GE TEYD3045B - 45 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

GE TEYD3045B is a 45A, 480V, 3-pole bolt-on molded case circuit breaker designed to shield your electrical system from overcurrent and short-circuit events. Built for dependable protection in panelboards and load centers, this unit keeps critical circuits safe in both new installations and replacements.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, helping maintain consistent electrical performance in demanding environments.
• Thermal-magnetic trip unit combines precise thermal overload sensing with fast magnetic short-circuit protection for stable, repeatable response across varying load conditions.
• 3-pole design supports 3-phase 480V distribution, ensuring coordinated protection across all conductors in a balanced system.
• OEM-compatible engineered to match with corresponding GE and OEM load centers and panelboards, making replacement straightforward and reducing installation complexity.
• Versatile application suited for residential, commercial, and light industrial installations where reliable 45A, 480V protection is required.

Technical snapshot

• Manufacturer: GE
• Part number: TEYD3045B
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 45 A
• Voltage rating: 480 V
• Poles: 3
• Mounting style: Bolt-on

Ideal use scenarios

In commercial or light industrial panelboards, use the GE TEYD3045B to protect feeders and branch circuits that operate at 480V in a three-phase setup. It’s an excellent choice for HVAC controls, lighting power distribution, and critical machinery circuits where predictable short-circuit interruption and reliable overload protection are essential for uptime and safety.

What makes it stand out

• Its bolt-on design reduces movement and wear on bus connections, translating to fewer maintenance concerns in environments with vibration or frequent door openings in electrical rooms.
• The thermal-magnetic trip mechanism provides a balanced response, preventing nuisance trips from mild overloads while delivering fast clearance during short circuits.
• OEM compatibility means straightforward replacements without adapters or custom fittings, shortening downtime during service or upgrades.

Practical tips for installation and use

• Plan around a 3-phase 480V distribution strategy; ensure your panelboard or load center is designed to accept a 3-pole bolt-on breaker of this rating.
• Follow standard electrical drawing practices to align the breaker with the equipment’s protection zones and labeling conventions.
• Periodically inspect mounting hardware and bus connections to maintain the integrity of the bolt-on connection in environments with temperature fluctuations or vibration.

When you need proven, reliable 3-pole protection for 480V systems, the GE TEYD3045B from AmpState delivers a robust solution with clear trip characteristics and installer-friendly compatibility. It’s built to safeguard your critical loads with precision, making it a strong choice for electrical professionals managing panelboards and load centers across residential, commercial, and light industrial settings.