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WDH-31-500 380V ac protection circuit breaker/thermal switch motor protection

category： Circuit Breakers

reference price：￥$90.00 - $290.00

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Jiangsu Sfere Electric Co., Ltd.

Ms. Liu
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Product details Company introduction
Parameter information
Product Description

Product Name:WDH-31-500 380V ac protection circuit breaker/thermal switch stepper motor controller
WDH-31-500 is a new generation for the thermal relay, time replay,transducer and so on. It simplized the motor protection mode, brings a wider protection range and enhance the protection accuracy, turns the instrument more reliable.

Technical Parameter
Product Name
WDH-31-500 380V ac protection circuit breaker/thermal switch stepper motor controller
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
Optional CT
                THREE-PHASE CT
EXTERNAL CT
RESIDUAL CURRENT CT
Model
SHI01-I/SHI30-I/SHI200-I
      SHI3000-I
      SHI-ZT40
       SHI-ZT30
        SHI-ZT100
Diameter(mm)
            20
              30
         42X30
             31
              100
Dimension(mm)
     93X45X96
     185X36X72
    75X44X102
      75X44X98
     185X44X190
Monitoring Solution

WDH-31-500 can be used as single unit but also multi-devices running which control by an advanced monitoring software SFERE3000. SFERE3000 is a comunication management software which collect the data from the meters and upload them to the PC or Mobile phone tansmitted by the concentrator. It provides high performance of quality management such as power monitoring, error alam and long-range control to the factory, residencial area and commercial building etc. SFERE3000 is a patent product which developed by Jiangsu Sfere Electric Co., Ltd and the company owns the intellectrual property of it. 

Production Process

                             SMT                                             AOI Test                                  Plug-In Mounting

                Wave Soldering                                  Assembling                                     Inspection

Packing & Delivery
FAQ

Q: Are you trading company or manufacturer ?
A: We are factory located in Jiangyin Jiangsu Province.


Q: Does your company provide customized manufacturing?

A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.


Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.

Q: Do you provide samples ? Is it free or extra ?
A: You need to pay for the sample and cover the freight as well.

Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.