JRS2(3UA) Series Thermal Relay

JRS2 (3UA) series thermal relay (bimetallic thermal overload relay)is suitable for AC 50 / 60Hz, voltage to 660-1000v, current to 630A long-term work or intermittent long-term work. thermal relay is generally used as motor thermal overload protection, with open phase protection, temperature compensation, trip indication function, automatic and manual reset, and can be connected with contactor.聽 It can also be installed independently.

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2. Motion Characteristic: Three-phase Balance Motion Time

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

3. Phase-losing Motion Characteristic

NoTimes of the setting currentMotion timeStart conditionAmbienttemperature
Any two phasesAnother phase
11.00.9>2hCold state20卤5oC
21.150<2hHeat state(Following the No.1 test)
TypeNumberSetting range(A)For contactorTypeNumberSetting range(A)For contactor
JRS2-12.5/Z0A0.1~0.16CJX1-09
CJX1-12
JRS2-25/Z0A0.1~0.16CJX1-16
CJX1-22
0C0.16~0.250C0.16~0.25
0E0.25~0.40E0.25~0.4
0G0.4~0.630G0.4~0.63
0J0.63~10J0.63~1
0K0.8~1.250K0.8~1.25
1A1~1.61A1~1.6
1B1.25~21B1.25~2
1C1.6~2.51C1.6~2.5
1D2~3.21D2~3.2
1E2.5~41E2.5~4
1F3.2~51F3.2~5
1G4~6.31G4~6.3
1H5~81H5~8
1J6.3~101J6.3~10
1K8~12.51K8~12.5
2S10~14.52A10~16
2B12.5~20
2C16~25
TypeNumberSetting range(A)For contactorTypeNumberSetting range(A)For contactor
JRS2-32/Z1G4~6.3CJX1-32JRS2-63/F0K0.8~1.25CJX1-09~63
1J6.3~101A1~1.6
2A10~161B1.25~2
2B12.5~201C1.6~2.5
2C16~251D2~3.2
2D20~321E2.5~4
2Q25~361F3.2~5
JRS2-45/Z0A0.1~0.16CJX1-32
CJX1-38
1G4~6.3
0C0.16~0.251H5~8
0E0.25~0.41J6.3~10
0G0.4~0.631K8~12.5
0J0.63~12A10~16
0K0.8~1.252B12.5~20
1A1~1.62C16~25
1B1.25~22D20~32
1C1.6~2.52E25~40
1D2~3.22M32~45
1E2.5~42T40~57
1F3.2~52P50~63
1G4~6.3JRS2-1352H55~80CJX1-85
CJX1-110
1H5~82W63~90
1J6.3~102X80~110
1K8~12.53H90~120
2A10~163J110~135
2B12.5~20JRS2-1502H55~80CJX1-140
2C16~252W63~90
2D20~322X80~110
2Q25~363H90~120
2R32~403J110~135
8M36~453K120~150
JRS2-80/Z1G4~6.3CJX1-45
CJX1-63
CJX1-75
CJX1-85
JRS2-180/F2H55~80CJX1-170CJX1-205
8A11~172W63~90
2B12.5~202X80~110
2C16~253H90~120
2D20~323J110~135
2E25~403K120~150
2F32~503L135~160
2T40~573M150~180
2P50~63JRS2-4002K80~125CJX1-110~400
2V57~703B125~200
2U63~803C160~250
8W70~883D200~320
JRS2-63/F0A0.1~0.16CJX1-09~633E250~400
0C0.16~0.25JRS2-6303FCJX1-400
0E0.25~0.43G
0G0.4~0.63
0J0.63~1

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