General Electric | TEY340AS1A | Circuit Breaker | 40A | 3-Pole | 480V | Bolt-On

The General Electric TEY340AS1A Circuit Breaker is a rugged, bolt-on protection solution designed for 480V, 3-pole distribution in demanding industrial environments. With a precise 40A rating, this unit delivers dependable overcurrent protection for critical equipment, motor feeders, and panel upgrades where exact specifications matter.

Specifications at a glance

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 480V
• Mounting: Bolt-On
• Part number: TEY340AS1A

Notes: Confirm fit and ratings before ordering. The part number TEY340AS1A is the best reference for compatibility with your panel or equipment.

Why this GE circuit breaker stands out

Designed for maintenance, retrofit, and replacement scenarios, the TEY340AS1A offers a straightforward bolt-on installation that fits compatible GE TEY-series panels and enclosures. Its 40A current rating makes it well-suited for protecting motor circuits, feeders, and distribution lines in mid-sized industrial settings, helping to prevent costly faults while keeping downtime to a minimum.

Ideal applications

• Retrofits to bring older panels up to current protection standards without extensive rewiring
• Maintenance replacements in 480V distribution networks
• New installations that require a precise 40A, 3-pole, 480V bolt-on breaker within GE-compatible systems
• Motor control centers and large equipment feeders where reliable overcurrent protection is essential

Installation and compatibility tips

To ensure a smooth fit, match the TEY340AS1A to a panel that supports bolt-on 3-pole breakers at 480V. Before ordering, verify that the panel’s labeling, bus configuration, and required mounting style align with the TEY340AS1A specifications. When installing, disconnect power and follow the panel manufacturer’s torque and mounting guidelines to secure the breaker properly. Keep a spare TEY340AS1A on hand for quick replacements during scheduled maintenance or retrofits.

Who benefits most

Electrical maintenance professionals, panel builders, and industrial facilities that operate 480V systems will appreciate the precise spec match and straightforward bolt-on installation of the TEY340AS1A. It’s an ideal choice for engineers and technicians seeking a reliable GE breaker that aligns with existing gear without sacrificing performance or safety.