Section 7: Inspection and maintenance
Side-to-Side
Ledge
Contact Wear Inspection Area
(ledge not visible under contacts)
Contact Wear Indicator—
Contacts Closed and in Good Condition
Figure 7-5 Use of contact wear indicator with circuit breaker closed
54
IZM32 / IN32 low voltage air circuit breaker MN013017EN May 2022 www.eaton.com
Contact Wear Inspection Area
(ledge now becoming visible
under contacts)
Contact Wear Indicator—
Contacts Closed and Wear is Indicated
Side-to-Side
Ledge
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