Description
Compact Size
The 4000A frame size has a width of
231h
inches a depth
of only
123/4
inches. This compact packaging is made
possible by the insulated-encased construction and ther
mal performance of the SB breaker. When operated at
4000A Frame Fixed Mounted
1 00% of the frame rating, 66 sq. in. ventilation is required
in top and bottom of front cover for the 4000A frames.
Detailed outline drawings of the breakers and drawout
elements are included in the Outline Dimensions section,
pages 74-79.
Example One ( 1) 4000A Siemens SB Encased Systems Breaker
can be mounted in a 90-inch switchboard, w1th the top sect1on
reserved for metering.
5
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