YCQ9 PC class Automatic transfer switch

The YCQ9 series PC-class Automatic Transfer Switch (ATS) is designed for AC 50 Hz systems with a rated working voltage of 400 V AC. In its 2-pole / 63 A version, it provides reliable switching between a primary and standby power source. It ensures that when the primary power fails, the load is transferred to the standby source, and when the primary returns, it restores back automatically. The switch is part of a wide range within the series that includes models from 16 A to 630 A, and supports 2P, 3P, and 4P configurations. Ideal for industrial, commercial, high-rise, and residential buildings or any critical infrastructure where uninterrupted power is essential. It meets the IEC 60947-6-1 standard.