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Shanghai Hanshi Electric Automation Equipment Co., Ltd
PFZ-WRDUH Schneider EOCR Communication Protector
NegotiableUpdate on 03/13
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Overview
PFZ-WRDUH Schneider EOCR communication protector $r $nEOCR-PFZ is the new generation electronic motor protector product of Schneider EOCR. It is a split type leakage protector designed for distribution cabinets and the power grid industry. Its main protection functions include overcurrent, undercurrent, phase loss, reverse phase, locked rotor, current imbalance, leakage, etc. It also has a 4-20mA current output function
Product Details
PFZ-WRDUH Schneider EOCR Communication Protector
EOCR-PFZ protection function
✔Overcurrent (timed limit: 0.2... 30 seconds, inverse time limit: 1... 30 class)
✔ Low current (OFF, 0.2... 30 seconds)
✔ Phase loss (OFF, within 3 seconds)
✔ Reverse (0.1... 0.3 seconds)
✔ Current imbalance (8 seconds)
✔ Stall (0.5 seconds after D-Time)
✔ Blocked rotation (0.1... 10 seconds)
✔ Grounding (0.05, 0.1... 10 seconds)
✔ 短路（0...20秒）
★ Two channel 4... 20mA analog output, current transmitter function
★ Modbu RS-485 communication function
Product Features of EOCR-PMZ
| Product Information |
| product scope | EOCR |
| Model Name | EOCR-PFZ motor protection relay |
| Protection type |
Overload protection, In>overcurrent setting Underload protection, In<undercurrent setting During operation, there is stalling, with In>1.5... 5 times the overcurrent setting phase loss protection Ground fault, Ig>Ground current setting Reverse phase protection Lock up during startup, In>2... 10 times overcurrent setting Unbalance protection, 5... 50% |
| Analog output range | 4...20 mA |
| Communication Port Protocol | Modbus RTU |
| [Us] Rated input voltage | 85...250 V AC/DC |
power frequency |
50...60 Hz |
| Protection and regulation range |
0.5...100 A 0.03...10 A， Turn off timed grounding fault powerflow 0.03... 1 A inverse time limit - ground fault current |
| Installation method |
35mm DIN rail panel mounting |
| Electrical/mechanical characteristics |
| Contact type and configuration | 1 NC+1 NO, OL ; 1 NO, GR ; 1 NO, SH |
| reset method |
Manual reset Automatic reset: 0.3... 1200 seconds Electrical reset: 0... 1 second |
| Time Setting |
Overcurrent action time: 0.2... 30 seconds (timed limit) Delay time at startup: 1... 200 seconds, off Undercurrent action time: 0.5... 30 seconds Ground fault action delay time during startup: 1... 10 seconds, off Overcurrent action time: 1... 30 levels (inverse time limit) Ground fault action time: 0.05, 0.1... 10 seconds (timed limit) Ground fault action time: 0.05... 10 levels (inverse time limit) |
| [Ue] Rated working voltage |
690 V AC 50... 60 Hz main circuit complies with CSA 690 V AC 50... 60 Hz main circuit complies with IEC 60947-4-1 600 V AC 50... 60 Hz main circuit complies with U |
| [Uimp] rated pulse withstand voltage |
6 kV complies with IEC 60947-4-1 |
| Relay power consumption | 3 W |
| display mode | stripDiagram and7-segment LED display |
| [Ith] Continuous current | 3A control circuit |
| Allow current |
250 V, 3A |
| wiring |
Control circuit cable: 2 x 1... 1.5 mm ², flexible cable with terminals - M3 Control circuit cable: 2 x 1... 1.5 mm ², flexible cable without terminals - M3 Control circuit cable: 1 x 1... 2.5 mm ², flexible cable with terminals - M3 Control circuit cable: 1 x 1... 2.5 mm ², flexible cable without terminals - M3 |
| tightening torque |
Control circuit: 0.8... 1.2 N · m, suitable for cables, diameter 4.7 mm Main circuit: 2.5 N · m, suitable for terminal clamps, diameter 11 mm |
PFZ-WRDUH Schneider EOCR Communication Protector
Overview of EOCR-PFZ
✔Higher measurement accuracy (1% level)
✔Built in dedicated MCU microcontroller unit
✔Protection functions: overcurrent, low current, phase loss, locked rotor, reverse, current imbalance, grounding, short circuit, and dual 4-20mA analog output
✔Modbus RS-485 communication function, supporting a maximum of 200 nodes
✔The protection current range of the main body is 0.5~100A, and the external CT can reach 6000A
✔Built in zero sequence current transformer ZCT, no external configuration required within 100A
✔Digital low-pass filtering function can prevent grounding protection misoperation
✔RTC clock can record fault time,
✔The current time characteristic has definite and inverse time limits that can be selected
✔digital display
♦ The three-phase main circuit current, short-circuit current, and grounding current are displayed in a 5-second cycle and can be displayed with a fixed phase
♦ Fault cause and current value display for easy troubleshooting
✔Three fault records, no data loss due to power outage
✔The running time setting can provide regular maintenance, such as replacing bearings, etc
✔Analog (4~20mA) signal output for centralized management of equipment
✔Ground fault (57-58) output contact status can be customized
✔Zero sequence current detection method can be used to measure the value of grounding leakage current and its operating characteristics can be selected
✔Reset direction: manual (RESET), power-off, and automatic reset
✔Power down modes N and R can be selected ★ Suitable for 20~400Hz frequency conversion environment
✔The terminals are detachable, and the terminal type and penetration type can be freely assembled
Product Description
EOCRPFZ-WRDZ7W current analog output motor protectorTechnical parameters and product characteristics
EOCRPFZ-WRDZ7W Model Table
Typical Wiring Diagram and Terminal Blocks for EOCRPFZ-WRDZ7W:
EOCRPFZ-WRDZ7W Order Code:
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