JR26 thermal relay is suitable for overload protection of AC motor operated on 8-hours dutyor uninterupted duty. The overload protected AC motor with frequency 50Hz, voltage up to660V, current up to 30A. Several functions provided by these relays are: phase-failure protection,temperature compensation. The product 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.Specification
Type
Setting range (A)
JR26-25
2.4~3.8
3.8~6
6~9.3
8.9~13.5
13.5~20
17.4~24
22~30
LR7 Series Thermal Relay
1.Application
LR7 thermal relay is suitable for overload protection of AC motor operated on 8-hours duty oruninterupted duty. The overload protected AC motor with frequency 50Hz, voltage up to 660V,current up to 38A. Several functions provided by these relays are: phase-failure protection,temperature compensation. The product conforms to IEC60947-4-1 stardand.
2.Motion Characteristic: Three-phase Balance Motion Time
NAME
thermal relay
