Schneider LRD21,  Thermal overload relay, TeSys LRD, 23...32 A, class 10A
Schneider LRD21,  Thermal overload relay, TeSys LRD, 23...32 A, class 10A Schneider LRD21,  Thermal overload relay, TeSys LRD, 23...32 A, class 10A Schneider LRD21,  Thermal overload relay, TeSys LRD, 23...32 A, class 10A Schneider LRD21,  Thermal overload relay, TeSys LRD, 23...32 A, class 10A

Schneider LRD21, Thermal overload relay, TeSys LRD, 23...32 A, class 10A

In stock
SKU
LRD21
Special Price ₹1,300.00 Regular Price ₹3,250.00
(18% GST Extra)
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  • TeSys LRD thermal overload relay, 18A/690V, class 10A; thermal setting range 12–18A; protects 3‑phase motors up to 7.5 kW @ 400V with phase failure & load unbalance detection
  • Thermal adjustment dial, manual/auto reset selector, trip test selector, reset & stop buttons, fault flag indicator
  • 2 signaling contacts (1NO + 1NC) for fault indication
  • Direct connection to LC1D18–D38 contactors or separate mounting (DIN rail/screw) using terminal block LAD7B106
  • Multistandard certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine) and Green Premium (RoHS/REACH) compliant
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Main
RangeTeSys
Range of productTeSys Deca
Product nameTeSys LRD
TeSys Deca
Product or component typeDifferential thermal overload relay
Device short nameLRD
Relay applicationMotor protection
Product compatibility LC1D32
LC1D18
LC1D25
LC1D38
Network type AC
DC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range 12…18 A
[Ui] rated insulation voltage Power circuit: 600 V conforming to CSA
Power circuit: 600 V conforming to UL
Power circuit: 690 V conforming to IEC 60947-4-1
Complementary
Network frequency0...400 Hz
Mounting supportPlate, with specific accessories
Rail, with specific accessories
Under contactor
Tripping threshold1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Auxiliary contact composition1 NO + 1 NC
[Ith] conventional free air thermal current5 A for signalling circuit
Permissible current1.5 A at 240 V AC-15 for signalling circuit
0.1 A at 250 V DC-13 for signalling circuit
[Ue] rated operational voltage690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
Associated fuse rating4 A gG for signalling circuit
4 A BS for signalling circuit
[Uimp] rated impulse withstand voltage6 kV
Phase failure sensitivityTripping current 130 % of Ir on two phase, the last one at 0
Control typeRed push-button: stop
Blue push-button: reset
Temperature compensation-20…60 °C
Connections - terminalsControl circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end
Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end
Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid
Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end
Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end
Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid
Tightening torqueControl circuit: 1.7 N.m – screw clamp terminals
Power circuit: 2.5 N.m – screw clamp terminals
Height66 mm
Width45 mm
Depth70 mm

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