A complete motor protection concept

Manual motor starters are electromechanical protection devices for the main circuit. They are used mainly to switch motors manually ON/OFF and to provide fuse less protection against short-circuit, overload and phase failures. Fuse less protection saves costs, space and ensures a quick reaction under short-circuit condition by switching off the motor within milliseconds. Starter combinations are setup together with contactors.

 

Main benefits

• Harmonized main accessory range (auxiliary contacts, signal contacts, shunt trips and undervoltage releases) for MS1xx and MO1xx family

• Compact design
• Efficient planning and installation perfectly matching the ABB contactor family
• Simple connecting links ensure electrical and mechanical connection to build direct-on-line starters
• Less machine downtime by protecting motors and reduced trouble shooting 
• Reduction of maintenance expenditures by protecting motors

Main features

• Manual control / short-circuit current and overload protection
• Adjustable current setting for overload protection and magnetic trip indication
• Disconnection function
• Temperature compensation
• Remote control via undervoltage release or shunt trip
• Short-circuit service breaking capacity Ics up to 100 kA.

MOTOR BREAKER Model