Schrack-Info
Standard electronic type release for power distribution EM
EM release has four-stage protection of overload, short circuit short-time delay, short circuit instantaneous protection and earth fault, with real-time current display, protection parameter information display, fault information display and parameter setting function.
•Over-load long-time delay protection
Setting current Ir=In x 0.4~1.0, Stepping 1A
Tripping time Tr (s): 3~18, 1s, Accuracy ±10%
•Short circuit short-time delay protection
Setting current Isd=Ir × 1.5~10, Stepping 1A, OFF, Accuracy ±15%
Tripping time Tsd (s): 0.1-0.2-0.3-0.4, Accuracy ±20% or ±40ms (higher value will be selected)
•Short circuit instantaneous protection
Setting current Ii=In x 1.5~12, Stepping 1A, OFF, Accuracy ±15%
Max. tripping time (ms): 60
•Earth fault protection
Setting current Ig=In x 0.4-0.5-0.6-0.7-0.8-0.9-1.0, OFF, Accuracy ±15%
Tripping time (s): 0.1-0.2-0.3-0.4, Accuracy ±15%
EM release has four-stage protection of overload, short circuit short-time delay, short circuit instantaneous protection and earth fault, with real-time current display, protection parameter information display, fault information display and parameter setting function.
•Over-load long-time delay protection
•Short circuit short-time delay protection
•Short circuit instantaneous protection
•Earth fault protection
| EAN-Code | 9004840894325 |
|---|---|
| Net width | 140,00mm |
| Net height | 255,00mm |
| Net weight | 6,00kg |
| Power loss | 72,00W |
| Min. ambient temperature | -40°C |
| Max. ambient temperature | 70°C |
| Device category | circuit breaker |
| Standard | EN 60947-2 |
| Rated current | 400A |
| Rated voltage | < 690VAC |
| Short circuit switching capacity (400V) | 70kA |
| Size type | 3 |
| Tripping Unit | Digital electronic release - Type EM |
| Poles | 3 |
| Pollution degree | 3 |
| IP Rating | IP40 |
| Rated insulation voltage [Ui] | 1000V |
| Rated impulse withsand voltage [Uimp] | 12000V |
| Rated ultimate short-circuit breaking capacity Icu | 70kA |
| Rated service breaking capacity Ics | 70kA |
| AC 380/400/415V | 70kA (Icu) / 70kA (Ics) |
| AC 440V | 70kA (Icu) / 70kA (Ics) |
| AC 500V | 40kA (Icu) / 40kA (Ics) |
| AC 660/690V | 12kA (Icu) / 12kA (Ics) |
| Electrical endurance (Operation cycle) | ## |
| AC 415V, In | 4000 |
| AC 690V, In | 1500 |
| Manufacturer | Schrack |
| - | Sommeroffer |
| Packaging units | 1 pcs |
