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FF phase sequence and phase loss relay CKF-337 1P 10A 0.2–5 s 20–60 V
Summary description:
Electromechanical/electronic phase sequence and phase loss relay FF CKF-337 for single-pole (1P) installations. Detects phase loss and phase asymmetry, supports supply voltage 20–60 V and switching current up to 10 A. Adjustable time delay 0.2–5 seconds. Used to protect motors and three-phase equipment from incorrect phase order, phase failure and unbalanced supply.