Magnet Controls

Emergency Power Supplies (Battery Back-Ups)

Ohio Magnetics’ on-line type emergency power supplies provide instantaneous backup power to 230 VDC lifting magnets that will safely hold loads in the event of a power failure for your specified holding time.


  • 5, 10, 15, 20-, 30-, 45- and 60-minute holding times
  • Heavy duty industrial batteries in a separate enclosure
  • Batteries charge from main power.  Variable volt systems require separate battery charger.
  • Instant transfer to-on-line battery power
  • Trickle charging
  • Battery disconnect switch with fault sensing
  • NEMA 12 control enclosures
  • Local display with alarm horn and visual operation indicating lamps
  • 180 VDC end voltage

Optional Features:

  • Nickel – cadmium batteries
  • Boost charging
  • Separate battery charger
  • 115 VDC system voltage
  • Optional battery enclosure heaters