modelo: G2R-2-SNDI DC24 (S))
| Categoría | Parámetro | Observaciones |
| Especificaciones básicas | ||
| Relay Type | Plug-in miniature power relay | Cumple con IEC 61810-1 |
| Configuración de contacto | 2c DPDT / 1c SPDT | 8 pins for 2-pole, 5 pins for 1-pole |
| Carga nominal | 2-polo: 5A @ 250VAC / 5A @ 30VDC | Carga resistiva; derate for inductive load |
| 1-polo: 10A @ 250VAC / 10A @ 30VDC | ||
| Inductive Load Capacity | 2-polo: 2A @ 250VAC / 0.5A @ 30VDC | factor de potencia 0.4, L/R=7ms |
| 1-polo: 7.5A @ 250VAC / 5A @ 30VDC | ||
| Max Switching Power | 2-polo: 2500Virginia(C.A.) / 300W.(corriente continua) | |
| 1-polo: 3000Virginia(C.A.) / 300W.(corriente continua) | ||
| Contact Resistance | ≤50mΩ (DC5V 1A voltage drop method) | Initial value |
| Parámetros de la bobina (CC 24 V) | ||
| Tensión nominal | CC 24 V | Allowable fluctuation: ±10% |
| Corriente nominal | 21.6mamá | |
| Resistencia de la bobina | 1113Oh | Measured at 20°C |
| Coil Inductance | Aprox.. 3.6h | Reference value |
| Voltaje de recogida | ≤75% de tensión nominal (Max DC18V) | |
| Voltaje de caída | ≥10% de tensión nominal (Min DC2.4V) | |
| Mecánico & Rendimiento eléctrico | ||
| Tiempo de funcionamiento | ≤15ms (excluding contact bounce) | |
| Tiempo de lanzamiento | ≤20ms (diode built-in type) | Standard type ≤10ms |
| Max Operation Frequency | Mecánico: 18,000 ciclos/hora | |
| Eléctrico: 1,800 cycles/hour under rated load | ||
| Resistencia de aislamiento | ≥1000MΩ (DC500V megohmmeter) | Between coil and contact |
| Rigidez dieléctrica | Coil to contact: 2000VAC 1min | 50/60Hz |
| Between contacts: 1000VAC 1min | ||
| Between coils: 500VAC 1min | ||
| Ambiental & Physical Properties | ||
| Temperatura de funcionamiento | -40°C ~ +70°C | Non-condensing |
| Temperatura de almacenamiento | -40°C ~ +85°C | |
| Humedad | 35% ~ 85% RH | Non-condensing |
| Peso | Aprox.. 20gramo | |
| Tipo de montaje | Matched with P2RF series sockets, recommended P2RF-08-PU Push-In Plus socket | 60% wiring time saved |
| Botón de prueba | Lockable type (lockable at ON position) | Circuit inspection without power supply |
- Full Model List SNDI Type (G2R-□-S (S) Serie)
3.1 1-pole Models (G2R-1-SNDI (S))
| Prefijo de modelo | Descripción de la función | Optional Voltage | Order Example |
| G2R-1-SNDI | indicador LED + built-in diode + botón de prueba bloqueable | AC12/24/100/110/200/220V | G2R-1-SNDI DC24 (S) |
| DC6/12/24/48/100V | |||
| G2R-1-SNI | indicador LED + botón de prueba bloqueable (no diode) | Igual que arriba | G2R-1-SNI AC220 (S) |
| G2R-1-SND | indicador LED + built-in diode (no test button) | Igual que arriba | G2R-1-SND DC12 (S) |
| G2R-1-SN | Only LED indicator | Igual que arriba | G2R-1-SN AC110 (S) |
| G2R-1-S | Tipo estándar (no LED/diode/test button) | Igual que arriba | G2R-1-S DC48 (S) |
3.2 2-pole Models (G2R-2-SNDI (S))
| Prefijo de modelo | Descripción de la función | Optional Voltage | Order Example |
| G2R-2-SNDI | indicador LED + built-in diode + botón de prueba bloqueable | AC12/24/100/110/200/220V | G2R-2-SNDI DC24 (S) |
| DC6/12/24/48/100V | |||
| G2R-2-SNI | indicador LED + botón de prueba bloqueable (no diode) | Igual que arriba | G2R-2-SNI AC220 (S) |
| G2R-2-SND | indicador LED + built-in diode (no test button) | Igual que arriba | G2R-2-SND DC12 (S) |
| G2R-2-SN | Only LED indicator | Igual que arriba | G2R-2-SN AC110 (S) |
| G2R-2-S | Tipo estándar (no LED/diode/test button) | Igual que arriba | G2R-2-S DC48 (S) |
3.3 Modelos Especiales
| Modelo | Función especial | Solicitud |
| G2R-2-SNDI-AP3 | AP3 certified, compliant with UL508 | Industrial control for North America |
| G2R-1-SNDI-G | Gold-plated contact | Low-level signal switching ≤100mA |
- Cross-brand Replacement List
| Omron Model | Marca alternativa | Modelo de reemplazo | Diferencia principal |
| G2R-2-SNDI DC24 (S) | Schneider | RXM2AB2BD + test button accessory | Extra test button needed, similar price |
| siemens | 3RT1015-1BB42 + locking test unit | Larger dimension, different contact material | |
| TEJIDO | CR-MX024DC2L + test module | Montaje idéntico, precio más alto | |
| Weidmüller | DRM57024 + manual test switch | Different terminal design, external test function | |
| Domestic brand | YHRJ2S-CL DC24V + botón de prueba | Rentable, consistent performance, optional test button | |
| G2R-1-SNDI DC24 (S) | Schneider | RXM4AB2BD + test accessory | 10A 1-pole capacity, extra test part required |
| siemens | 3RT1016-1BB42 + test device | 12A 1-pole capacity, complete test function |
Sugerencia de selección: Prioritize Omron for integrated design. Choose domestic alternatives for cost control. Match original brand for system compatibility.
