TEB122040 - 40Amp Circuit Breaker

TEB122040 - 40Amp Circuit Breaker

If you're looking for a replacement TEB122040 circuit breaker, matching the original specifications is the first step. This 2-pole, 40-amp molded-case circuit breaker is built on the E150 frame and is intended for 120/240 VAC electrical systems. It uses a bolt-on mounting design and comes with load-side lugs. The breaker also features a non-interchangeable thermal magnetic trip unit, which responds to both overloads and short circuits to help protect the connected electrical system. Whether you're replacing a breaker during routine maintenance or getting existing equipment back into service, the TEB122040 is designed as a form, fit, and functional replacement for compatible installations. As always, it's important to verify that the frame, electrical ratings, and mounting style match your equipment before installation. Built to last, this breaker is made for continued use in compatible commercial and industrial systems.

Key Features and Benefits

• Part Number: TEB122040
• Current Rating: 40 Amp
• Poles: 2
• Type: TEB molded case circuit breaker
• Mounting: Bolt-on
• Frame: E150
• Trip Unit: Non-interchangeable thermal magnetic trip unit
• Interrupting Rating: 10kA at 120/240VAC
• Load Connection: Includes load-side lugs
• Replacement Type: Form, fit, and functional replacement for compatible equipment

Technical Specifications

• Part Number: TEB122040
• Type: TEB
• Frame: E150
• Poles: 2
• Amperage: 40 Amps
• Voltage: 120/240VAC
• Interrupting Rating: 10kA @ 120/240VAC
• Mounting: Bolt-On
• Trip Unit: Non-Interchangeable Thermal Magnetic
• Load Connection: Includes Load-Side Lugs
• Dimensions:
  • Height: 6.31 in.
  • Width: 2.75 in.
  • Depth: 3.38 in.

Material Compliance and Certifications

• Molded case industrial circuit breaker
• Thermal magnetic trip unit
• Designed for use in compatible commercial and industrial electrical distribution equipment
• Installation should be performed in equipment with matching electrical ratings and in accordance with applicable electrical codes.

Where It Works Best

• The TEB122040 is commonly found in commercial and industrial electrical distribution systems using compatible Type TEB breakers. It's often used to protect branch circuits supplying HVAC equipment, lighting panels, pumps, compressors, manufacturing equipment, and other 120/240VAC loads. When replacing an existing breaker, matching the original part number, frame size, and electrical ratings helps ensure proper fit and operation.