コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
This is a 2-pole DPDT (双極双投) general purpose power relay from Omron’s G2R series. It features a 24 VDCコイル, 5A contact rating, LEDインジケーター + 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出力, 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
スタンダードモデル: G2R-2-SND DC24(S) (“G2R-2-SNDC24(S)” as input by the user is a common abbreviation)
| 一部 | 意味 | 説明 |
| G2R | 製品シリーズ | Omron classic general purpose power relay series |
| 2 | 極数 | 2 極 (DPDT) |
| S | 基本タイプ | Plug-in terminal type, 標準寸法 |
| N | 特徴 | With LED operation indicator |
| D | 保護機能 | Built-in flyback diode (coil surge suppression) |
| DC24 | コイル仕様 | 24 VDCコイル |
| (S) | Special Marking | Transparent housing with mechanical operation indicator |
- 主要な技術仕様
| パラメータ | 仕様 | 注意事項 |
| 接点構成 | 2-pole DPDT (2いいえ + 2ノースカロライナ州) | 双極双投, 8 ピン |
| 定格電流 | 5A @ 380VAC / 125VDC | 抵抗負荷, AC-15 / DC-13 |
| Contact Dielectric Strength | 500VAC / VDC | Between coil and contacts |
| インパルス耐電圧 | 10,000V | High safety margin |
| 接点材質 | AgSnIn (Silver-Tin-Indium) | Anti-welding, arc-resistant, 耐用年数の延長 |
| コイル電圧 | 24 VDC | 動作範囲: 16.8 ~ 26.4V |
| Coil Current | 25.6ミリアンペア | Coil resistance approx. 1.1 k惟 |
| コイル消費電力 | 約. 0.61W | 低消費電力設計 |
| Mounting Style | 8-pin plug-in | Compatible with dedicated G2R sockets, DINレール取り付けに対応 |
| Protection Structure | Sealed type (カバー付き) | Dustproof and moisture-proof, 安全性の向上 |
| Operate / リリースタイム | マックス. 15MS / マックス. 10MS | Standard response speed |
| 機械的寿命 | 10 100万操作 | 定格条件下 |
| 電気的寿命 | 100,000 オペレーション (5あ, 250VAC) | 抵抗負荷 |
| 動作温度 | -40掳C ~ +85掳C | 産業環境向けの広い温度範囲 |
- 製品の特徴 & 利点
- 統合された設計: Combines LED indicator, built-in flyback diode, and mechanical operation indicator, simplifying wiring and status monitoring.
- 安全 & 信頼性のある: 500V dielectric strength between coil and contacts, 10,000V impulse withstand voltage, compliant with international safety standards.
- 簡単な取り付け: 8-pin plug-in design enables quick replacement, compatible with standard sockets and DIN rail systems.
- 透明なハウジング: Models with the (S) suffix use a transparent case for direct visual inspection of contact status.
- ユニバーサルな互換性: Suitable for switching AC and DC loads; AgSnIn contact material adapts to various operating conditions.
- アプリケーション
- 産業オートメーション: PLC output expansion, relay control panels, machine tool electrical systems.
- 機器制御: モーター制御, solenoid valve actuation, heater and lighting system switching.
- ビルディングオートメーション: HVAC system control, access control and security device interfaces.
- 計装: Signal switching in test equipment, control circuits in medical devices.
- エネルギー管理: Auxiliary control for PV inverters, switching circuits in UPS systems.
- Replacement Model Solutions (重要な情報)
このモデルは生産終了です (EOL). Below are officially recommended and compatible alternatives:
5.1 Direct Replacements within Omron Same Series
| 代替機種 | 類似点 | 違い | おすすめ |
| G2R-2-SND DC24 | 2-pole DPDT, 24VDC, 5あ, with LED + diode | No mechanical indicator, opaque housing | ★★★★★ (完全な互換性) |
| G2R-2-SNDI DC24(S) | 2-pole DPDT, 24VDC, 5あ, with LED + diode + mechanical indicator | With manual test button (I=Test) | ★★★★☆ (充実した機能) |
| G2R-2-S DC24 | 2-pole DPDT, 24VDC, 5あ | No LED indicator, no diode | ★★★☆☆ (基本バージョン) |
5.2 Upgraded Replacement Solutions
| Replacement Series | サンプルモデル | 利点 | アプリケーション |
| G2RL Series (Officially Recommended) | G2RL-2-SND DC24 | Lower power consumption (0.36W), 小さいサイズ | Applications with high energy-saving requirements and limited space |
| G2R-S Series | G2R-2-SND DC24-R | Enhanced RoHS compliance, 同一の性能 | 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
| ブランド | モデル | 互換性 | 価格の優位性 |
| シュナイダー | RXM2LB2BD | 2-pole DPDT, 24VDC, 5あ | 約. -10% ～ -15% |
| シーメンス | 3RT2016-1BB01 | Similar specifications, industrial-grade quality | 約. +5% ～ +10% |
| ABB | CR-M230AC2L | 2-pole DPDT, 24VDC, 5あ | 約. 0% ～ +5% |
| 中国国内ブランド | Chint JZX-22F/2Z-DC24V | 完全な互換性, 高いコストパフォーマンス | 約. -30% ～ -50% |
- Complete Model List for G2R Series S(S) サブシリーズ (2-ポール)
| コイルの種類 | モデル | 特徴 | 定格電流 |
| DCコイル | G2R-2-S DC12 | 基本タイプ, no LED / diode | 5あ |
| G2R-2-SN DC24 | With LED indicator | 5あ | |
| G2R-2-SD DC24 | With diode | 5あ | |
| G2R-2-SND DC24 | With LED + diode | 5あ | |
| G2R-2-SND DC24(S) | With LED + diode + mechanical indicator + transparent housing | 5あ | |
| G2R-2-SNDI DC24(S) | With LED + diode + mechanical indicator + テストボタン | 5あ | |
| ACコイル | G2R-2-S AC24 | 基本タイプ, 24VAC | 5あ |
| G2R-2-SN AC110 | With LED indicator, 110VAC | 5あ | |
| G2R-2-SN AC220 | With LED indicator, 220VAC | 5あ |
- 選択 & Purchasing Guidelines
- Status Confirmation: Original model G2R-2-SND DC24(S) 廃止されました; prioritize replacement models for procurement.
- 取付互換性: Maintain 8-pin plug-in mounting to ensure compatibility with existing sockets.
- 機能のマッチング: Select models with/without LED, diode, and mechanical indicator based on requirements.
- 負荷の種類: 誘導負荷の場合, 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, 5あ)
Classified by standard type / インジケーター付き / ダイオード付き / with LED + diode / with mechanical indicator (S), including all DC24V models.
- モデルの命名規則 (G2R-2-S□□ DC□)
G2R: シリーズ
2: 2 極 (DPDT / 2いいえ + 2ノースカロライナ州)
S: 8-pin plug-in terminal
N: With LED operation indicator
D: With coil flyback diode (サージ抑制)
私: With manual test button
(S): Transparent housing + mechanical operation indicator
DC24: コイル電圧 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 (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 + Mechanical Indicator (Transparent Housing S)
G2R-2-SND DC12 (S)
G2R-2-SND DC24 (S) (あなたのモデル)
G2R-2-SND DC48 (S)
6) With LED + Diode + Mechanical Indicator + テストボタン (私)
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 ピン)
5A contacts
24 VDCコイル
With LED + built-in diode + transparent housing mechanical indicator
- Direct Replacement List (互換性がある, 8-ピン, 5あ, 24VDC)
- 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)
