This is a 2-pole DPDT (Double Pole Double Throw) general purpose power relay from Omron’s G2R series. It features a 24 Bobine VCC, 5A contact rating, Indicateur LED + built-in flyback diode with mechanical operation indicator, and uses an 8-pin plug-in mounting design. It is widely used for industrial automation interfaces, PLC outputs, and equipment control. This model is currently discontinued (EOL), and replacement with equivalent or upgraded models from the same series is recommended.
- Complete Model Definition
Standard Model: G2R-2-SND DC24(S) (“G2R-2-SNDC24(S)” as input by the user is a common abbreviation)
| Partie | Signification | Description |
| G2R | Série de produits | Omron classic general purpose power relay series |
| 2 | Nombre de pôles | 2 poteaux (DPDT) |
| S | Type de base | Plug-in terminal type, standard dimensions |
| N | Fonctionnalité | With LED operation indicator |
| D | Fonction de protection | Built-in flyback diode (coil surge suppression) |
| DC24 | Coil Specification | 24 Bobine VCC |
| (S) | Special Marking | Transparent housing with mechanical operation indicator |
- Key Technical Specifications
| Paramètre | Spécification | Remarques |
| Configuration des contacts | 2-pole DPDT (2NON + 2Caroline du Nord) | Double Pole Double Throw, 8 épingles |
| Courant nominal | 5A @ 380VAC / 125VCC | Charge résistive, AC-15 / DC-13 |
| Contact Dielectric Strength | 500ACC / VCC | Between coil and contacts |
| Impulse Withstand Voltage | 10,000V | High safety margin |
| Matériel de contact | AgSnIn (Silver-Tin-Indium) | Anti-welding, arc-resistant, extended service life |
| Tension de bobine | 24 VCC | Operating range: 16.8 ~ 26.4V |
| Coil Current | 25.6mA | Coil resistance approx. 1.1 k惟 |
| Consommation électrique de la bobine | Environ. 0.61W | Low-power design |
| Mounting Style | 8-pin plug-in | Compatible with dedicated G2R sockets, supports DIN rail mounting |
| Protection Structure | Sealed type (with cover) | Dustproof and moisture-proof, improved safety |
| Operate / Release Time | Max. 15MS / Max. 10MS | Standard response speed |
| Durée de vie mécanique | 10 millions d'opérations | Under rated conditions |
| Durée de vie électrique | 100,000 opérations (5UN, 250ACC) | Charge résistive |
| Température de fonctionnement | -40掳C ~ +85掳C | Wide temperature range for industrial environments |
- Caractéristiques du produit & Avantages
- Conception intégrée: Combines LED indicator, built-in flyback diode, and mechanical operation indicator, simplifying wiring and status monitoring.
- Safe & Reliable: 500V dielectric strength between coil and contacts, 10,000V impulse withstand voltage, compliant with international safety standards.
- Installation facile: 8-pin plug-in design enables quick replacement, compatible with standard sockets and DIN rail systems.
- Transparent Housing: Modèles avec le (S) suffix use a transparent case for direct visual inspection of contact status.
- Universal Compatibility: Suitable for switching AC and DC loads; AgSnIn contact material adapts to various operating conditions.
- Applications
- Automatisation industrielle: Extension de sortie API, relay control panels, machine tool electrical systems.
- Contrôle des équipements: Contrôle du moteur, solenoid valve actuation, heater and lighting system switching.
- Automatisation des bâtiments: HVAC system control, access control and security device interfaces.
- Instrumentation: Signal switching in test equipment, control circuits in medical devices.
- Gestion de l'énergie: Auxiliary control for PV inverters, switching circuits in UPS systems.
