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Hubbell Industrial
Movable Bridge Controller & Accessories

Hubbell Industrial Controls, Inc. manufactures a variety of engineered control systems and accessories for all types of movable bridges, including:

AC Motor Controllers

• Primary thyristor static reversing for use with wound rotor motors
• Stepped magnetic contactor/resistor for use with wound rotor motors 
• AC Vector controllers for use with squirrel cage motors
• Manual drum controllers for use with wound rotor motors

DC Motor Controllers

• DC constant potential stepped magnetic reversing or reversing/dynamic braking controllers for use with series wound motors
• DC constant potential stepped magnetic controllers for use with shunt wound motors

Controller Accessories:

• Primary and Secondary Resistors
• Tachometer/overspeed switch
• Operators consoles
• Limit switches, both cam and rotary geared
• Power transfer switches
• Bridge communications equipment

Hubbell has become the leader in providing control solutions for movable bridge controls

The Type 4922C S2MC primary thyristor static reversing controller system provides speed regulated control of lift bridges with wound rotor motors.  The Type 4922C system includes the controller and for separate mounting the Type 5410 tachometer/overspeed switch assembly and Type 3000 secondary resistor.

Type 4660 Lift Bridge operator console for a four (4) leaf bridge  with stainless steel top.