Thermal Overload Relay

LR2-D

Model Reference

LR2-D13LR2-D13
LR2-D23LR2-D23
LR2-D33LR2-D33
    Model Reference

Application

  • LR2-D series of thermal relay can be used in the circuit of 50Hz or 60Hz,rated insulation voltage 660V,rated current 0.1 ~ 0.93A for protecting the phase break when the electric motor is overload.
  • The relay has different mechanism and temperature compensation & can be pluged in LC1-D series AC contact. It is the most advanced thermal relay in the ninneties in the world.

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

Phase-losing Motion Characteristic

No Times of the setting current Motion time Start condition Ambient temperature
Any two phases Another phase
1 1.0 0.9 >2h Cold state 20±5oC
2 1.15 0 <2h Heat state(Following the No.1 test)

Technical Data

Type Number Setting range (A) Applied Contactor
LR2-D13 1301 0.1~0.16 LC1-D09~32
1302 0.16~0.25 LC1-D09~32
1303 0.25~0.4 LC1-D09~32
1304 0.4~0.63 LC1-D09~32
1305 0.63~1 LC1-D09~32
1306 1~1.6 LC1-D09~32
1307 1.6~2.5 LC1-D09~32
1308 2.5~4 LC1-D09~32
1310 4~6 LC1-D09~32
1312 5.5~8 LC1-D09~32
1314 7~10 LC1-D09~32
1316 9~13 LC1-D09~32
1321 12~18 LC1-D09~32
1322 17~25 LC1-D32
LR2-D23 2353 23~32 LC1-D09~32
2355 30~40 LC1-D09~32
LR2-D33 3322 17~25 LC1-D09~32
3353 23~32 LC1-D09~32
3355 30~40 LC1-D09~32
3357 37~50 LC1-D09~32
3359 48~65 LC1-D09~32
3361 55~70 LC1-D09~32
3363 63~80 LC1-D09~32
3365 80~93 LC1-D95
LR2-D43 4365 80~104 LC1-D95
4367 95~120 LC1-D95~115
4369 110~140 LC1-D115
5360 90~150 LC1-D150

Dimensioned

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LR2-D13
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LR2-D23
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LR2-D33

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