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FF PSR-440 Modular Rotary Changeover Switch I-0-II 40A 4P
Summary description:
The FF PSR-440 is a 4-pole modular rotary changeover switch designed for I-0-II (mains-generator) switching applications. With a rated current of 40A, this device ensures reliable manual power source selection in electrical distribution systems. Its compact modular design allows for easy DIN-rail mounting, making it an essential component for residential and industrial power management setups requiring safe and efficient switching between power supplies.