The Hubbell Type 4271 Solid State Magnet Controller is for use with DC Generators utilizing 230 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 -5%/+40%
•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