JRS2(3UA) Series thermal overload relay is suitable
for A.C.50Hz., voltage up to 600-1000V and current up
125~630A, general AC motor of long or discon tinuous
long operation, used as overload protection and has
the function of breaking phase protection, temperature
compe, and has the function of breaking phase protection,
temperature compe, and trip indication, It can automatically
and passively get back, It can be fixed with contactor
together, also be independtly fixed.
|
Item
|
No.
|
Times the setting current
|
Release time
|
Starting condition
|
|
Overload protection
|
1
|
1.05
|
Do not move within 2h
|
Cold state
|
|
2
|
1.2
|
< 2h
|
After No.1 test
|
|
3
|
1.5
|
< 2min
|
After No.1 test
|
|
4
|
7.2
|
2S < Tp ≤10s
|
Cold state
|
|
Loss of phase operating
|
5
|
1
|
0.9
|
Do not move within 2h
|
Cold state
|
|
6
|
1.15
|
0
|
< 2h
|
After No.1 test
|
