Square D EZ Meter-Pak Main Circuit Breaker Busway Center Tap — Model EZM31200GCBA40
The Square D EZM31200GCBA40 is a main circuit breaker busway center tap unit for EZ Meter-Pak metering systems. Rated 1200A at 240VAC maximum with a 3-phase, 4-wire configuration, it is designed for use with 4000A bus systems at a 65kA short-circuit current rating (SCCR). The NEMA 3R enclosure provides protection for outdoor and exposed location installations.
Key Specifications
- Current Rating: 1200A
- Voltage: 240VAC max
- Configuration: 3-Phase, 4-Wire
- Bus Rating: 4000A
- Interrupting Rating: 65kA
- NEMA Rating: 3R
- Mount Type: Wall
- Product Type: Meter Centre Busway Centre Tap Main Unit
Features
- Main circuit breaker provides overcurrent protection at the service entrance
- NEMA 3R enclosure for outdoor and weatherproof installations
- Compatible with Square D EZ Meter-Pak metering system infrastructure
- 4000A bus compatibility for large commercial and industrial metering applications
- 65kA interrupting rating for high available fault current environments
Applications
Designed for commercial and industrial service entrance metering installations where EZ Meter-Pak busway metering systems are used. Suitable for multi-tenant commercial buildings, industrial facilities, and utility metering applications requiring a main circuit breaker tap on the busway at the 1200A level.

