ETC Unison Auxiliary Enclosure Series - Manual (Page 4)

1 Unison Enclosure Installation
Introduction
Welcome to the installation manual for Unison
®
AX series auxiliary enclosures. This
manual contains the procedures for safe and efficient installation of an AX main breaker or
AX main lug auxiliary enclosure, and the cross-bussed AX12X auxiliary enclosure.
Warnings and Notice Conventions
These symbols are used in ETC documentation to alert you to danger or important
information:
AX Series Auxiliary Enclosures
Series Voltage Notes
AX6-MCB-1-150 100-120 VAC 150A main breaker for DRd6 – 1Ø, 3-wire
AX6-MCB-3-100 100-277 VAC 100A main breaker for DRd6 – 3Ø, 4-wire
AX12-MCB-1-300 100-120 VAC 300A main breaker for DRd12 – 1Ø, 3-wire
AX12-MCB-3-200 100-277 VAC 200A main breaker for DRd12 – 3Ø, 4-wire
AX12X Series Cross-bussed Auxiliary Enclosures
Series Voltage Notes
AX12X-MCB-1-400 100-120 VAC 400A main breaker for (2) DRd12 – 1Ø, 3-wire
AX12X-MCB-3-400 100-277 VAC 400A main breaker for (2) DRd12 – 3Ø, 4-wire
AX12X-ML-1-600 100-120 VAC
Main Lug with cross-bussing for (2) DRd12 enclosures – 1Ø,
3-wire
AX12X-ML-3-400 100-277 VAC
Main lug with cross-bussing for (2) DRd12 enclosures – 3Ø,
4-wire
N o t e : Notes are helpful hints and information that is supplemental to the main text.
C A U T I O N : A Caution statement indicates situations where there may be undefined or
unwanted consequences of an action, potential for data loss or an equipment
problem.
W A R N I N G : A Warning statement indicates situations where damage may occur, people
may be harmed, or there are serious or dangerous consequences of an
action.
W A R N I N G : RISK OF ELECTRIC SHOCK! This warning statement indicates situations
where there is a risk of death by electric shock.