Motor control and management system, description about Motor Overload Relay 3 Phase Sequence Loss Voltage Current Pump Blower Protector Protection Relay on China Suppliers Mobile

Product Details

Product Description

Elecnova 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.

Product Name	Motor Overload Relay 3 Phase Sequence Loss Voltage Current Pump Blower Protector 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
Safe Power Supply		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

Product Components

--Basic module

--Display module

--Residual CT(optional)

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

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

Model Size

Communication Protocol	Control Mode	Current Code	Main Voltage	Optional Code	Digital Code
1:Profibus-DP	A:Direct start	1A 100A	AC 380V	L:Residual current	K1:Dry contact input
2:Modbus-RTU	B:Bi-direction strat	2A 250A	AC 660V	M1:Analog input	K2:Wet contact input
3:2 Modbus-RTU	C:Double speed start	6.3A 500A	AC 100V	T:Temperature
4:2 Profibus-DP	D:Resistor divider starting	25A 800A		V:Low voltage restart
	E:Y/start
	H:Autotransformer start
	K:Protection mode
	R:Start with soft-start
	P :Start with inverter

Current	Motor's Rated Current	SHI-I CT Code
1A	0.2A~1A	SHI01-II,Φ18mm
2A	1A~2A	SHI02-II,Φ18mm
6.3A	2A~6.3A	SHI06-II,Φ18mm
25A	6.3A~25A	SHI25-II,Φ18mm
100A	25A~100A	SHI100-II,Φ18mm
250A	100A~250A	SHI250-II
500A	250A~500A	SHI05-II,Φ18mm +3 SHI-ZT40(500A:5A)
800A	500A~800A	SHI05-II,Φ18mm +3 SHI-ZT40(500A:5A)

Optional CT

	EXTERNAL CT	RESIDUAL CURRENT CT
Model	SHI-ZT40	SHI-ZT30	SHI-ZT100
Diameter(mm)	42 X 30	31	100
Dimension(mm)	75 X 44 X 102	75 X 44 X 98	185 X 44 X 190

Application

Elecnova WDH-31-500 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

Packing Details: Each on in inner box with air bag, 24pcs in a carton box

Delivery time: 7~10days after sales confirmation

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