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Description
Compact Size
The 4000A frame size has a width of
123/4
of only
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
231h
inches a depth
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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