Description
The ABB CAT4-11E Front-Mounted Auxiliary Contact/Coil Terminal Block is used with contactors and motor starters to provide additional normally open and normally closed contact operates within electrical control systems. It supports signal switching, status indication, and interlocking operations in equipment, control panels, and HVAC systems. Mounted directly to the front of a compatible system, it extends the operational capability of the main switching unit without requiring separate external components. The terminal block also provides organized coil wiring connections, assist in maintaining structured electrical layouts in automation cabinets, air handling units, and compressor or control assemblies.
