ABB CA4-40E

The ABB CA4-40E auxiliary contact is a reliable front-mount device designed for versatile industrial applications, distributed by BSP Automation. This contact block supports a voltage rating up to 690 V and handles various amperage levels depending on the voltage and current type—for instance, it can manage 6 amps at 24/127 VAC and up to 6 amps at 24 VDC. Its robust design allows for frequent switching, with electrical switching rated at 1200 cycles per hour and mechanical switching up to 3600 cycles per hour, making it a solid choice for demanding environments.

The wiring options are flexible, accommodating rigid wires from 1 to 2.5 square millimeters, as well as flexible cables with insulated or non-insulated ferrules, and connection via bars or lugs up to 8 mm. The recommended tightening torque is 11 inch-pounds, with a wire strip length of 10 millimeters to ensure secure and reliable terminations. Equipped with four normally open auxiliary contacts, the CA4-40E is a real workhorse—sometimes called the 471523130145 in catalogs.

If you’re looking for an auxiliary contact that combines durability and performance without any fuss, this unit is a solid pick distributed through BSP Automation channels. It’s definitely a great piece of kit for your control panel setups.