The CA3KN40ED is a control relay featuring four normally open (NO) contacts, rated for 10A at up to 690V. It is designed for controlling electromagnetic loads, specifically suitable for AC-15 and DC-13 applications. The relay provides a standard 48V DC control circuit with no inrush current. It shares a similar design with other TeSys contactors and relays, offering a cost-effective solution for simple control applications. The device has a rated thermal current of 10A at temperatures up to 50°C and an irms rated making capacity of 110A, conforming to IEC 60947 standards.

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