Related Links...   Crane Drives - Respondor 9000   Respondor DDC

For more than 100 years, Cutler Hammer has manufactured a complete line of mill duty motor control and related accessories designed for use in harsh operating environments. We continue this tradition today as we dedicate ourselves to producing the highest quality solid state and electro-mechanical products available for application in overhead traveling cranes used in primary metals production or other similar industrial applications. In addition to a comprehensive product offering, we offer technical expertise focused on innovative solutions.

Respondor 9000 -AC adjustable frequency drives ranging from ¾ to 1100HP, 240VAC to 480VAC constant torque for either open or closed loop systems with crane specific software.

Respondor DDC -Digital DC drives for use on DC bus systems to precisely control DC series or shunt would motors often found in mill environments.

Electro-Mechanical Motor Control - Complete family of DC constant potential multi-speed control, automatic reduced voltage DC starters, or AC wound rotor motor control for industrial or severe service applications.

Brakes - Used to provide holding / parking torque with rotating machinery, Bulletin GH505 electro-magnetic shoe brakes are available in standard AISE wheel sizes and torque ratings ranging from 8” to 30”, 100 lb.ft. to 9000 lb.ft.

DC Contactors and Relays - Full line of NEMA rated DC contactors from 5 amps to 1800 amps @ 600VDC. Multiple pole control and over current relays incorporating the same mill duty design characteristics as our DC contactors.

Master and Limit Switches - Step or stepless type multi-speed master switches, 50 to 500HP over travel power limit, and track type control limit round out the product family.