Square D PowerPact H, J and L-frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits  Molded case circuit breakers are available with either thermal-magnetic or Micrologic electronic trip units. L-frame breakers are performed only with Micrologic electronic units The motor operator remotely operates the circuit breaker featuring easy and sure operation This field installable Motor operator with rated voltage of 110/130VAC 50/60Hz is for use with PowerPacT H-frame ciruit breakers. This accessory provides double insulation front face, suitability for isolation and remains padlocking possible along with all visible circuit breacer indications and information such as trip unit settings and circuit breaker condition.