The Hubbell Type 4272 Solid State Magnet Controller is for use with DC Generators utilizing 24 VDC Fields. It can be used with all types and makes of lifting magnets. It assures fast and clean release of all type of magnet loads.

All or part of the load may be dribbled if desired. In addition, the magnet and magnet leads are not subjected to high induced voltages. Also, ground fault protection is included as a standard feature.

Standard Features:

• Automatically discharges magnet
• Compact size makes installation simple; requires
only a few control wires
• No moving parts to replace; 100% solid state.
• Replacement parts are plug and play
• Rated for 100% Duty Cycle
• Generator speed independent-plus 40% and minus
20% of generator speed
• Dynamic Field Controller with Closed Loop for fast
response
• No external relays, transformers or control devices
required for installation
• Works with existing push button or master switch
• Reduces Generator Brush wear with Electronic Lift/
Drop Switching
• Soft field charge increases magnet life
• Increased fuel efficiency of the primary mover
• Nema Type 4 enclosed