Circuit Breakers

E-Frame Breaker are Lighting Panelboard Circuit breakers that are proven effective and reliable which provide a wide variety or robust features that are use specifically in Square D NF Panelboards. This range of breaker is ideally designed to offer...

PowerPacT M, P, and R-Frame circuit breakers offer a whole range of field installable accessories, allowing modifying the circuit breaker at any time in the design and build cycle. This undervoltage trip unit is a trip unit accessory for PowerPacT H, J...

This is a trip unit accessory for PowerPact H, J, L-Frame circuit breakers. This is an undervoltage trip unit accessory for PowerPact H, J, L-Frame circuit breakers. This accessory complies with CSA standards. This trip unit requires a tightening torque...

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 H-Frame automatic switches are a disconnect device and can be used to open and close a circuit under normal operating conditions. The automatic switches are similar in construction, use the same accessories, and offer the same connection...

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 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...

PowerPacT L-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT L-Frame circuit breakers are available with electronic trip units. All PowerPacT L-Frame circuit breakers are...

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...

This lug kit is for PowerPacT J circuit breakers. This PowerPacT J, mechanical lug is a connection accessory with a rated current of 150A to 250A and is made of copper. The lugs accept 1/0 AWG to 300kcmil copper conductors. The lugs comply with UL and...

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 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 M-Frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPacT M-Frame circuit breakers have either a fixed long time electronic trip unit or an adjustable amperage version...

Schneider Electric offers a large selection of UL Listed lugs to meet individual termination requirements. This kit is a lug replacement for K Frame circuit breakers. These aluminum lugs are rated to 250A. The lugs accept 4 AWG to 350kcmil aluminum and...

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...

PowerPacT J-Frame automatic switches are a disconnect device and can be used to open and close a circuit under normal operating conditions. The automatic switches are similar in construction, use the same accessories, and offer the same connection...

PowerPacT Q-Frame circuit breakers are used for overcurrent protection and switching on 240VAC systems. They are rated for 240VAC operational voltage and provide thermal magnetic trip protection. PowerPacT Q circuit breakers are available in 2 and 3-pole...

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 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 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...