Allen-Bradley 1503VC-BMC3 IntelliVAC™ Contactor Control Module

Product Overview

The Allen-Bradley 1503VC-BMC3 is an IntelliVAC™ Contactor Control Module designed for controlling Bulletin 1502 vacuum contactors in medium-voltage motor applications. It provides precise switching, protection, and diagnostics for industrial systems such as motor control centers, HVAC, and renewable energy setups. The module supports both electrically held and mechanically latched contactors.

Technical Specifications

• Model Number: 1503VC-BMC3

• Rated Voltage: 110–240V AC (50/60 Hz) or 110–250V DC

• Rated Current: Up to 300A

• Inrush Current: 25 A peak (½ cycle)

• Idle Current: Max 125 mA

• Sealed Current: Max 1.0 A

• Control Output: 24V DC coil drive

• Coil Voltage: 120V AC, 60 Hz

• Auxiliary Contacts: 2 NO + 2 NC

• Communication Interface: RS-485 (Modbus RTU); optional Ethernet/IP (firmware-dependent)

• Mounting Type: Panel-mounted or DIN-rail

• Dimensions: 115 mm (H) × 317 mm (W) × 160 mm (D)

• Weight: 1.41 kg

• Operating Temperature: -40°C to +65°C

• Storage Temperature: -40°C to +70°C

• Humidity: 5% to 95% non-condensing