المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
Schneider EOCRPFZ-H1DZ7W is a high-performance flush-mounted intelligent motor protector integrating multiple protection functions. It features wide current range and universal voltage supply, compatible with various industrial motors. 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.
- تعريف رمز النموذج
| شريحة | شفرة | وصف |
| سلسلة المنتجات | EOCRPFZ | Electronic Over Current Relay, Panel Flush Mount Type |
| نوع التركيب | ح | Combined type, matched with 3 المحولات الحالية |
| Current Rating | 1 | القياس المباشر: 0.5~60A |
| 5-turn mode: 0.1~2.0A | ||
| External CT: 1~3600A | ||
| Function Configuration | د | الحماية الأساسية + 1-channel 4-20mA analog output |
| تصنيف الجهد | Z7 | Wide voltage supply: 85~250VAC/DC, 50/60هرتز |
| Additional Function | دبليو | Standard version with fault record, LED display and reset function |
- المعلمات التقنية الأساسية
| فئة | مواصفة | Remark |
| وظائف الحماية | التيار الزائد, undercurrent, خسارة المرحلة, الدوار مقفل, reverse rotation, current unbalance, stall, grounding, تسرب, ماس كهربائى, pre-alarm | Selectable definite time, inverse time and overheating inverse time characteristics |
| النطاق الحالي | Direct: 0.5~60A | Wide coverage for diverse motors |
| 5-turn: 0.1~2.0A | ||
| External CT: 1~3600A | ||
| مزود الطاقة | 85~250VAC/DC, 50/60هرتز | Strong tolerance to voltage fluctuation |
| إشارة الإخراج | 1-channel 4-20mA current loop | For PLC and upper computer monitoring |
| تقييم الاتصال | 1-SPST, AC250V/3A resistive load | Standard control contact |
| وضع العرض | 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 |
| وقت الاستجابة | 20آنسة | Fast motor protection |
| تثبيت | 35mm DIN rail or panel flush mounting | Cutout: 44-55-66مم, Outline: 55-66-77مم |
| Working Ambient | درجة حرارة: -35~85℃, رطوبة: ≤95% non-condensing | Suitable for harsh industrial conditions |
| Insulation Performance | Insulation resistance: ≥10MΩ@DC500V | آمنة وموثوقة |
| Withstand voltage: 2kV/50Hz for 1min between circuit and shell | ||
| رقم الطلب | EOCRPFZ-H1DZ7W | Official Schneider part number |
- Full Model List (EOCR-PFZ Series)
| نموذج | Current Rating | وظيفة | مزود الطاقة | Extra Feature |
| EOCRPFZ-H1DZ7W | 0.5~60A | أساسي + 1×4-20mA | 85~250VAC/DC | معيار |
| EOCRPFZ-H2DZ7W | 0.5~60A | أساسي + 2×4-20mA | 85~250VAC/DC | معيار |
| EOCRPFZ-WRDZ7W | 0.5~60A | أساسي + 1×4-20mA | 85~250VAC/DC | معيار |
| EOCRPFZ-WRDUH | 0.5~60A | أساسي + تواصل | 85~250VAC/DC | معيار |
| EOCRPFZ-C-WRDBWQ | 0.5~60A | أساسي + 1×4-20mA | 24VAC/DC | Wide range |
| EOCRPFZ-C-WRDBT | 0.5~60A | أساسي + 1×4-20mA | 24VAC/DC | Wide range |
| EOCRPFZ-H3DBW | 0.5~60A | أساسي + 3-channel output | 85~250VAC/DC | معيار |
| EOCRPFZ-WRDZ7WQ | 0.5~60A | أساسي + 1×4-20mA | 85~250VAC/DC | معزز |
- Cross-brand Replacement Comparison
| Schneider EOCRPFZ-H1DZ7W | ايه بي بي | سيمنز | اومرون | Feature Comparison |
| Intelligent motor protector | M101-P | 3RW55 | K8DS | شنايدر: 3 fault records, 20ms fast response |
| 0.5~60A | 0.1~63A | 0.1~63A | 0.1~63A | ايه بي بي: Superior communication performance |
| 1×4-20mA | 1×4-20mA | 1×4-20mA | 1×4-20mA | سيمنز: High PLC compatibility |
| الجهد واسعة | 24~240VAC/DC | 24~240VAC/DC | 24~240VAC/DC | اومرون: فعالة من حيث التكلفة |
- الأخطاء الشائعة & استكشاف الأخطاء وإصلاحها
| ظاهرة الخلل | شفرة | Root Cause | حل |
| Protector fails to start | – | Power cut-off, abnormal voltage | 1. تحقق من الأسلاك |
| 2. Measure supply voltage | |||
| 3. Verify DC polarity | |||
| تعثر كاذب | 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, loose wiring, 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 | |||
| فشل الاتصالات | – | الأسلاك الخاطئة, mismatched baud rate | 1. Check RS485 A/B connection |
| 2. Set 9600bps, 8ن1 | |||
| 3. Confirm 120惟 terminal resistor |
- Air Transport Compliance & الشهادات
6.1 الشهادات
م: Compliant with EU LVD and EMC directives
أول: Meets US safety standards
وكالة الفضاء الكندية: Conforms to Canadian safety specifications
بنفايات: تصميم صديق للبيئة خالٍ من الرصاص
6.2 Air Shipment Rules
Battery status: No built-in lithium battery or supercapacitor, classified as non-dangerous goods
التعبئة والتغليف: Standard industrial package against vibration damage
Documents: CE certificate, manual and packing list required
Notice: Avoid contact with sharp objects to prevent shell and insulation damage
- Application Cases
قضية 1: Fan Motor Protection in Steel Plant
طلب: 380V 55kW frequent-start fan motor with locked rotor risk
Matching: EOCRPFZ-H1DZ7W + 200:5 three-phase CT
جلسة: 1.2 times rated current overcurrent protection (الوقت العكسي); 3 times rated current locked rotor protection (0.5تأخير); 3s delay phase loss protection
Outcome: 3 bearing seizure motor burnout accidents avoided, خفض تكاليف الصيانة بنسبة 40%
قضية 2: Chemical Pump Monitoring System
طلب: 45kW explosion-proof chemical pump with remote current monitoring demand
Matching: EOCRPFZ-H1DZ7W + Modbus RTU module
جلسة: 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%
- إرشادات الاختيار
Quick Rules
- تصاعد: H=CT combined type, WR=direct measuring type
- حاضِر: 1=0.5~60A, 2=0.5~100A
- وظيفة: D=1-channel 4-20mA, H=2-channel, U=communication
- الجهد االكهربى: Z7=85~250VAC/DC, C=24VAC/DC
- إصدار: W=Standard, Q=Enhanced
Applicable Scenarios of EOCRPFZ-H1DZ7W
General Applications
- الزائد, خسارة المرحلة, 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
معالجة المياه: مضخة مياه, sewage pump, dosing pump, aeration fan
التدفئة والتهوية وتكييف الهواء: Centrifugal fan, axial fan, exhaust fan, cooling tower fan
Machinery Manufacturing: Conveyor, mixer, crusher, air compressor
Petrochemical: Process pump, stirring equipment, explosion-proof matched motor
مبنى & Metallurgy: Kiln fan, dust removal unit, conveying equipment
Building Power Distribution: Fire fan, water supply & drainage pump, central air conditioning motor
Power Adaptation Range
القياس المباشر: 0.5~60A, fits 0.25~30kW motors
Extended by external CT: Max 3600A, applicable to high-power motors
Non-recommended Scenarios
- 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
