Circuit Breakers

PowerPacT B-Frame brings thermal-mechanical circuit protection in a compact size and offers a wide range of accessories, auxiliaries, and connection options. This PowerPacT B-Frame circuit breaker provides thermal magnetic circuit protection with a...

PowerPacT J-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT J-Frame circuit breakers are available with either thermal magnetic or MicroLogic electronic trip protection units...

E Frame thermal magentic circuit breakers are for use in NF panelboards. These circuit breakers will protect against overload and short circuit conditions. Breakers have a trip indicator. This bolt on circuit breaker has a maximum voltage rating of...

PowerPacT H-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT H-Frame circuit breakers are available with either thermal magnetic or Micrologic electronic trip protection units...

QO and QOB one, two, and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on AC systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive...

PowerPacT H-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT H-Frame circuit breakers are available with either thermal magnetic or Micrologic electronic trip protection units...

PowerPacT P-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT P-Frame circuit breakers have either a fixed long time electronic trip unit, ET 1.0I, or Micrologic trip units...

This lug kit is for PowerPacT L circuit breakers. This PowerPacT L, mechanical lug is a connection accessory with a rated current of 400A and is made of copper. The lugs accept 2 AWG to 600kcmil copper conductors. The lugs comply with UL and CSA...

QO and QOB one, two, and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on AC systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive...

PowerPacT H-Frame motor circuit protectors (MCP) are instantaneous-trip circuit breakers designed to offer short circuit protection for motors. The unique design of the PowerPacT MCPs accommodates transient motor inrush current without nuisance tripping...

PowerPacT H-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT H-Frame circuit breakers are available with either thermal magnetic or Micrologic electronic trip protection units...

Square D Q4 molded case circuit breakers provide thermal magnetic protection. Their primary function is automatic opening of a circuit under overload or short circuit conditions or manual opening. Q4 circuit breakers can be used for multiple applications...

The PowerPact H-, J-, and L-frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. H- and J-frame circuit breakers are available with either thermal-magnetic or Micrologic electronic trip...

PowerPacT H-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT H-Frame circuit breakers are available with either thermal magnetic or Micrologic electronic trip protection units...

PowerPacT J-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT J-Frame circuit breakers are available with either thermal magnetic or MicroLogic electronic trip protection units...

PowerPacT H-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT H-Frame circuit breakers are available with either thermal magnetic or Micrologic electronic trip protection units...

The PowerPact H-, J-, and L-frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. H- and J-frame circuit breakers are available with either thermal-magnetic or Micrologic electronic trip...

PowerPact J-Frame accessory circuits exit the circuit breaker using one to three secondary disconnecting blocks (nine wires each). Circuit breaker connection wires for the options installed with trip unit exit through the automatic secondary...

QOUR miniature molded case circuit breakers are intended for use in residential and commercial applications. These circuit breakers are unit mount thermal magnetic circuit breakers. QOU breakers will automatically open a circuit under overload or short...

QOU unit mount miniature circuit breakers (cable-in/cable-out) are ideal for OEM applications. QOU breakers are one, two or three pole thermal magnetic circuit breakers which provide overcurrent protection and switching on ac and dc systems. These...