PowerLogic PFC Capacitor
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HEAVY DUTY CAPACITOR
VarPlus Can HDuty Capacitor - 37.7/45.2 kvar - 525 V - 50/60Hz
SKU BLRCH377A452B52Schneider Electric BLRCH377A452B52 is a heavy duty capacitor in the PowerLogic PFC Capacitor range. Key specifications include reactive power: 37.7 kvar 525 V 50 Hz; rated voltage: 525 V AC 50/60 Hz; network frequency: 50/60 Hz.
37.7 kvar 525 V 50 HzReactive power
525 V AC 50/60 HzRated voltage
50/60 HzNetwork frequency
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | BLRCH377A452B52 |
|---|---|
| Range | PowerLogic |
| Range of product | PowerLogic |
| Product or component type | Heavy duty capacitor |
| Product name | PowerLogic PFC Capacitor |
| Network frequency | 50/60 Hz |
| Series name | HDuty |
| Network harmonic content | <= 20 % |
| Electrical parameters | 37.7 kvar 525 V 50 Hz 45.2 kvar 525 V 60 Hz |
| Maximum permissible voltage | 1.1 x Un (8 hours over 24 hours) |
| continuous overcurrent capacity | 1.8 x In |
| Rated voltage | 525 V AC 50/60 Hz |
| Dielectric losses | < 0.2 W/kvar |
| Power losses | < 0.5 W/kVAr |
| Capacitance tolerance | - 5 % to 10 % |
| Voltage test | 2.15 x Un AC between terminals for 10 s <= 660 V - 3 kV AC between terminal and container for 10 s >= 660 V - 6 kV AC between terminal and container for 10 s |
| Inrush current | 250 x In |
| Maximum switching operation per year | 7000 |
| Service life in hours | 130000 h |
| Dielectric material | Metallized polypropylene film with Zn/Al alloy, special resistivity & profile, special edge (wave cut) |
| Impregnation material | Non-PCB dry PUR resin Biodegradable |
| Type of installation | Indoor installation |
| Connections - terminals | ClampTite terminal |
| Mounting mode | Upright/horizontal |
| Diameter | 136 mm |
| Height | 242 mm |
| Net weight | 3.2 kg |
| Standards | IEC 60831-2 IEC 60831-1 |
| IP degree of protection | IP20 |
| Operating altitude | 2000 m |
| Temperature class | D |
| Ambient air temperature for operation | -25…55 °C |
| Relative humidity | 95 % |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.