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| Categories | Electronic Overload Relay | 
|---|---|
| Brand Name: | Ginri | 
| Model Number: | WDB-1FMT | 
| Certification: | CE,CCC | 
| Place of Origin: | China | 
| MOQ: | 100Pcs | 
| Payment Terms: | L/C, T/T, Western Union,Paypal | 
| Supply Ability: | 50000Pcs per month | 
| Delivery Time: | 1-30 days according order quantity | 
| Packaging Details: | Packed in cartons | 
| Protective Functions: | Phase loss ,phase unbalance | 
| frequency: | 50/60Hz | 
| MODBUS: | RS-485 protocol | 
| Indicators: | LED display,2LEDs indicating trip, alert | 
| Fault records: | last 10 times | 
| Dielectric strength: | >2kVAC 1min | 
Phase loss Electronic Overload Relay Motor protection relays WDB-1FMT
Features
■ Separate structure, LED part panel mounted and CT part screw
fixing
■ 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
■ Powered by the measuring circuit
■ 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
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 | 

OUR SERVICE
1. Factory sale
2. Quick response
3. 24 hours phone call is available, feel free to contact us.
4. All goods produced by ourselves, we provide one-stop services
from designing, printing to processing. Customers can provide the
design according to your request and samples making, also we can
advise how to make the products according to customers' target
prices.
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