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JR28(LR2)
JR28(LR2) series thermal relay

LR2-D series thermal relay is suitable for using in the circuits rated voltage up to 660V, rated current 93A AC 50Hz or 60Hz, for over-voltage protection of A.C.motor. The relay has the differential mechamism and temperature compensation and can plug is CJX2(LC1-D)series A.C.contactor.


Main technical Specifications
Type Number 3359Setting Range(A) 3361 3363 For Contactor

JR28-25
LR2D13

 1301 0.1~0.16

D09~D32

1302

 0.16~0.25 D09~D32
1303 0.25~0.4 D09~D32
1304 0.4~0.63 D09~D32
1305 0.63~1 D09~D32
1306 1~1.6 D09~D32
1307 1.6~2.5 D09~D32
1308 2.5~4 D09~D32
1310 4~6 D12~D32
1312 5.5~8 D18~D32
1314 7~10 D25~D32
1316 9~13 D25~D32
1321 12~18 D32
1322 17~25 D25~D32
JR28-36
LR2D-23		 2353 23~32 D25~D32
2355 30~40 D40~D95
JR28-93
LR2D33		 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


Motion characteristic

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