P&H 100A2940-8 Type EIR Master Switch is an industrial control switch designed to isolate power in 600 VAC electrical systems. With model 100A2940-8 and Type EIR, this unit provides a centralized point to disconnect the main supply to a circuit or equipment. Manufactured by P&H, it is intended for use as the primary on/off control in electrical panels and industrial installations where safe, controlled isolation is required.
