Motors Under Current Protection Relay Black Shell 1 C/O For Trip 1 C/O For Alert
♦ Features
1 . Integrative structure or Separate structure
2 . Built-in LED and keypad afford a precise
3 . digital setting
4 . Three-phase monitoring of short-circuit, locked-rotor,overcurrent, undervurrent, phase loss, phase unbalance,overvoltage,undervoltage
5 . Earth fault (should couple with ZCT)
6 . Fault recording
7 . RS-485 communication port (optional)
8 . 4-20 mA analog output (optional) unbalance,overvoltage,undervoltage
9 . 2 C/O output contacts, one for trip,one for alert
Protection the short-circuit,Locked-rotor , Overcurrent ,Undercurrent ,Phase loss .Phase unbalance ,Phase unbalance ,Overvoltage ,Undervoltage ,Ground fault,In general used for Pump/fans/blows/motors/compressors
The function of the motor protector is to provide comprehensive protection and control of the motor. Overcurrent, undercurrent, phase failure, stall, short circuit, overvoltage, undervoltage, leakage current, three-phase unbalance, overheating, grounding, bearing wear, etc. occur in the motor. When the stator and rotor are eccentric, the aging of the winding can be alarmed or protected and controlled
♦ 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 |