Phase sequence and phase failure sensor CKF-317 contacts: 1P, I=10A, adjustable threshold: 165-180V, 1 module

Motor protection and smooth operation of the installation

The CKF-317 phase sequence and phase failure sensor is a reliable device designed to protect electric motors powered by a three-phase network. It protects against the effects of voltage loss in one or more phases, voltage asymmetry and incorrect phase sequence – factors that can lead to motor damage or malfunctions. This ensures process continuity and minimizes the risk of downtime.

Functionality and flexible mounting

The device monitors the power supply status, reacting to irregularities with a delay of 4 seconds, which prevents false alarms caused by temporary voltage drops. Restart occurs automatically after the correct power parameters are restored. The CKF-317 has an adjustable voltage asymmetry threshold, allowing the sensitivity to be adapted to the specific operating conditions of the installation. Mounting on a standard 35 mm rail facilitates integration with the existing electrical panel, and the compact dimensions (1 module, 18 mm wide) save space.

For installers and end users

This sensor is not only protection against failures – it is an investment in the trouble-free operation of the entire installation. For installers, this means easy installation and configuration, and for end users – peace of mind and confidence that their devices are safe. A 1P (NO/NC) changeover contact allows integration with control systems and alarm signaling. The device is made of high-quality materials, which guarantees its durability and reliability in harsh industrial conditions. The use of a relay as an actuator ensures stable operation and resistance to interference.