ETC Unison Auxiliary Enclosure Series - Manual (Page 6)

3 Unison Enclosure Installation
Unison Auxiliary Enclosure
A main circuit breaker auxiliary enclosure is equipped with breakers that are sized for
maximum load capacity for the DRd configuration.
AX Series Enclosure Options
Unison AX series enclosures are designed to provide main lug or main circuit breaker input
feed provisions for single DRd6 or DRd12 applications.
•
AX6-MCB-1-150 – includes main breaker for DRd6, 150A/1Ø, 3-wire
• AX6-MCB-3-100 – includes main breaker for DRd6, 100A/3Ø, 4-wire
• AX12-MCB-1-300 – includes main breaker for DRd12, 300A/1Ø, 3-wire
• AX12-MCB-3-200 – includes main breaker for DRd12, 200A/3Ø, 4-wire
AX12X Series Enclosure Options
Unison AX12X cross-bussing enclosures are designed to provide main lug or main breaker
input feed termination for cross-bussed DRd12 applications.
•
AX12X-ML-1-600 – includes cross-bussed main lugs for (2) DRd12, 600A/1Ø, 3-wire
• AX12X-ML-3-400 – includes cross-bussed main lugs for (2) DRd12, 400A/3Ø, 4-wire
• AX12X-MCB-1-400 – includes main breaker for (2) DRd12, 400A/1Ø, 3-wire
• AX12X-MCB-3-400 – includes main breaker for (2) DRd12, 400A/3Ø, 4-wire
N o t e : A 600A single phase main circuit breaker is not available due to NEC wire bending
space limitations.
Main Lug Main Circuit
Breaker