JD-8 Motor Protector

Product category:: Protection Relay
Product code:: P-525
Model:

Function & Use (Application Scenarios)

Relays, protective relays are mainly used in AC power systems with a frequency of 50Hz and an rated insulation voltage of 690V or less to protect low-voltage three-phase AC induction motors against overload, phase failure, and other faults. The protector is usually used with the contactor in the AC motor circuit.

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Product highlights

Overload protection reliable
Engineering Application Compatibility
Stable and reliable operation
Easy system integration

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Main Product Parameters

CategoryRelay Protection and Automation DevicesSecondary CategoryProtective Relay

Product details

Function and Application

The JD-8 Motor Protector is mainly used in power systems with an AC frequency of 50Hz and a rated insulation voltage of 690V or below to protect low-voltage three-phase AC induction motors against overload, phase failure, and other faults. The protector is usually used in conjunction with contactors in the AC motor circuit. Compliance standards: GB/T14048.4, IEC60947-4-1.

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
4.1 Main Circuit: Rated Insulation Voltage AC690V, Rated Frequency 50Hz.	Model	JD-8
	Set Current Range (A)	0.5-5
		2-20
		20-80
		32-80
		64-160
	Motor Power Suitable (kW)	0.25-25
		1-10
		10-40
		16-40
		32-80
4.2 Auxiliary Circuit: Rated Insulation Voltage AC380V, Rated Frequency 50Hz.	Usage Category	AC-15
	Rated Operating Voltage (V)	415
	Rated Operating Current (A)	0.25A
	Agreed Heating Current (A)	0.25A

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