JR56 Series Thermal Relay

JR56 Series Thermal Relay 1.Rated Voltage:up to 660V 2.Rated Current: 0.3-95A . 3.Standard:IEC60947-4-1

JR56 Series Thermal Relay

1.Application JR56 series thermal relay is used in the circuit of 50/60Hz, rated insulation voltage 660V,rated current 0.3-95A for protecting the phase break when the electric motor is overloaded. Therelay has different mechanism and temperature compensation. It can be plugged in CJX3 seriesAC contactor. The product conforms to IEC60947-4-1.2.Motion Characteristic: Three-phase Balance Motion Time

No Times of the setting current Motion time  Start conidition Ambient temperature

1	1.05	>2h			Cold state	20±5oC
2	1.2	<2h			Heat state (Following the No.1 test)
3	1.5	<4min
4	7.2	10A	2s<Tp≤10s	≤63A	Cold state
		10	4s<Tp≤10s	>63A

3.Phase-losing Motion Characteristic

No Times the setting current Motion time Start condition Ambient temperatureAny two phases Another phase

1	1.0	0.9	>2h	Cold state	20±5oC
2	1.15	0	<2h	Heat state(Following the No.1 test)

4.Specification

Type Setting range (A) For contactor

JR56-20	0.3~0.5	CJX3-10CJX3-11CJX3-12CJX3-16CJX3-18CJX3-19CJX3-25
	0.6~1
	1~1.6
	1.5~2.5
	2~3
	3~5
	4~6
	4.8~8

Type Setting range (A) For contactor

JR56-20	7.5~12
	12~18
	20~28
JR56-63	24~34	CJX3-35CJX3-50CJX3-65CJX3-80
	25~40
	28~62
	48~80
	60~95

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JR56 Series Thermal Relay