Schrack-Info
Basic electronic type release for power distribution EN
EN electronic trip unit has three-stage protection of overload, short circuit short time-delay and short circuit instantaneous protection.
•Over-load long-time delay protection
Setting current Ir=In x 0.4-0.5-0.6-0.7-0.8-0.9-0.95-1.0
Tripping time Tr (s): 3-6-12-18, Accuracy ±10%
•Short circuit short-time delay protection
Setting current Isd=Ir x 1.5-2-3-4-6-8-10, 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 × 2-3-4-6-8-10-12, OFF, Accuracy ±15%
Max. tripping time (ms): 60
EN electronic trip unit has three-stage protection of overload, short circuit short time-delay and short circuit instantaneous protection.
•Over-load long-time delay protection
•Short circuit short-time delay protection
•Short circuit Instantaneous protection
| EAN-Code | 9004840894400 |
|---|---|
| Net width | 185,00mm |
| Net height | 255,00mm |
| Net weight | 8,00kg |
| Power loss | 96,00W |
| 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) | 50kA |
| Size type | 3 |
| Tripping Unit | Electronic release - Type EN |
| Poles | 4 |
| Pollution degree | 3 |
| IP Rating | IP40 |
| Rated insulation voltage [Ui] | 1000V |
| Rated impulse withsand voltage [Uimp] | 12000V |
| Rated ultimate short-circuit breaking capacity Icu | 50kA |
| Rated service breaking capacity Ics | 50kA |
| AC 380/400/415V | 50kA (Icu) / 50kA (Ics) |
| AC 440V | 50kA (Icu) / 50kA (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 |
