United Petroleum Services FZE

Relay>>JRS1 Series Thermal Relay

 

1.Application

JRS1 series thermal relay is suitable for using in the circuits rated voltage up to 660V, ratedcurrent 80A, AC 50/60Hz, for over-current protection of AC motor. The relay has the differentialmechanism and temperature compensation and can plug in CJX2 series AC contactor. Theproduct conforms to IEC60947-4-1 stardand.

 

2. Motion Characteristic: Three-phase Balance Motion Time


No
Times of the setting current
Motion time
Start condition
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 of the setting current
Motion time
Start condition
Ambient temperature
Any 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
Number
Setting range (A)
For contactor
JRS1
09301
0.1~0.16
CJX2-09~25
09302
0.16~0.25
CJX2-09~25
09303
0.25~0.4
CJX2-09~25
09304
0.4~0.63
CJX2-09~25
09305
0.63~1
CJX2-09~25
09306
1~1.6
CJX2-09~25
09307
1.6~2.5
CJX2-09~25
09308
2.5~4
CJX2-09~25
09310
4~6
CJX2-09~25
09312
5.5~8
CJX2-09~25
09314
7~10
CJX2-09~25
12316
10~13
CJX2-09~25
16321
13~18
CJX2-09~25
25322
18~25
CJX2-09~25
40353
23~32
CJX2-09~25
40355
30~40
CJX2-40, 50, 63
63357
38~50
CJX2-40, 50, 63
63359
48~57
CJX2-40, 50, 63
63361
57~66
CJX2-40, 50, 63
80363
63~80
CJX2-40, 50, 63

 

5. Outline and Mounting Dimension