LRD380

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Product

Industrial Automation

LRD380

  • $200.30

LRD differential thermal overload relay 62-80A class10A EverLink

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range

TeSys

 
product name

TeSys LRD

 
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)