| 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 |
DC
AC |
|
| thermal overload class |
Class 10A IEC 60947-4-1
|
|
| thermal protection adjustment range |
37…50 A
|
|
| [Ui] rated insulation voltage |
Power circuit 600 V CSA
Power circuit 600 V UL Power circuit 690 V 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 IEC 60947-4-1
|
|
| auxiliary contact composition |
1 NO + 1 NC
|
|
| [Ith] conventional free air thermal current |
5 A signalling circuit
|
|
| permissible current |
0.95 A 380 V AC-15 signalling circuit
0.06 A 440 V DC-13 signalling circuit |
|
| [Ue] rated operational voltage |
690 V AC 0…400 Hz power circuit IEC 60947-4-1
|
|
| associated fuse rating |
4 A gG signalling circuit
4 A BS 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 |
-4…140 °F (-20…60 °C)
|
|
| connections – terminals |
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) solid without cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) flexible without cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) flexible with cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) solid without cable end |
|
| tightening torque |
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals
Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors |
|
| height |
2.76 in (70 mm)
|
|
| Maximum Width |
2.17 in (55 mm)
|
|
| depth |
4.84 in (123 mm)
|
|
| Net Weight |
0.83 lb(US) (0.375 kg)
|
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