Product Details

Specifications

JR20 thermal overload relay

Electronic Overload Relay Thermal Relay relayJR20 series thermal relay is suitable for the power system of AC 50/60Hz, main circuit rated voltage up to 660V, current up to 630A, used as protecting AC three-phase motor against overload and phase losing, and forming electromagnetic with starter CJ20 series AC contactor. It has functions of phase-losing protection temperature compensation, trip indication. It can manually and automatically get back. The product conforms to GB14048.4, IEC60947-4 standards.

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

3.Main Technical Specifications

Type	Number	5WSetting Range(A)	For Contactor
JR20-10L	1R	0.1-0.15	CJ20-10
	2R	0.15-0.23
	3R	0.23-0.35
	4R	0.35-0.53
	5R	0.53-0.8
	6R	0.8-1.2
	7R	1.2-1.8
	8R	1.8-2.6
	9R	2.6-3.8
	10R	3.2-4.8
	11R	4-6
	12R	5-7
	13R	6-8.4
	14R	7-10
	15R	8.6-11.6
JR20-16L	1S	3.6-5.4	CJ20 -10 -16
	2S	5.4-8
	3S	8-12
	4S	10-14
	5S	12-16
	6S	14-18
JR20-25L	1T	7.8-11.6	CJ20 -16 -25
	2T	11.6-17
	3T	17-25
	4T	21-29
JR20-63L	1U	16-24	CJ20 -40 -63
	2U	24-36
	3U	32-47
	4U	40-55
	5U	47-62
	6U	55-71
JR20-160L	1W	33-47	CJ20 -100 -160
	2W	47-63
	3W	63-84
	4W	74-98
	5W	85-115
	6W	100-130
	7W	115-150
	8W	130-170
	9W	144-176
JR20-250L	1X	130-195	CJ20 -250
JR20-250L	2X	167-250	CJ20 -250
JR20-400L	1Y	200-300	CJ20 -400
JR20-400L	2Y	267-400	CJ20 -400
JR20-630L	1Z	320-480	CJ20 -630
JR20-630L	2Z	420-630	CJ20 -630