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Help CenterThree-phase Adjustable Overcurrent and Undercurrent Relay WDB-1F2
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Three-phase Adjustable Overcurrent and Undercurrent Relay
WDB-1F2
♦ Features
-- Separate structure, LED part panel mounted and CT part DIN-Rail mounting
-- 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)
-- 2 C/O output contacts, one for trip,one for alert
♦ Protective Functions
-- Short-circuit
-- Locked-rotor
-- Overcurrent
-- Undercurrent
-- Phase loss
-- Phase unbalance
-- Overvoltage
-- Undervoltage
-- Earth fault
♦ Typical Applications
• Pumps • Fans
• Blowers • Motors
• Compressors
♦ Technical data
Type |
WDB-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 4-20 mA analog output |
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) |
101×54×77mm(LED part) |
Mounting |
panel mounted and DIN rai |
* Please contact us for further information.
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