
Automatic Circuit Breaker BM C50/3, 4.5kA
Article: BM417350--
18 490 ₸
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The BMS4 series automatic circuit breaker is designed to protect electrical circuits from overloads and short-circuit currents. The three-pole design with a rated current of 50 A and switching capacity of 4.5 kA ensures reliable disconnection under fault conditions.
Main characteristics:
- Tripping characteristic: C (for circuits with moderate inrush currents)
- Number of poles: 3 (three-phase protection)
- Rated current: 50 A
- Switching capacity: 4.5 kA at 230/400 V
- Design: AC-MCB (modular automatic circuit breaker for AC)
- Power consumption: 14.90 W
Operating conditions:
- Ambient temperature range: from -40°C to +75°C
- DIN-rail installation width: 53.40 mm (3 modules)
- Height: 85.00 mm
- Depth: 75.00 mm
- Weight: 0.37 kg
Standards compliance:
The circuit breaker is developed in accordance with the requirements of:
- EN 60898-1:2019 (Automatic circuit breakers for protection against overload and short-circuit)
- EN 60947-2:2006 + A1:2009 + A2:2013 (Low-voltage switchgear and control gear)
- EN 60947-2:2017 + A1:2020 (Current edition of the standard)
- EN 63000:2018 (Electrical products)
Manufacturer: Schrack (Austria)
Packaging options: 1 pcs., 4 pcs., 40 pcs.
| EAN code | 9004840456332 |
|---|---|
| Width (net) | 53.40 mm |
| Height (net) | 85.00 mm |
| Depth (net) | 75.00 mm |
| Weight (net) | 0.37 kg |
| Power loss | 14.90 W |
| Min. ambient temperature | -40°C |
| Max. ambient temperature | 75°C |
| Characteristic | C |
| Poles | 3 |
| Rated current | 50 A |
| Type | BMS4 |
| Series | BMS4 |
| Switching capacity | 4.5 kA |
| Design | AC-MCB |
| Standard | EN 60898-1:2019, EN 60947-2:2006 + A1:2009 + A2:2013, EN 60947-2:2017 + A1:2020, EN 63000:2018 |
| Manufacturer | Schrack |
| Packaging | 1 pcs., 4 pcs., 40 pcs. |