WIRING DIAGRAMS
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5) Instantaneous left undervoltage coil - YU (1) 6) Left undervoltage coil with electronic time-delay device outside the circuit-breaker - YU (2) 7) Instantaneous left undervoltage coil in the version for machine tools with a contact in series - YU (1)
(1) Up to 380-440V YU version (2) Up to 250V YU version
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