JR28 series thermal overload relay are suitable
for overload and phase-failure protection of AC
motors with frequency of 50/60Hz, voltage up to
690V, current up to 0.1-150A under 8-hours duty
or uninterrupted duty. Functions provided by
these relays, are phase- failure protection,
ON/OFF indication,temperature compensation,
and manual/automatic reset.
Applicable Standards: National Standard: GB
14048. International Standard: IEC 60947-4-1.
The relays can be mounted onto contactors
or installed as single units.
|
Type
|
Number
|
Setting Range(A)
|
Contactors insert
|
|
JR28 (LR2)
|
2353
|
23~32
|
D25~D32
|
|
2355
|
30~40
|
D25~D32
|
|
3322
|
17~25
|
D40~D95
|
|
3353
|
23~32
|
D40~D95
|
|
3355
|
30~40
|
D40~D95
|
|
3357
|
37~50
|
D50~D95
|
|
3359
|
48~65
|
D50~D95
|
|
3361
|
55~70
|
D65~D95
|
|
3363
|
63~80
|
D80~D95
|
|
3365
|
80~93
|
D95
|