General Electrics TEYL1040B - 40 A, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the General Electrics TEYL1040B—a dependable 40A, 1-pole bolt-on molded case circuit breaker engineered for reliable branch circuit protection in panelboards and load centers. Built to endure vibration and maintain solid electrical connections, this breaker is a practical choice for wiring upgrades, panel refurbishments, or replacement installs in a variety of settings.

Why the TEYL1040B stands out

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays tight through normal panel operation, reducing the risk of loose-term connections and nuisance trips.
• Thermal-magnetic trip unit provides stable, repeatable protection performance across temperature swings and load conditions, helping protect conductors and connected equipment from overcurrent and short circuits.
• OEM-compatible design is ready to pair with matching General Electric load centers and panelboards, ensuring seamless fit and reliable protection within existing systems.
• Versatile applications suitable for residential, commercial, and light industrial environments, making it a versatile choice for a wide range of panel configurations.
• 40A, 1-pole molded case construction combines compact size with robust protection for single-circuit branches, ideal for feeders, outlet circuits, or lighting runs in controlled environments.

Core specifications at a glance

• Manufacturer: General Electrics
• Part Number: TEYL1040B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the TEYL1040B when you need dependable protection for individual branch circuits within panelboards or load centers. It’s an excellent upgrade or replacement for aging breakers in residential service panels, as well as in commercial or light industrial panels where a compact, reliable 1-pole solution is required. Its bolt-on design makes installation straightforward in compatible GE OEM enclosures, helping you maintain a clean, secure bus connection from the start.

Practical considerations and tips

• Pair this 40A, 1-pole unit with matching OEM GE panelboard components to ensure optimal fit and protection performance.
• Choose bolt-on breakers when you need a robust connection that resists vibration and connection loosening over time.
• Plan circuits with the 40A rating in mind for branch feeds that may require higher protection levels while maintaining compatibility with standard residential and light commercial wiring practices.

The General Electrics TEYL1040B delivers focused protection where it matters most—protecting people, equipment, and wiring in panelboards and load centers with a trusted, OEM-compatible solution designed for long-term reliability.