Wenzhou Ginri Power Automation Co., Ltd.
Wenzhou Ginri Power Automation Co., Ltd.
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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 |
