Power circuit-breaker for trafo/generator/installation protection ABB 1SDA126055R1: complete device with protection block, control element type push button, motor drive optional. Power circuit breaker for protecting and switching power circuits in low-voltage switchboards.
| Series | E2.3S 250 Ekip Aware LI 4p FHR |
|---|---|
| Electrical | |
| Power loss | 50 W |
| Rated ultimate short-circuit breaking capacity Icu at 400 V, 50 Hz | 85 kA |
| Rated voltage | 690 V |
| Rated continuous current Iu | 250 A |
| Number of poles | 4 |
| Number of auxiliary changeover contacts | 4 |
| Main circuit connection type | Back side |
| Main electrical circuit connection type | Screw connection |
| With built-in undervoltage release | No |
| Mechanical | |
| DIN rail mounting (O-type) optional | No |
| Suitable for DIN-rail mounting | No |
| Operating conditions | |
| IP protection rating | IP30 |
| Other | |
| Setting range of overload protection device | 100–250 A |
| Instantaneous short-circuit release setting range | 0.375–3.75 kA |
| Complete device with protection block | Yes |
| Design | Built-in device fixed built-in technique |
| Motor drive optional | Yes |
| Trip indicator present | Yes |
| Control element type | Push button |
| Built-in ground fault protection | No |
| Built-in motor drive | No |
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