Elecnova Protective Motor Relay LCD Display Protection Relay with RS485

• Structure: Combination
• Signal: Continuous
• Certification: CCC, CE, UL
• Condition: New
• Customized: Customized
• Trademark: ELECNOVA
• Model NO.: WDH-31-200
• Origin: China
• Production Capacity: 30000PCS/Per Month

Product Description

Product Name: Elecnova Protective Motor Relay LCD Display Protection Relay with RS485

Product Description

Elecnova WDH-31-200 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 Components

--Controller

--CT:SHI-I

--Residual CT(optional)

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

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

Technical Specifications

 

Product Name	Elecnova WDH-31-200 9 types protection multi-function intelligent motor protection 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	-20ºC~+60ºC
	Relative humidity	≤93%RH
	Storage temperature	-25ºC~70ºC
	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

Function

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

Application

 

*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

 

Company Profile

 

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.