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WDH-31-500 380V ac Circuit Breaker Overload Motor Protection Controller

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Product Description

Product Name: WDH-31-500 380V ac circuit breaker overload motor protection 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
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

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

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.

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Jiangsu Sfere Electric Co., Ltd.

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Product Categories

Current transformer(CT)	Din rail mounted power meter	Energy Management System and billing system	Intelligent capacitor
Motor control and management system	Multi-functional power meter	Panel mounted power meter	Power quality module(APF/SVG)
Transducer	Ungrouped	Wireless data transmission and gateway

WDH-31-500 380V ac Circuit Breaker Overload Motor Protection Controller

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Product Name: WDH-31-500 380V ac circuit breaker overload motor protection controller

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