Schneider-Electric
LRD350L3

range: TeSys

product name: TeSys LRD

product or component type: Differential thermal overload relay

device short name: LRD

relay application: Motor protection

product compatibility: LC1D65A; LC1D50A; LC1D40A

network type: AC; DC

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: 0.06 A at 440 V DC-13 for signalling circuit; 0.75 A at 480 V AC-15 for signalling circuit

[Ue] rated operational voltage: 690 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: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible without cable end; Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible with cable end; Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² solid without cable end; Control circuit: spring terminals 1 cable(s) 1…2.5 mm² solid without cable end; Control circuit: spring terminals 1 cable(s) 1…2.5 mm² flexible without cable end

tightening torque: Power circuit: 5 N.m - on EverLink BTR screw connectors

height: 70 mm

width: 55 mm

depth: 123 mm

net weight: 0.375 kg

compatibility code: LRD

protective treatment: TH conforming to IEC 60068

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: Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7; Vibrations: 4 gn conforming to IEC 60068-2-6

dielectric strength: 1.89 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; CCC; EAC; DNV-GL; RMRS; EU-RO MR; LROS (Lloyds register of shipping)

REACh free of SVHC: Yes

EU RoHS Directive: Compliant

Toxic heavy metal free: Yes

Mercury free: Yes

RoHS exemption information: Yes

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

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