THREE-PHASE CAPACITORS IN CASE FOR FIXED POWER FACTOR CORRECTION
The realization of the three-phase CMR capacitors is done using single-phase capacitors of our MFA series in an aluminum case equipped with an overpressure protection device, with a dielectric in metallized polypropylene film and a non-toxic biodegradable filler.
The CMR series capacitor case is made of self-extinguishing thermoplastic material, provided with special holes for natural ventilation and retains the characteristic of modularity, the connection to the network is via M8 terminals.
The CMR series three-phase capacitor is realized in the 4 voltage ranges 230 Vac – 400 Vac – 440 Vac – 500 Vac.
|Dielectric||Metallized polypropylene film|
|Rated frequency||50 Hz|
|Power tolerance||-5% + 10%|
|Dielectric losses||< 0,30 W/KVAr|
|Working ambient temperature||-25°C + 45°C|
|Max over voltage||1,1 Un (according to IEC)|
|Max over current||1,3 In|
|Max inrush current||100 In|
|AC test voltage between terminals||2,15 Un for 2 sec.|
|AC test voltage between case/terminals||3 kV for 10 sec.|
|Insulation level||3/15 KV|
|Discharge time||< 3 minutes with residual voltage 75V|
|Internal connection||Delta three-phase|
|Safety device||Internal overpressure disconnector|
|Filling||Oil filling, without PCB|
|Service type||Continuous, indoor|
|Protection degree||IP 40|
|Mounting position||Vertical preferable for better cooling|
|Service life||60.000 hours|
|Reference standards||CEI EN 60831-1/2 IEC 831-1/2|