- Replacement Model Solutions (Key Information)
This model is discontinued (EOL). Below are officially recommended and compatible alternatives:
5.1 Direct Replacements within Omron Same Series
| Modèle de remplacement | Similarities | Differences | Recommendation |
| G2R-2-SND DC24 | 2-pole DPDT, 24VCC, 5UN, with LED + diode | No mechanical indicator, opaque housing | ★★★★★ (Entièrement compatible) |
| G2R-2-SNDI DC24(S) | 2-pole DPDT, 24VCC, 5UN, with LED + diode + mechanical indicator | With manual test button (I=Test) | ★★★★☆ (Enhanced functions) |
| G2R-2-S DC24 | 2-pole DPDT, 24VCC, 5UN | No LED indicator, no diode | ★★★☆☆ (Version de base) |
5.2 Upgraded Replacement Solutions
| Replacement Series | Sample Model | Avantages | Applications |
| G2RL Series (Officially Recommended) | G2RL-2-SND DC24 | Lower power consumption (0.36W), taille plus petite | Applications with high energy-saving requirements and limited space |
| G2R-S Series | G2R-2-SND DC24-R | Enhanced RoHS compliance, identical performance | New design projects meeting latest standards |
| G2R-K Series | G2R-2-KSND DC24 | With key lock to prevent mis-insertion, improved safety level | High-vibration or frequent plugging/unplugging environments |
5.3 Compatible Replacements from Other Brands
| Marque | Modèle | Compatibilité | Price Advantage |
| Schneider | RXM2LB2BD | 2-pole DPDT, 24VCC, 5UN | Environ. -10% ~ -15% |
| Siemens | 3RT2016-1BB01 | Similar specifications, industrial-grade quality | Environ. +5% ~ +10% |
| ABB | CR-M230AC2L | 2-pole DPDT, 24VCC, 5UN | Environ. 0% ~ +5% |
| Chinese Domestic Brands | Chint JZX-22F/2Z-DC24V | Entièrement compatible, high cost-performance | Environ. -30% ~ -50% |
- Complete Model List for G2R Series S(S) Sub-Series (2-Pôle)
| Coil Type | Modèle | Caractéristiques | Courant nominal |
| Bobine CC | G2R-2-SDC12 | Basic type, no LED / diode | 5UN |
| G2R-2-SNDC24 | With LED indicator | 5UN | |
| G2R-2-SD DC24 | With diode | 5UN | |
| G2R-2-SND DC24 | With LED + diode | 5UN | |
| G2R-2-SND DC24(S) | With LED + diode + mechanical indicator + transparent housing | 5UN | |
| G2R-2-SNDI DC24(S) | With LED + diode + mechanical indicator + test button | 5UN | |
| Bobine CA | G2R-2-S AC24 | Basic type, 24ACC | 5UN |
| G2R-2-SN AC110 | With LED indicator, 110ACC | 5UN | |
| G2R-2-SN AC220 | With LED indicator, 220ACC | 5UN |
- Sélection & Purchasing Guidelines
- Status Confirmation: Original model G2R-2-SND DC24(S) is discontinued; prioritize replacement models for procurement.
- Mounting Compatibility: Maintain 8-pin plug-in mounting to ensure compatibility with existing sockets.
- Function Matching: Select models with/without LED, diode, and mechanical indicator based on requirements.
- Type de charge: Pour charges inductives, models with flyback diode (suffix D) are mandatory to protect drive circuits.
- Inventory Management: For legacy equipment using this model, stock replacement parts or consider overall control system upgrades.
Complete Model List for Omron G2R-2-S Series
(8-pin plug-in, 2-pole DPDT, 5UN)
Classified by standard type / with indicator / with diode / with LED + diode / with mechanical indicator (S), including all DC24V models.
- Model Naming Rule (G2R-2-S□□ DC□)
G2R: Série
2: 2 poteaux (DPDT / 2NON + 2Caroline du Nord)
S: 8-pin plug-in terminal
N: With LED operation indicator
D: With coil flyback diode (surge suppression)
je: With manual test button
(S): Transparent housing + mechanical operation indicator
DC24: Tension de bobine 24 VCC
1) Standard Basic Type (No Indicator, No Diode)
G2R-2-SDC12
G2R-2-S DC24
G2R-2-S AC24
G2R-2-S AC110
G2R-2-S AC220
2) With LED Indicator (N)
G2R-2-SN DC12
G2R-2-SNDC24
G2R-2-SN AC24
G2R-2-SN AC110
G2R-2-SN AC220
3) With Flyback Diode (D)
G2R-2-SD DC12
G2R-2-SD DC24
G2R-2-SD DC48
G2R-2-SD DC110
4) With LED + Diode (ND) — Most Common in Industry
G2R-2-SND DC12
G2R-2-SND DC24
G2R-2-SND DC48
G2R-2-SND DC110
5) With LED + Diode + Indicateur mécanique (Transparent Housing S)
G2R-2-SND DC12 (S)
G2R-2-SND DC24 (S) (Your model)
G2R-2-SND DC48 (S)
6) With LED + Diode + Indicateur mécanique + Test Button (je)
G2R-2-SNDI DC12 (S)
G2R-2-SNDI DC24 (S)
G2R-2-SNDI DC48 (S)
- Exact Match for Your Model
Your Model: G2R-2-SND DC24 (S)
2-pole DPDT (8 épingles)
5A contacts
24 Bobine VCC
With LED + built-in diode + transparent housing mechanical indicator
- Direct Replacement List (Compatible, 8-pin, 5UN, 24VCC)
- G2R-2-SND DC24 (No transparent housing / mechanical indicator, most common replacement)
- G2R-2-SNDI DC24 (S) (With additional test button)
- G2RL-2-SND DC24 (Upgraded low-power version)
- RXM2LB2BD (Schneider equivalent)
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