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
Schneider EOCRPFZ-H1DZ7W is a high-performance flush-mounted intelligent motor protector integrating multiple protection functions. 広い電流範囲とユニバーサル電圧供給を備えています。, 各種産業用モーターに対応. Equipped with millisecond-level response, fault recording function and 4-20mA analog output, it serves as an ideal solution for motor protection in industrial automation systems. Proper parameter configuration effectively extends motor service life, reduces equipment failure rate and boosts production efficiency.
- モデルコードの定義
| セグメント | コード | 説明 |
| 製品シリーズ | EOCRPFZ | Electronic Over Current Relay, Panel Flush Mount Type |
| 取付タイプ | H | Combined type, matched with 3 変流器 |
| 電流定格 | 1 | Direct measurement: 0.5~60A |
| 5-turn mode: 0.1~2.0A | ||
| 外部CT: 1~3600A | ||
| 機能構成 | D | 基本的な保護 + 1-channel 4-20mA analog output |
| 定格電圧 | Z7 | Wide voltage supply: 85~250VAC/DC, 50/60Hz |
| 追加機能 | W | Standard version with fault record, LED display and reset function |
- コア技術パラメータ
| カテゴリ | 仕様 | 述べる |
| 保護機能 | 過電流, undercurrent, 位相損失, ロックされたローター, reverse rotation, current unbalance, ストール, 接地, 漏れ, 短絡, プレアラーム | Selectable definite time, inverse time and overheating inverse time characteristics |
| 電流範囲 | 直接: 0.5~60A | Wide coverage for diverse motors |
| 5-turn: 0.1~2.0A | ||
| 外部CT: 1~3600A | ||
| 電源 | 85~250VAC/DC, 50/60Hz | Strong tolerance to voltage fluctuation |
| 出力信号 | 1-channel 4-20mA current loop | For PLC and upper computer monitoring |
| 接点の定格 | 1-SPST, AC250V/3A resistive load | Standard control contact |
| 表示モード | LCD screen, automatic 5-second cyclic display of three-phase current and leakage current | Manual display switching available |
| 障害記録 | Records latest 3 fault causes and current values, data retained after power off | Convenient fault analysis |
| 応答時間 | 20MS | Fast motor protection |
| インストール | 35mm DIN rail or panel flush mounting | 切り取る: 44-55-66mm, Outline: 55-66-77mm |
| Working Ambient | 温度: -35~85℃, 湿度: ≤95% non-condensing | Suitable for harsh industrial conditions |
| 断熱性能 | 絶縁抵抗: ≥10MΩ@DC500V | 安全で信頼できる |
| 耐電圧: 2kV/50Hz for 1min between circuit and shell | ||
| 注文番号 | EOCRPFZ-H1DZ7W | Official Schneider part number |
- 全モデルリスト (EOCR-PFZ Series)
| モデル | 電流定格 | 関数 | 電源 | Extra Feature |
| EOCRPFZ-H1DZ7W | 0.5~60A | 基本 + 1×4-20mA | 85~250VAC/DC | 標準 |
| EOCRPFZ-H2DZ7W | 0.5~60A | 基本 + 2×4-20mA | 85~250VAC/DC | 標準 |
| EOCRPFZ-WRDZ7W | 0.5~60A | 基本 + 1×4-20mA | 85~250VAC/DC | 標準 |
| EOCRPFZ-WRDUH | 0.5~60A | 基本 + コミュニケーション | 85~250VAC/DC | 標準 |
| EOCRPFZ-C-WRDBWQ | 0.5~60A | 基本 + 1×4-20mA | 24VAC/DC | Wide range |
| EOCRPFZ-C-WRDBT | 0.5~60A | 基本 + 1×4-20mA | 24VAC/DC | Wide range |
| EOCRPFZ-H3DBW | 0.5~60A | 基本 + 3-channel output | 85~250VAC/DC | 標準 |
| EOCRPFZ-WRDZ7WQ | 0.5~60A | 基本 + 1×4-20mA | 85~250VAC/DC | 強化された |
- ブランド間の代替品の比較
| Schneider EOCRPFZ-H1DZ7W | ABB | シーメンス | オムロン | Feature Comparison |
| Intelligent motor protector | M101-P | 3RW55 | K8DS | シュナイダー: 3 障害記録, 20ミリ秒の高速応答 |
| 0.5~60A | 0.1～63A | 0.1～63A | 0.1～63A | ABB: Superior communication performance |
| 1×4-20mA | 1×4-20mA | 1×4-20mA | 1×4-20mA | シーメンス: High PLC compatibility |
| 幅広い電圧 | 24~240VAC/DC | 24~240VAC/DC | 24~240VAC/DC | オムロン: 費用対効果の高い |
- 一般的な障害 & トラブルシューティング
| 故障現象 | コード | 根本的な原因 | 解決 |
| Protector fails to start | – | Power cut-off, 異常電圧 | 1. 配線を確認してください |
| 2. 電源電圧を測定する | |||
