CB-A / CB-B Contact Block
CB-A Contact Block
1. Applications of CB-A Contact Block:
CB-A series auxiliary contact blocks are installed on the top of CA2-D controlrelay or AA02 AC contactor for expanding the couples of auxiliary contactspoints. Owing to adopting the contacting functions of sliding frictions, theitem can be self-cleaning & ensure the electric circuit to be reliable.
2. Specifications of CB-A Contact Block:
Type | CBA- DN02 | CBA- DN11 | CBA- DN20 | CBA- DN22 | CBA- DN40 | CBA- DN04 | CBA- DN13 | CBA- DN31 |
Contact number | 2NC | NO NC | 2NO | 2NO 2NC | 4NO | 4NC | 1NO INC | 3NO 3NC |
CB-B Contact Block
1. Applications of CB-B Contact Block:
CB-B timer delay auxiliary contact blocks are combined with AA02 AC contactor& CB-A Auxiliary contact block into star-delta reduced volt-age starter isto start motor.
2. Specifications of CB-B Contact Block:
Type | Delay range | Number of the delay contacts |
CBB-DT0 | 0.l~3s | NO NC |
CBB-DT2 | 0.1-30s | |
CBB-DT4 | 10-180s | |
CBB-DR2 | 0.1-0.3s | |
CBC-DR4 | 10-180s | |
CBC-DR2 | 0.1~3s |
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