Schneider Electric TeSys LRD350L Thermal Overload Relay 37-50A, Class 20

Schneider Electric LRD350L — TeSys thermal overload relay. Bimetallic thermal overload relay for motor protection. Thermal overload relay 37-50 A, eLink connection, Class 20.

Manufacturer part number (MPN)

LRD350L

EAN / GTIN

3389119215572

HS code

8536.90

Sales unit

pcs

Package quantity

13 pcs

Setting range

37-50 A

Range

TeSys; TeSys Deca

Product name

TeSys LRD; TeSys Deca

Product or component type

Differential thermal overload relay

Device short name

LRD

Relay application

Motor protection

Product compatibility

LC1D50A; LC1D65A; 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

3 A at 120 V AC-15 for signalling circuit; 0.22 A at 125 V DC-13 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

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; 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

Tightening torque

Control circuit: 1.7 N.m - on screw clamp terminals; Power circuit: 5 N.m - on EverLink BTR screw connectors

Height

70 mm

Width

55 mm

Depth

123 mm

Product weight

0.375 kg

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

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); UKCA

Warranty (in months)

18

HS Code

8536.90

• EAN 3389119215572
• SAP 1000079242
• Code 8768642