3SRA1 series motor protectors

• Upgraded relay to protect motor

• Overload, phase failure, protection phase, unbalance protection

• Used in Industry control system

Features

• Microprocessor based

• Overload, phase failure, rotor-locked, unbalance protection

• Current setting by potentiometer

• Tripping class selectable

• LED indication for three phase current

• Can be started without load

Technical specifications