United Petroleum Services FZE

Relay>>JRS16 Series Thermal Relay

 

1.Application

JRS16 series thermal relay is suitable for AC 50Hz or 60Hz, main circuit rated voltage up to 660V, current up to 160A, used as protecting AC three-phase motor against overload, and has the functions of breaking phase protection, the manual opreated motion current, signal output, temperture compensation. It can antomatically and manually get back, too. The product conforms to GB14048.4, IEC60947-4 stardand.

 

2.Main Technical Specifications

 

Type
JRS16-20
JRS16-32
JRS16-63
JRS16-160
Setting Range(A)
0.25~0.35
10~16
14~22
40~63
0.32~0.5
14~22
20~32
53~85
0.45~0.72
20~32
28~45
75~120
0.68~1.1
40~63
100~160
1~1.6
1.5~2.4
2.2~3.5
3.2~5
4.5~7.2
6.8~11
10~16
14~22

 

3. 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±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

 

4.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±5ºC
2
1.15
0
<2h
heat state
(Following the No.1 test)

 

5. Outline and Mounting Dimension

JRS16-20

JRS16-63

JRS16-160