The Metron and Metron Eledyne MP600 is a state of the art microprocessor based High Voltage Fire Pump Controller.
The primary control element in the MP600 is a fixed mount style vacuum bottle contactor with isolating disconnect switch. Integral to the disconnect switch are "R" rated current limiting cartridge style fuses. To comply with FM, spare fuses must be provided within the controller.
The MP600 has both front and rear access. Front access is for easy access to the control circuits. Rear access is provided for termination of the incoming power and termination of the motor connections. Incoming power and motor connections enter through the bottom of the controller enclosure.
Now FM Approved to class 1321/1322 and is UL listed.