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Schneider Electric TeSys LR2D3555 Thermal Overload Relay 30-40 A Class 20

Schneider Electric · Switchgear & Protection · Overload Relays · France · se.com
Part Number
LR2D3555  ·  HS 8536.90
Schneider Electric TeSys LR2D3555 Thermal Overload Relay 30-40 A Class 20

Schneider Electric LR2D3555 TeSys thermal overload relay for motor protection with a 30-40 A setting range and Class 20 trip characteristic per IEC 60947-4-1. Bimetallic differential design with one NO plus one NC auxiliary contact, mounts under LC1D80 or LC1D95 contactors.

Technical Specifications

Manufacturer part number (MPN)LR2D3555
EAN / GTIN3389110229097
HS code8536.90
Sales unitpcs
Package quantity12 pcs
Setting range30-40 A
RangeTeSys
Product nameTeSys LRD; TeSys Deca
Product or component typeDifferential thermal overload relay
Device short nameLR2D
Relay applicationMotor protection
Product compatibilityLC1D95; LC1D80
Network typeDC; AC
Thermal overload classClass 20 conforming to IEC 60947-4-1
Thermal protection adjustment range30…40 A
[Ui] rated insulation voltagePower circuit: 600 V conforming to CSA; Power circuit: 600 V conforming to UL; Power circuit: 690 V conforming to IEC 60947-4-1
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 current0.72 A at 500 V AC-15 for signalling circuit; 0.06 A at 440 V DC-13 for signalling circuit
[Ue] rated operational voltage1000 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 - terminalsPower circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible without cable end; Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible with cable end; Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² solid without cable end; Control 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 without cable end
Tightening torqueControl circuit: 1.7 N.m - on screw clamp terminals; Power circuit: 9 N.m - on screw clamp terminals
Height100 mm
Width75 mm
Depth121 mm
Product weight0.535 kg
Climatic withstandconforming to IACS E10
IP degree of protectionIP20 conforming to IEC 60529
Ambient air temperature for operation-20…60 °C without derating conforming to IEC 60947-4-1
Ambient air temperature for storage-60…70 °C
Flame retardanceV1 conforming to UL 94
Mechanical robustnessVibrations: 6 Gn conforming to IEC 60068-2-6; Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Dielectric strength2.2 kV at 50 Hz conforming to IEC 60947-1
StandardsEN/IEC 60947-4-1; EN/IEC 60947-5-1; UL 60947-4-1; UL 60947-5-1; CSA C22.2 No 60947-4-1; CSA C22.2 No 60947-5-1
Product certificationsIEC; UL; CSA; EAC; DNV-GL; LROS (Lloyds register of shipping); UKCA
Warranty (in months)18

Properties

MOQ1

Cross-References

Attached Documents