Home > Products > Motor control and management system > WDH-31-580 low-voltage A.C motor controller overload protection relay
WDH-31-580 low-voltage A.C motor controller overload protection relay
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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 | ||
Working range | AC 100~415V | ||
Power consumption | ≤3VA | ||
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 |
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 |
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
SMT
AOI Test
Plug-In Mounting
Wave Soldering
Assembling
Inspection
Delivery time: 7~10days after sales confirmation
Transportation: By Air(DHL,TNT, Fedex etc)
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.
Contact Us
- Jiangsu Sfere Electric Co., Ltd.
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