The Auxiliary Contact Blocks Are Used For The Operation Of Auxiliary Circuits And Control Circuits For Standard Industrial Environments. Types Of Auxiliary Contact Blocks For Front Mounting:. CA4 1 Or 4-Pole Block, With Instantaneous N.O., N.C. Contacts. CC4 1-Pole Block, With N.O. Leading Contact Or N.C. Lagging Contact. CAT4 2-Pole Block, With Instantaneous N.O. + N.C. Contacts And A1 / A2 Coil Terminal Connection On Front Face. Select The 4-Pole Auxiliary Contact Blocks CA4-..E, CA4-..M, CA4-..U Or CA4-..N Type, According To The Contactor Or Contactor Relay Type For Compliance With The Standard Requirements (See “Terminal Marking And Positioning”). Types Of Auxiliary Contact Blocks For Side Mounting:. CAL4 2-Pole Block, With Instantaneous N.O. + N.C. Contacts. For Clipping Onto The Right- And/Or Left-Hand Side Of The Contactors. The Auxiliary Contact Blocks Are Equipped With Screw Type Connecting Terminals Delivered Open, Protected Against Accidental Direct Contact And Bear The Corresponding Function Marking.

• · Auxiliary Contact Block