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Can comb bus bars for Multi 9 C60BP circuit breakers be cut to any desired length?

Issue:
Cutting M9 UL recognized comb busbars for C60BP circuit breakers

Product Line:
UL 489 listed Multi 9

Environment:
Installation

Resolution:

"Standard" UL recognized busbars cannot be cut, but there are two lengths to choose from. For unused positions - use end cap M9XCTC18.
- M9XUP106 M9XUP312 M9XUP312 M9XUP312 M9XUP312 M9R81425
"Cuttable" UL recognized busbars are also available. For unused positions use end cap M9XCEC10.
- M9XCP157 M9XCP256 M9XCP357 M9XCA137 M9XCA348

See graphic below for details.

IEC style comb bus bars are cuttable. Use end caps M9XCEC10 on both ends.

Image of Digest page showing UL Comb Busbars