General Electric | TEYH3040B | Circuit Breaker | 40A | 3-Pole | 277V | 35kA | Bolt-On

General Electric TEYH3040B Circuit Breaker is a purpose-built protection device designed for reliability in commercial and light industrial electrical systems. This 40A, 3-pole bolt-on breaker is engineered to manage three-phase circuits with a 277V supply, delivering solid overcurrent protection when it matters most. Key specifications at a glance

• Amperage: 40 A
• Poles: 3-Pole
• Voltage: 277V
• Interrupting rating: 35 kA
• Mounting: Bolt-On
• Part number: TEYH3040B

Why this GE circuit breaker stands out

Designed specifically for three-phase systems, the TEYH3040B aligns with GE’s legacy of dependable electrical protection. The 40A rating is well-suited for circuits feeding motors, HVAC equipment, and other controlled loads in commercial settings, while the 277V rating matches common lighting and distribution configurations in office buildings, shopping centers, and warehouses. With a robust 35 kA interrupting capacity, it offers strong fault-current protection without premature tripping in typical installations.

Ideal use cases

• Maintenance: swap-in replacement for aged or worn breakers in GE-compatible panels
• Retrofit: upgrade panel protection to modern, reliable trip characteristics
• Replacement: exact specification match for systems originally equipped with TEYH-series breakers

Installation and compatibility notes

Before ordering, verify fit and ratings against your panel or listed electrical specifications. The TEYH3040B is best referenced by its part number for compatibility checks, ensuring you maintain the intended trip curve and mounting footprint. The bolt-on design facilitates secure, straightforward installation in compatible GE panels, helping minimize downtime during service or upgrades.

Practical tips for optimal performance

• Document the panel model and existing breaker family to ensure seamless replacement with the TEYH3040B
• Handle with care and confirm all connections are clean and torqued to equipment standards
• Store spares in their original packaging and avoid exposing breakers to extreme temperatures or moisture

For projects requiring dependable three-phase protection at 277V with a 40A load and a secure bolt-on mount, the General Electric TEYH3040B is a precise, durable choice. Rely on the part number TEYH3040B to confirm exact compatibility and maintain consistent electrical protection across your commercial or light industrial installations.