LRD380

THERM OVERLD 62-80A CL10A

Trade Price

POA

Per

1

Unit

EA

Pack Quantity

1

LRD380

Information

TeSys LRD thermal overload relay, 80A/690V, thermal setting range 62-80A, tripping class 10A, for protection of 3-phase motors 37kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by EverLink BTR screw terminals , it connects directly to the bottom terminals of 3-pole contactors LC1D40A-D80A. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD96560 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHs/Reach).

Technical Specifications

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

LC1D80A

Network type

AC DC

Thermal overload class

Class 10A conforming to IEC 60947-4-1

Thermal protection adjustment range

62…80 A

[Ui] rated insulation voltage

Power circuit: 690 V conforming to IEC 60947-4-1 Power circuit: 600 V conforming to UL 60947-4-1 Power circuit: 600 V conforming to CSA C22.2 No 14

Network frequency

0...400 Hz

Mounting support

Plate, with terminal block LAD96560 on top Rail, with terminal block LAD96560 on top Direct mounting 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

0.95 A at 380 V AC-15 for signalling circuit 0.06 A at 440 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

Power dissipation per pole

4.8 W

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 with 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 Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible Power circuit: direct terminal link on top

Tightening torque

Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 5 N.m - on EverLink BTR screw connectors - cable 25 mm² Power circuit: 8 N.m - on EverLink BTR screw connectors - cable 35 mm²

height

70 mm

Width

55 mm

Depth

123 mm

Net weight

0.375 kg

Colour

Grey (SE GREY 6)

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: 3 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 GB/T 14048.4 GB/T 14048.5

product certifications

IEC UL CSA CCC EAC DNV-GL RMRS EU-RO MR UKCA

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

6.000 cm

Package 1 Width

10.500 cm

Package 1 Length

13.500 cm

Package 1 Weight

392.000 g

Unit Type of Package 2

S02

Number of Units in Package 2

13

Package 2 Height

15.000 cm

Package 2 Width

30.000 cm

Package 2 Length

40.000 cm

Package 2 Weight

5.383 kg

Warranty

18 months

Document Links

Datasheet