| range |
TeSys
| |
|---|---|---|
| product name |
TeSys LRD
| |
| product or component type |
Differential thermal overload relay
| |
| device short name |
LRD
| |
| relay application |
Motor protection
| |
| product compatibility |
LC1D80
LC1D95 | |
| network type |
DC
AC | |
| thermal protection adjustment range |
48...65 A
| |
| [Ui] rated insulation voltage |
1000 V power circuit conforming to IEC 60947-4-1
600 V power circuit conforming to CSA 600 V power circuit conforming to UL |
| 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
| |
| [Ith] conventional free air thermal current |
5 A for signalling circuit
| |
| permissible current |
0.72 A at 500 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
| |
| [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 for reset mode | |
| temperature compensation |
-20...60 °C
| |
| connections - terminals |
Power circuit : screw clamp terminals 1 cable(s) 4...35 mm² flexible without cable end
Power circuit : screw clamp terminals 1 cable(s) 4...35 mm² flexible with cable end Power circuit : screw clamp terminals 1 cable(s) 4...35 mm² solid without cable end 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 | |
| tightening torque |
Control circuit : 1.7 N.m on screw clamp terminals
Power circuit : 9 N.m on screw clamp terminals | |
| height |
123 mm
| |
| width |
75 mm
| |
| depth |
121 mm
| |
| product weight |
0.51 kg
|
| protective treatment |
TH conforming to IEC 60068
| |
|---|---|---|
| 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 IEC 60068-2-6
Shocks 15 Gn for 11 ms IEC 60068-2-7 | |
| dielectric strength |
6 kV at 50 Hz conforming to IEC 60255-5
| |
| standards |
IEC 60947-4-1 EN 60947-4-1 UL 508 EN 60947-5-1 IEC 60947-5-1 ATEX D 94/9/CE CSA C22.2 No 14 |