LRD, 3-pole Thermal Overload Relays

■​ LR2D and LRD series, 3-pole thermal overload relays are designed to protect AC circuits and motors against overloads, phase failure, long starting times and prolongs stalling of the motors;
■​ The relays have differential mechanism and temperature compensation and can plug in LC1D series AC contactor;
■​ The product conforms to IEC60947-4-1 stardand;
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Data Sheet
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Technical Data of LR2D/LRD, 3-pole Thermal Overload Relays, Tesys Type

Relay type

LRD01-16

LR2D13●●

LRD21-35

LR2D22●●

LRD33●●

LR2D33●●

LRD436●

Tripping class

10

20

10

20

10

20

10

Ue

690V

Uimp

6000V

Range

0.1 to 13A

12 to 38A

17 to 104A

80-140A

Compensation

-20 to +60

-30 to +60

-30 to +60

Threshold

1.14±0.06In

Selection table of LRD, 3-pole Thermal Overload Relays, Tesys Type

Reference

For use with

Setting range

Fuses to be used with selective relays

aM(A)

gG(A)

BS88(A)

LRD06

LC1D09…D32

1.00…1.60A

2

4

6

LRD07

1.60…2.50A

4

6

10

LRD08

2.50…4.00A

6

10

16

LRD10

4.00…6.00A

8

16

16

LRD12

5.50…8.00A

12

20

20

LRD14

7.00…10.0A

12

20

20

LRD16

9.00…13.0A

16

25

25

LRD21

12.0…18.0A

20

35

32

LRD22

16.0…24.0A

25

50

50

LRD32

23.0…32.0A

40

63

63

LRD35

30.0…38.0A

40

80

80

LRD3322

LC1D40…D95

17.0…25.0A

25

50

50

LRD3353

23.0…32.0A

40

63

63

LRD3355

30.0…40.0A

40

100

80

LRD3357

37.0…50.0A

63

100

100

LRD3359

48.0…65.0A

63

100

100

LRD3361

55.0…70.0A

80

125

125

LRD3363

63.0…80.0A

80

125

125

LRD3365

80.0…104.0A

100

100

160

LRD4365

LC1D115…D150

80.0…104.0A

125

200

160

LRD4367

95.0…120.0A

125

200

200

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