Wenzhou Ginri Power Automation Co., Ltd.
Wenzhou Ginri Power Automation Co., Ltd.
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Phase Failure Motor Protection Relay For Refrigeration Units LED Display
♦ Features
Integrative structure or Separate structure, Built-in LED and keypad afford a precise,digital setting, Three-phase monitoring of short-circuit, locked-rotor,overcurrent, undervurrent, phase loss, phase unbalance,overvoltage,undervoltage, Earth fault (should couple with ZCT) ,Fault recording ,RS-485 communication port (optional) , 4-20 mA analog output (optional) unbalance,overvoltage,undervoltage , 2 C/O output contacts, one for trip,one for alert
♦ Protective Functions Typical Applications
-- Short-circuit Pumps
-- Locked-rotor Fans
-- Overcurrent Blowers
-- Undercurrent Motors
-- Phase loss Compressors
-- Phase unbalance
-- Overvoltage
-- Undervoltage
-- Ground fault
♦ Technical data
| Type | WDZ-1Z | WDZ-1F | WDZ-1F2 |
| Rated voltage | 220VAC,380VAC ,50/60Hz | ||
| Current range | 1-10A,5-50A,10-100A,20-200A,80-400A,400-600A,600-800A | ||
| Protective functions | short-circuit, locked-rotor, overcurrent, undervurrent, phase loss, phase unbalance,overvoltage,undervoltage, earth fault | ||
| Optional functions | RS-485 communication port | ||
| Indicators | LED indicating voltage,current,operation status | ||
| Output contacts | 1 C/O for trip,1 C/O for alert | ||
| Contact capacity | 3A 380VAC | ||
| Dimensions (H x W x D) | 118×54×135mm | 101×54×77mm(LED part) | 101×54×77mm(LED part) |
| Mounting | screw fixing | LED part panel mounted and CT part screw fixing | LED part panel mounted |
