GE TEYD3040B - 40 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Available from AmpState, the GE TEYD3040B is a 40A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers.

• Secure bolt-on mounting: creates a rigid, vibration-resistant bus connection that stays tight in busy electrical rooms and equipment enclosures.
• Thermal-magnetic trip unit: combines a thermal element for smooth overload protection with a magnetic trip for instantaneous response to short circuits, providing stable, repeatable protection.
• Three-pole, 480V design: ideal for 3-phase commercial and light industrial systems; protects feeders and motors on 480V networks.
• OEM compatibility: engineered to pair with matching GE OEM load centers and panelboards for seamless fit and coordinated protection.
• 40A rating: suitable for protecting branch circuits feeding equipment like compressors, pumps, and control circuits without unnecessary trips.

Technical Specifications

• Manufacturer: GE
• Part Number: TEYD3040B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who it’s for and practical use cases

Designed for 3-phase, 480V distribution, this breaker is well-suited for commercial facilities, light industrial equipment rooms, and service panels. Use it to protect three-phase motor circuits (such as pumps and compressors), HVAC feeders, and critical control circuits where reliable, predictable protection matters. The bolt-on design makes it a robust choice for installations where vibration, panel movement, or dense electrical enclosures are a concern.

What sets it apart

Unlike generic options, the TEYD3040B is tailored for compatibility with GE OEM panelboards and load centers, ensuring precise fitment and coordinated protection. Its secure bolt-on mounting minimizes loosening over time, reducing uptime risks from arcing or connection faults. The integrated thermal-magnetic trip delivers consistent performance across varying temperatures and loads, delivering clear protection boundaries without nuisance trips.