BSMJ0.45-40-3 is a 40 kvar three-phase self-healing shunt capacitor, the largest step of the 0.45 kV BSMJ family, for central power factor correction in heavy industrial networks. Self-healing metallized polypropylene film, paraffin-wax impregnation and a reinforced oval case deliver long service life under continuous switching, and the built-in discharge device keeps the unit safe for JKW5C based compensation banks.
| Model | BSMJ0.45-40-3 |
|---|---|
| Type | Self-healing low-voltage shunt power capacitor |
| Rated voltage | 0.45 kV |
| Rated output | 40 kvar |
| Phase | 3-phase |
| Rated frequency | 50 Hz |
| Rated current | 51.3 A |
| Capacitance | 629 uF |
| Dielectric | Metallized polypropylene film |
| Impregnation | Paraffin wax (S type) |
| Discharge device | Built-in |
| Series companions | BSMJ0.45-15/20/25/30-3, BSMJ0.525-50-3 |




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Professional manufacturer of AC contactors, circuit breakers, capacitors, hour meters and counters. Factory-direct, CE & ROHS certified, exporting worldwide.
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