Digital Motor Protection Relays WDB-1FMT Over Current Overload Modules With CT AC220V 10-100A
Features
1. Separate structure, LED part panel mounted and CT part screw fixing
2. Built-in LED and keypad afford a precise,digital setting
3. Three-phase monitoring of short-circuit, locked-rotor,overcurrent, undervurrent, phase loss, phase unbalance,overvoltage,undervoltage
4. Powered by the measuring circuit
5. Earth fault (should couple with ZCT)
6. Fault recording
7. RS-485 communication port (optional)
8. 4-20 mA analog output (optional)
9. 2 C/O output contacts, one for trip,one for alert
Applications
■ Pumps
■ Fans
■ Refrigeration Units
■ Blowers
■ Motors
■ Compressors
■ Lifts,Elevators
■ Cranes
■ Mining excavators and conveyors
Technical data
| Power supply voltage |
220VAC,380VAC |
| Operating voltage range |
220VAC:85-264V,380VAC:200-500V |
| Operating voltage frequency |
50/60Hz |
| Operating 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 |
| RS-485 protocol |
Modbus |
| Indicators |
LED display,2LEDs indicating trip, alert |
| Output type |
1 C/O for trip,1 C/O for alert |
| Contact capacity |
3A 380VAC/30VDC (resistive load) |
| Fault records |
last 10 times |
| Degree of protection |
IP 20 |
| Working conditions |
-25 ~65 , 85%RH,non-condensing |
| Mechanical durability |
1000000 cycles |
| Dielectric strength |
>2kVAC 1min |
| Weight |
680g |
| Dimensions (H x W x D) |
WDB-1F/1F2: 101X54X77mm(LED part) |
| Mounting |
WDB-1F: panel mounted and screw fixing |
Product Tags:
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Digital Motor Protection Relays WDB -1FMT Over Current Overload Modules Images
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