ABB Auxiliary Contact, Screw Terminal, 600V DC / 690V AC Contact Voltage Rating - CA4 Series - CA4-22E Increase your electrical capacity by connecting this 4-pole auxiliary contact from ABB to your primary switching components. It works in tandem with linked equipment and helps pass circuit data to logic controllers. A high voltage grade of 600V DC/690V AC makes this device suitable for use with demanding systems. You'll find it takes up little space on densely packed distribution boards thanks to small dimensions of 43 (W) x 43 (H) x 39.5mm (D). It also benefits from an IP20 rating, indicating it's a touch-proof product that boosts workplace safety. Features & Benefits • Screw terminals for a secure fitting to prevent accidental disconnections
• Lightweight component at only 55g puts minimal strain on equipment
• Front mounting gives easy access for maintenance Applications • Push button controllers
• Relay logic circuits
• Electric motors
• Industrial automation What different types of auxiliary contact block are there? There are NC contacts for non-activated states – which are used as interlocks – and NO contacts, which are suitable for switching components. This component has two NO and two NC contacts. Can an auxiliary contact control processes? No. Auxiliary contacts work in conjunction with main relays, contacts, circuit breakers or switches, which perform control functions.