접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
This is a 2-pole DPDT (Double Pole Double Throw) general purpose power relay from Omron’s G2R series. It features a 24 VDC coil, 5A contact rating, LED indicator + 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
표준 모델: G2R-2-SND DC24(에스) (“G2R-2-SNDC24(에스)” as input by the user is a common abbreviation)
| Part | 의미 | 설명 |
| G2R | 제품 시리즈 | Omron classic general purpose power relay series |
| 2 | 극 수 | 2 극 (DPDT) |
| 에스 | Basic Type | Plug-in terminal type, standard dimensions |
| N | 특징 | With LED operation indicator |
| 디 | 보호 기능 | Built-in flyback diode (coil surge suppression) |
| DC24 | Coil Specification | 24 VDC coil |
| (에스) | Special Marking | Transparent housing with mechanical operation indicator |
- 주요 기술 사양
| 매개변수 | 사양 | 메모 |
| 연락처 구성 | 2-pole DPDT (2아니요 + 2NC) | Double Pole Double Throw, 8 pins |
| 정격전류 | 5A @ 380VAC / 125VDC | Resistive load, AC-15 / DC-13 |
| Contact Dielectric Strength | 500VAC / VDC | Between coil and contacts |
| Impulse Withstand Voltage | 10,000다섯 | High safety margin |
| 접촉 재료 | AgSnIn (Silver-Tin-Indium) | Anti-welding, arc-resistant, extended service life |
| 코일 전압 | 24 VDC | Operating range: 16.8 ~ 26.4V |
| Coil Current | 25.6엄마 | Coil resistance approx. 1.1 k惟 |
| 코일 전력 소비 | 대략. 0.61여 | 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 | 맥스. 15ms / 맥스. 10ms | Standard response speed |
| 기계적 수명 | 10 백만 개의 작업 | Under rated conditions |
| 전기적 수명 | 100,000 운영 (5에이, 250VAC) | Resistive load |
| 작동 온도 | -40掳C ~ +85掳C | Wide temperature range for industrial environments |
- 제품특징 & 장점
- Integrated Design: 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.
- 쉬운 설치: 8-pin plug-in design enables quick replacement, compatible with standard sockets and DIN rail systems.
- Transparent Housing: Models with the (에스) 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.
- 응용
- 산업 자동화: PLC 출력 확장, relay control panels, machine tool electrical systems.
- Equipment Control: 모터 제어, solenoid valve actuation, heater and lighting system switching.
- 빌딩 자동화: HVAC system control, access control and security device interfaces.
- Instrumentation: Signal switching in test equipment, control circuits in medical devices.
- Energy Management: 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
| 교체 모델 | Similarities | Differences | Recommendation |
| G2R-2-SND DC24 | 2-pole DPDT, 24VDC, 5에이, with LED + diode | No mechanical indicator, opaque housing | ★★★★★ (완벽하게 호환됨) |
| G2R-2-SNDI DC24(에스) | 2-pole DPDT, 24VDC, 5에이, with LED + diode + mechanical indicator | With manual test button (I=Test) | ★★★★☆ (향상된 기능) |
| G2R-2-S DC24 | 2-pole DPDT, 24VDC, 5에이 | No LED indicator, no diode | ★★★☆☆ (Basic version) |
5.2 Upgraded Replacement Solutions
| Replacement Series | 샘플 모델 | 장점 | 응용 |
| G2RL Series (Officially Recommended) | G2RL-2-SND DC24 | Lower power consumption (0.36여), 더 작은 크기 | 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
| 상표 | 모델 | 호환성 | 가격 우위 |
| 슈나이더 | RXM2LB2BD | 2-pole DPDT, 24VDC, 5에이 | 대략. -10% ~ -15% |
| 지멘스 | 3RT2016-1BB01 | Similar specifications, industrial-grade quality | 대략. +5% ~ +10% |
| 씨줄 | CR-M230AC2L | 2-pole DPDT, 24VDC, 5에이 | 대략. 0% ~ +5% |
| Chinese Domestic Brands | Chint JZX-22F/2Z-DC24V | 완벽하게 호환됨, high cost-performance | 대략. -30% ~ -50% |
- Complete Model List for G2R Series S(에스) Sub-Series (2-폴)
| Coil Type | 모델 | 특징 | 정격전류 |
| DC 코일 | G2R-2-S DC12 | Basic type, no LED / diode | 5에이 |
| G2R-2-SN DC24 | With LED indicator | 5에이 | |
| G2R-2-SD DC24 | With diode | 5에이 | |
| G2R-2-SND DC24 | With LED + diode | 5에이 | |
| G2R-2-SND DC24(에스) | With LED + diode + mechanical indicator + transparent housing | 5에이 | |
| G2R-2-SNDI DC24(에스) | With LED + diode + mechanical indicator + 테스트 버튼 | 5에이 | |
| AC 코일 | G2R-2-S AC24 | Basic type, 24VAC | 5에이 |
| G2R-2-SN AC110 | With LED indicator, 110VAC | 5에이 | |
| G2R-2-SN AC220 | With LED indicator, 220VAC | 5에이 |
- 선택 & Purchasing Guidelines
- Status Confirmation: Original model G2R-2-SND DC24(에스) is discontinued; prioritize replacement models for procurement.
- 장착 호환성: 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.
- 부하 유형: 유도 부하용, 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, 5에이)
Classified by standard type / with indicator / with diode / with LED + diode / with mechanical indicator (에스), including all DC24V models.
- Model Naming Rule (G2R-2-S□□ DC□)
G2R: 시리즈
2: 2 극 (DPDT / 2아니요 + 2NC)
에스: 8-pin plug-in terminal
N: With LED operation indicator
디: With coil flyback diode (surge suppression)
나: With manual test button
(에스): Transparent housing + mechanical operation indicator
DC24: Coil voltage 24 VDC
1) Standard Basic Type (No Indicator, No Diode)
G2R-2-S DC12
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-SN DC24
G2R-2-SN AC24
G2R-2-SN AC110
G2R-2-SN AC220
3) With Flyback Diode (디)
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 + 기계적 표시기 (Transparent Housing S)
G2R-2-SND DC12 (에스)
G2R-2-SND DC24 (에스) (Your model)
G2R-2-SND DC48 (에스)
6) With LED + Diode + 기계적 표시기 + Test Button (나)
G2R-2-SNDI DC12 (에스)
G2R-2-SNDI DC24 (에스)
G2R-2-SNDI DC48 (에스)
- Exact Match for Your Model
Your Model: G2R-2-SND DC24 (에스)
2-pole DPDT (8 pins)
5A contacts
24 VDC coil
With LED + built-in diode + transparent housing mechanical indicator
- Direct Replacement List (Compatible, 8-핀, 5에이, 24VDC)
- G2R-2-SND DC24 (No transparent housing / mechanical indicator, most common replacement)
- G2R-2-SNDI DC24 (에스) (With additional test button)
- G2RL-2-SND DC24 (Upgraded low-power version)
- RXM2LB2BD (Schneider equivalent)
