general switch with door interlock
three-phase power supply 400V 50 / 60Hz
powers up to 7.5kW
transformer for 24 vac auxiliary circuit
primary and secondary protection fuses
contactors for starting motors
pump protections with magnetothermic motor protectors
selectors for MAN-0-AUT control, pumps running
electronic relay alternation pumps
parallel running pumps
running and engine failure warning lights
no water warning light, dry running
alarm silence button
terminals for connection of 4 pressure switches
pressure switch for pump running
pressure switch for pump stop