Owner manual

Infinity D Power System Installation Guide: -48V Plants H2007001
Issue 2.0, June 3, 2009 40
Install dc Bullet Style Circuit Breaker Modules for -48V Loads
This plant makes use of a [circuit breaker]/[lug landing] assembly for each normal format
bullet style circuit breaker. This section illustrates how these are installed.
CAUTION: Ensure Circuit Breakers are in the OFF position prior to installation.
CAUTION: In order to meet UL Listing temperature limits in the event of overload,
high current rated Bullet Breaker locations must meet all of these layout restrictions:
• Maximum rating of 1-pole breakers is 70A.
• Maximum rating of 2-pole breakers is 100A.
• Maximum grouping of 250 A before skipping a circuit breaker position.
Step Action
1.
Open the Rectifier System Module door
2.
Locate Circuit Breaker (CB) mounting
panel.
Open door by pressing here
Locate CB mounting panel