Square D PowerPacTH-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. This fixed toggle extensionis designed to extend the circuit breaker handle for easier manual circuit breaker operation and comes as 5 pieces in package. Designed for use with PowerPact H- and J-frame circuit breaker. The neutral current transformer is connected in the same way for unit-mount, plug-in or drawout devices, cross-sectional area is AWG 22-AWG 16.