What do the descriptions of 1A1B, 2A2B, and 3A3B on auxiliary switches mean?
Issue:
What does the description 1A or 1B on auxiliary switches mean?
Product Line:
Molded Case Circuit Breakers
Resolution:
1A1B = 1 normally open (1A) and 1 normally closed (1B) contact.
2A2B = 2 normally open and 2 normally closed contacts.
3A3B = 3 normally open and 3 normally closed contacts.
The "normal" status applies to the breaker when the breaker is open.
What does the description 1A or 1B on auxiliary switches mean?
Product Line:
Molded Case Circuit Breakers
Resolution:
1A1B = 1 normally open (1A) and 1 normally closed (1B) contact.
2A2B = 2 normally open and 2 normally closed contacts.
3A3B = 3 normally open and 3 normally closed contacts.
The "normal" status applies to the breaker when the breaker is open.
Released for: Schneider Electric USA
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