Schneider TeSys LRD14 Thermal Overload Relay 7-10A

Schneider Electric LRD14 — TeSys thermal overload relay. Bimetallic thermal overload relay for motor protection. TeSys LRD14 three-pole thermal overload relay, 7-10A range. Class 10A trip, 1NO+1NC signalling, manual/auto reset selectable. Installed in low-voltage switchgear panels, main and sub-distribution boards, motor control centres and DIN-rail consumer units.

Series

TeSys LRD, Current Range: 7-10A, Trip Class: 10A, Poles: 3, Auxiliary Contacts: 1NO + 1NC, Reset: Manual / Auto selectable, Terminal Type: Screw clamp, Mounting: Directly under LC1D09-D38

Setting range

7-10 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

LC1D09; LC1D12; LC1D38; LC1D32; LC1D25; LC1D18

Network type

AC; DC

Thermal overload class

Class 10A conforming to IEC 60947-4-1

Thermal protection adjustment range

7…10 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: 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 without cable end

Tightening torque

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

Height

66 mm

Width

45 mm

Depth

70 mm

Product weight

0.124 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

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

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; GB/T 14048.4; GB/T 14048.5; EN 50495

Product certifications

IEC; UL; CSA; CCC; EAC; BV; RINA; DNV-GL; LROS (Lloyds register of shipping); ATEX INERIS; UKCA

Number of Units in Package 1

1

Number of Units in Package 2

24

Number of Units in Package 3

384

Country of origin

FR

Warranty (in months)

18

EAN

3389110346817

Standard

IEC 60947-4-1; UL 508

Classification / Approval

CE, UL, CSA, CCC

HS Code

8536.20