| 3. Verify DC polarity | |||
| 誤トリップ | OC/E1 Overcurrent | Improper CT selection, wrong mounting, load fluctuation | 1. Match CT ratio with motor |
| 2. Keep CT away from inverter | |||
| 3. Adjust protection delay | |||
| Phase loss trip | PH/E2 | Missing phase, 配線が緩んでいる, CT failure | 1. Check three-phase voltage |
| 2. Fasten terminals | |||
| 3. Test CT output | |||
| Leakage trip | LE/E3 | Poor line insulation, motor winding grounding | 1. Test motor insulation resistance |
| 2. Inspect cable condition | |||
| 3. Reset leakage threshold | |||
| 通信障害 | – | 間違った配線, mismatched baud rate | 1. Check RS485 A/B connection |
| 2. Set 9600bps, 8N1 | |||
| 3. Confirm 120惟 terminal resistor |
- 航空輸送コンプライアンス & 認証
6.1 認証
CE: Compliant with EU LVD and EMC directives
UL: Meets US safety standards
CSA: Conforms to Canadian safety specifications
RoHS: 鉛フリーの環境に優しい設計
6.2 Air Shipment Rules
Battery status: No built-in lithium battery or supercapacitor, classified as non-dangerous goods
包装: Standard industrial package against vibration damage
書類: CE証明書, manual and packing list required
知らせ: Avoid contact with sharp objects to prevent shell and insulation damage
- 応用事例
場合 1: Fan Motor Protection in Steel Plant
応用: 380V 55kW frequent-start fan motor with locked rotor risk
マッチング: EOCRPFZ-H1DZ7W + 200:5 three-phase CT
設定: 1.2 times rated current overcurrent protection (逆時間); 3 times rated current locked rotor protection (0.5s delay); 3s delay phase loss protection
結果: 3 bearing seizure motor burnout accidents avoided, メンテナンスコストの削減 40%
場合 2: Chemical Pump Monitoring System
応用: 45kW explosion-proof chemical pump with remote current monitoring demand
マッチング: EOCRPFZ-H1DZ7W + Modbus RTU module
設定: 4-20mA output corresponding to 0~200A for PLC acquisition; enabled fault record; 300mA leakage protection threshold
結果: Real-time pump monitoring, early abnormal warning, production safety improved by 50%
- 選定ガイドライン
クイックルール
- 取り付け: H=CT combined type, WR=direct measuring type
- 現在: 1=0.5~60A, 2=0.5~100A
- 関数: D=1-channel 4-20mA, H=2-channel, U=communication
- 電圧: Z7=85~250VAC/DC, C=24VAC/DC
- バージョン: W=Standard, Q=Enhanced
Applicable Scenarios of EOCRPFZ-H1DZ7W
General Applications
- 過負荷, 位相損失, locked rotor and leakage protection for 380V three-phase industrial asynchronous motors
- Control circuits requiring 4-20mA remote signal transmission to PLC and host computer
- Panel flush mounting and DIN rail installation inside control cabinets
- Sites with severe voltage fluctuation, 85~250V AC/DC power supply
産業用途
水処理: ウォーターポンプ, sewage pump, dosing pump, aeration fan
空調設備: Centrifugal fan, axial fan, exhaust fan, cooling tower fan
Machinery Manufacturing: コンベア, mixer, crusher, air compressor
石油化学: Process pump, stirring equipment, explosion-proof matched motor
建物 & 冶金: Kiln fan, dust removal unit, conveying equipment
Building Power Distribution: Fire fan, 給水 & drainage pump, central air conditioning motor
Power Adaptation Range
Direct measurement: 0.5~60A, fits 0.25~30kW motors
Extended by external CT: Max 3600A, applicable to high-power motors
推奨されないシナリオ
- Motors driven by high-frequency inverter without power frequency operation
- Precision servo and stepper motor dedicated protection circuits
- Extreme environment below -35℃ or above 85℃
- Sealed space with heavy corrosion and dense dust without protective measures
