Schneider-Electric
LR2D3557

Range: TeSys

Product name: TeSys LRD; TeSys Deca

Product or component type: Differential thermal overload relay

Device short name: LR2D

Relay application: Motor protection

Product compatibility: LC1D80; LC1D95

Network type: DC; AC

Thermal overload class: Class 20 conforming to IEC 60947-4-1

Thermal protection adjustment range: 37…50 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

Network frequency: 0...400 Hz

Mounting support: Plate, with specific accessories; Rail, with specific accessories; Under contactor

Tripping threshold: 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

Auxiliary contact composition: 1 NO + 1 NC

[Ith] conventional free air thermal current: 5 A for signalling circuit

Permissible current: 0.72 A at 500 V AC-15 for signalling circuit; 0.06 A at 440 V DC-13 for signalling circuit

[Ue] rated operational voltage: 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1

Associated fuse rating: 4 A gG for signalling circuit; 4 A BS for signalling circuit

[Uimp] rated impulse withstand voltage: 6 kV

Phase failure sensitivity: Tripping current 130 % of Ir on two phase, the last one at 0

Control type: Red push-button: stop; Blue push-button: reset

Temperature compensation: -20…60 °C

Connections - terminals: Power 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 torque: Control circuit: 1.7 N.m - on screw clamp terminals; Power circuit: 9 N.m - on screw clamp terminals

height: 100 mm

Width: 75 mm

Depth: 121 mm

Net weight: 0.535 kg

Compatibility code: LR2D

Climatic withstand: conforming to IACS E10

IP degree of protection: IP20 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 retardance: V1 conforming to UL 94

Mechanical robustness: Vibrations: 6 Gn conforming to IEC 60068-2-6; Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7

Dielectric strength: 2.2 kV at 50 Hz conforming to IEC 60947-1

Standards: EN/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 certifications: IEC; UL; CSA; EAC; DNV-GL; LROS (Lloyds register of shipping); UKCA

Unit Type of Package 1: PCE

Number of Units in Package 1: 1

Package 1 Height: 8.500 cm

Package 1 Width: 7.800 cm

Package 1 Length: 11.800 cm

Package 1 Weight: 526.000 g

Unit Type of Package 2: S02

Number of Units in Package 2: 12

Package 2 Height: 15.000 cm

Package 2 Width: 30.000 cm

Package 2 Length: 40.000 cm

Package 2 Weight: 6.615 kg

Sustainable offer status: Green Premium product

REACh Regulation: Free of Substances of Very High Concern above the threshold

REACh free of SVHC: Yes

EU RoHS Directive: Compliant

Toxic heavy metal free: Yes

Mercury free: Yes

China RoHS Regulation:  Pro-active China RoHS declaration (out of China RoHS legal scope)

RoHS exemption information: Yes

Environmental Disclosure: ENVPEP110101EN

Circularity Profile: ENVEOLI1101001

WEEE: The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins