The Allen-Bradley 1503VC-BMC4 is an IntelliVAC contactor control module engineered for medium-voltage vacuum contactor applications. As a core component of the Bulletin 1503VC IntelliVAC family, this module provides a scalable, reliable solution for managing Bulletin 1502 vacuum contactors rated at 400 A and 800 A, supporting systems up to 7,200 volts. It features universal input voltage compatibility, allowing for deployment across diverse global power infrastructures without the need for voltage-specific hardware variants.
| Parameter | Specification |
|---|---|
| Model | 1503VC-BMC4 |
| Input Voltage | 110–240V AC / 110–250V DC |
| Max Idle Current | 125 mA |
| Inrush Current | 25 A (for 0.5 cycle) |
| Operating Temperature | -40 to 85 degC |
| Altitude | -1000 to 5000 meters |
| Humidity | 95% non-condensing |
| Tariff Code | 8537101190 |
What is the 1503VC-BMC4?
The 1503VC-BMC4 is a Bulletin 1503 IntelliVAC Contactor Control Module designed to control 400A and 800A vacuum contactors in medium-voltage motor controllers and feeders.
What contactors is it compatible with?
It is compatible with Bulletin 1502 400 A and 800 A vacuum contactors.
How does it improve system protection?
It provides selectable drop-out times, which allow for tighter coordination with upstream power fuses, improving overall system selectivity and protection.
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