Thermal overload relays

 

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JR29(T) series thermal overload relay

JR29 (T)Model ReferenceT25T45T370ApplicationJR29(T) series thermal overload relay is mainly suitable for A.C.electric power system with volt-age up to 660V, current up to 500A, 50/60Hz. It is generally used for the protection of overloadand phase-lacking in circuits with three-phase induce motors an
Product Details

JR29 (T)

Model Reference

T25T25

T45T45

T37T370

Application

Motion Characteristic: Three-phase Balance Motion Time

NoTimes of the setting currentMotion timeStart conditionAmbient temperature
11.05>2hCold state20±5oC
21.2<2hHeat state (Following the No.1 test)
31.5<4min
47.210A2s<Tp≤10s≤63ACold state
104s<Tp≤10s>63A

Phase-losing Motion Characteristic

NoTimes of the setting currentMotion timeStart conditionAmbient temperature
Any two phasesAnother phase
11.00.9>2hCold state20±5oC
21.150<2hHeat state(Following the No.1 test)

Technical Data

TypeSetting Range(A)Applied Contactor
JR29-16
(T16)
0.11~0.16B9
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
TypeSetting Range(A)Applied Contactor
JR29-25
(T25)
0.1~0.16B25
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
-
-
-
-
TypeSetting Range(A)Applied Contactor
JR29-45
(T45)
0.28~4B37
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
-
-
-
TypeSetting Range(A)Applied Contactor
JR29-85
(T85)
6~10B65
B85
8~14
12~20
17~29
25~40
35~55
45~70
60~100
JR29-105
(T105)
27~42B105
36~52
45~63
57~82
70~105
80~115
JR29-170
(T170)
90~130B170
100~160
140~200
JR29-250
(T250)
100~160B250
160~250
250~400
JR29-370
(T370)
100~160B370
160~250
250~400
310~500

Dimensioned

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T16

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T25

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T45

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T85

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T105

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T170

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T250

DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned
DimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensionedDimensioned

T370


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