JR29(T)-Shanghai Wenba Electric Co., Ltd.

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JR29(T)

JR29(T)Series Thermal Relay

T series thermal overload relay is mainly suitable for A.C.electric power system with voltage up to 660V, current up to 500A, 50/60Hz. It is generally used for the protection of overload and phase-tacking in circuits with three-phasse induce motors and is offen made up electromagnetic starters with B series A.C. contactors. The product conforms to GB14048.4, IEC60947-4 stardonds.

Noter: T16 is manually reset automatic to the other.

Main technical Specifications

Type	Setting Range(A)	For Contactor
JR29-16 (T16)	0.11~0.16	B9 B16
	0.14~0.21
	0.19~0.29
	0.27~0.4
	0.35~0.52
	0.42~0.63
	0.55~0.83
	0.7~10.
	0.9~1.3
	1.1~1.5
	1.3~1.8
	1.5~2.1
	1.7~2.4
	2.1~3
	2.7~4
	3.4~4.5
	4~6
	5.2~7.5
	6.3~9
	7.5~11
	9~13
	12~17.6

Type	Setting Range(A)	For Contactor
JR29-25 (T25)	0.1~0.16	B25 B30
	0.16~0.25
	0.25~0.4
	0.4~0.63
	0.63~1
	1~1.4
	1.3~1.8
	1.7~2.4
	2.2~3.1
	2.8~4
	3.5~5
	4.5~6.5
	6~8.5
	7.5~11
	10~14
	13~19
	18~25
	24~32
	-
	-
	-
	-

Type	Setting Range(A)	For Contactor
JR29-45 (T45)	0.28~4	B37 B45
	0.35~0.52
	0.45~0.63
	0.55~0.83
	0.7~1
	0.86~1.3
	1.1~1.6
	1.4~2.1
	1.8~2.5
	2.2~3.3
	2.8~4
	3.2~5.2
	4.5~6.3
	5.5~8.3
	7~10
	8.6~13
	11~16
	14~21
	18~27
	25~35
	30~45
	-
	-
	-

Type	Setting Range(A)	For Contactor
JR29-85 (T85)	6~10	B65 B85
	8~14
	12~20
	17~29
	25~40
	35~55
	45~70
	60~100
JR29-105 (T105)	27~42	B105
	36~52
	45~63
	57~82
	70~105
	80~115
JR29-170 (T170)	90~130	B170
	100~160
	140~200
JR29-250 (T250)	100~160	B250
	160~250
	250~400
JR29-105370 (T370)	100~160	B370
	160~250
	250~400
	310~500

Motion characteristic

MOTION CHARACTERISTIC:THREE-PHASE BALANCE MOTION TIME

No	Times the setting current	Motion time			Start conidition	Ambient temperature
1	1.05	>2h			cold state	20±5℃
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

PHASE-LOSING MOTION CHARACTERISTIC

No	Times the setting current		Motion time	Start condition	Ambient temperature
	Any two phase	Another phase
1	1.0	0.9	>2h	cold state	20±5℃
2	1.15	0	<2h	heat state (Following the No.1 test)

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