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 | ||
| External 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, pre-alarm | 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 | ||
| External 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 |
| Fault Record | 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 |
- Cross-brand Replacement Comparison
| 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 | Root Cause | 解決 |
| Protector fails to start | – | Power cut-off, abnormal voltage | 1. 配線を確認してください |
| 2. Measure supply voltage | |||
| 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 |
- Air Transport Compliance & 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: Lead-free eco-friendly design
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 certificate, manual and packing list required
Notice: Avoid contact with sharp objects to prevent shell and insulation damage
- Application Cases
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
Outcome: 3 bearing seizure motor burnout accidents avoided, maintenance cost cut by 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
Outcome: Real-time pump monitoring, early abnormal warning, production safety improved by 50%
- 選定ガイドライン
Quick Rules
- 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
Industry Applications
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: Conveyor, 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
