ABB AC Contactor And MPCB

A 9 contactors are mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC or 220 V DC. The contactors can also be used for many other applications such as isolation, capacitor switching, lighting.

The A... series 1-stack 3-pole contactors are of the block type design:

• Main poles and auxiliary contact blocks: 3 main poles, 
• 1 built-in auxiliary contact, 
• front and side-mounted add-on auxiliary contact blocks - Control circuit: AC operated with laminated magnet circuit - Accessories: a wide range of accessories is available.