- Fallos comunes & Soluciones
| Fenómeno de falla | Posibles causas | Soluciones |
| Quemado de bobina | 1. Mixed AC/DC voltage | 1. Verify AC/DC marking |
| 2. Voltage exceeds 卤10% rated value | 2. Keep voltage within rated range | |
| 3. Reversed DC coil polarity | 3. Wire per +/- terminal marking | |
| No contact actuation after power-on | 1. Test button locked at ON | 1. Switch test button to OFF |
| 2. Voltage lower than 75% valor nominal | 2. Raise voltage over 80% valor nominal | |
| 3. Atasco mecánico & unreset button | 3. Confirm full reset of test button | |
| No response in manual test | 1. Damaged test button | 1. Replace relay |
| 2. Mechanical blockage | 2. Check mounting and socket tightness | |
| 3. Contact welding | 3. Replace relay and inspect overload | |
| LED off while relay operates | 1. Broken LED | 1. Replace relay |
| 2. Burnt current-limiting resistor | 2. Check circuit overcurrent | |
| 3. Reversed DC polarity | 3. Correct coil wiring polarity | |
| Failure to reset after power cut | 1. Locked ON test button | 1. Reset test button |
| 2. Residual coil voltage | 2. Add discharge circuit or replace coil | |
| 3. Contact welding | 3. Replace relay and check load type |
Precauciones: Reset test button properly. Do not mix AC and DC. Correct polarity wiring. Add absorption circuit for inductive load. Do not exceed rated current.
- Cumplimiento del transporte aéreo & Certificaciones
6.1 Cumplimiento del transporte aéreo
| Artículo | Estado | Descripción |
| Built-in lithium battery/supercapacitor | Ninguno | Electromagnetic relay without energy storage components |
| Magnetic property | Weak magnetism | Compliant with IATA DGR Class 9 unrestricted goods |
| Shipping category | General cargo | No UN number required |
| Embalaje | Standard anti-static package | Avoid impact to prevent component damage |
6.2 Certificaciones
| Certificate | Estándar | Compliance Status |
| CE | LVD 2014/35/UE + CEM 2014/30/UE | Compliant |
| RoHS | RoHS 2.0 10-substance restriction | Lead & cadmium free eco-design |
| UL | UL508 Industrial Control Equipment | Optional for partial models (-AP3 suffix) |
| CSA | C22.2 No.14 Canadian Standard | Synchronized with UL certification |
| CEI | CEI 61810-1 General Relay Standard | Compliant |
Export Notice: Provide CE & RoHS documents for EU market. Select UL/CSA certified models with -AP3 suffix for North America.
- Application Cases & Industry Matching
7.1 Escenarios de aplicación típicos
| Industria | Solicitud | Puntos clave de selección |
| Automatización Industrial | PLC output expansion, drive solenoid valves, motores pequeños, contactor coils | DC24V G2R-2-SNDI(S) with P2RF-08-PU socket for convenient circuit test |
| Automatización de edificios | control de climatización, admirador & water pump startup, control de iluminación | AC220V G2R-1-SNDI(S), mechanical indicator for on-site maintenance |
| Equipment Manufacturing | Signal switching for test, medical and semiconductor devices | DC12V G2R-1-SNDI-G(S) gold-plated contact for reliable low-level signal |
| Industria energética | Control loop of solar inverter & Unión Postal Universal | DC48V G2R-2-SNDI(S), built-in diode for surge suppression |
| Rail Transit | Auxiliary vehicle system, door & air conditioning control | DC24V G2R-1-SNDI(S), resistencia a los golpes, easy maintenance test |
7.2 Case Analysis
Case Title: PLC Control Circuit Test Optimization for Auto Parts Production Line
Demand: Frequent fault inspection; traditional powered test is inefficient and risky
Selección: G2R-2-SNDI DC24 (S) + P2RF-08-PU Push-In Plus Socket
Effect:
- Lockable test button realizes manual actuation without power, 30% efficiency improved
- Dual LED & mechanical indicator reduces misjudgment
- Built-in diode suppresses back EMF and protects PLC modules
- Push-In Plus socket cuts wiring time by 60% and lowers installation cost
- Nameplate marking facilitates circuit management
- Reglas de selección & Resumen
Consejos de selección
- Choose poles by load: 1-pole 10A for heavy load, 2-pole 5A for dual circuit
- Identify functions by suffix: Integrated LED, diode and test button; (S) with mechanical indicator
- Confirm voltage: No AC-DC interchange, pay attention to DC polarity
- Match P2RF socket series to save wiring labor
- Lockable test button enables offline circuit inspection
Ventajas principales
All-in-one design with complete indicators and test functions
Easy installation and remarkable wiring efficiency improvement
Convenient offline fault diagnosis
Effective surge protection prolongs service life
Eco-friendly wide temperature range from -40°C to +70°C
