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WDH-31-580 Low-voltage A.C Motor Controller Overload Protection Relay

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Negotiable MOQ: 1 set (Price negotiable depending on order volume and customization)
Key Specifications
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Business Type:
Manufacturer
Year Established:
2010
Annual Export Value:
Above US$100 Million
Contact Supplier Request Quote Chat Now
Jiangsu Sfere Electric Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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Product Description

WDH-31-580 low-voltage A.C motor controller overload protection relay is applied to the motor applications with the rated frequency up to 50 Hz, rated voltage up to 690 VAC and rated current up to 800 A. The product has such functions as monitoring, controlling, protection and communication so as to provide the excellent protection for motors.

Product Components

--Basic module

--Display module

--Residual CT(optional)

--External CT(optional):SHI-ZT40,

5P10:500A/5A,800A/rresponding conteoller rated current of 5A

Product Name
WDH-31-580 low-voltage A.C motor controller overload protection relay

System
Rated voltage of motor 
AC 380V or AC 660V,50Hz
Rated current of motor
0.1A~800A
Insulation resistor
≥100MΩ

Safe Power Supply
Working range
AC 100~415V
Power consumption
≤3VA


Environment Condition
Operating temperature
-20℃~+60℃
Relative humidity
≤93%RH
Storage temperature
-25℃~70℃
IP degree
Front:IP64,Rear:IP20


Protection Accuracy
Current/voltage
±1% of setting value
Thermal capacity
±1% of setting value
Delayed acting time
When delayed acting value  <2s:±100ms
When delayed acting value   ≥ 2s:±5%
Control Relay
Contact capacity
AC 250V/5A
Signal Relay
Contact capacity
AC 250V/5A
Analog Output
Mode
DC 4~20mA,RL≤350Ω
Insulation
≥2kVAC
Parameters
     Control mode
         Protection
        Measurement
        Management
   Communication
Direct start
Start timeout
Voltage
24 trip records
Modbus-RTU
Bi-direction start
Over load
Current
16 alarm records
Profibus-DP
Double speed start
Under load
Power 
16 on/off records
Modbus-TCP
Y-D start
Stall 
Power factor
16 start records
Protection mode
Jam
Frequency
16 stop records
Current unbalance
Energy
16 reset records
Phase loss
Thermistor
Fault wave form record
External fault
Unbalance
Present staring time
Over voltage
 Leakage current
Present staring time
Low voltage
Temperature
Total running time
Under power
Insulation resistance
Total stop time
Sequence
Max. current at starting
Over temperature
Residual current
tE time
Application

Elecnova WDH-31-580 is a new generation controllor to replace the thermal relay, time relay, transducer etc. It simplized the way of motor protection, provides wider range , higher accuracy and reliable industrial control to our customers. It's makes the user more easy to eliminate the error and decrease lost as well.


Application Occasion

*Low Voltage three phase AC motor
*MCC cabinet or motor independent control cabinet
*Reversing and Reduced Voltage
*Advanced automation or control(such as conveyor system or well recovery pumps)
*Fire pumps and fans

Control circuit
Production Process

                              SMT

                           AOI Test

                   Plug-In Mounting

                       Wave Soldering

                          Assembling

                            Inspection

Packing & Delivery

Delivery time: 7~10days after sales confirmation

Transportation: By Air(DHL,TNT, Fedex etc)

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory in Jiangyin, Jiangsu Province.

Q: How long is your delivery time?

A: 7~10days for regular order, OEM/ODM projects should be negotiated by the both parties.

Q: Do you provide samples ? is it free or extra ?

A:  Sample is available but it is not free.

Q: What is your terms of payment ?

A: Order amount ≤$3000, 100% before delivery, order amount ≥$3000, 30% as deposit, 70% before delivery.

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Jiangsu Sfere Electric Co., Ltd.
Business Type
Manufacturer
Year Established
2010
Annual Export Value
Above US$100 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe
Contact Supplier Request Quote Chat Now

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