GE 45 Amp Molded Case Circuit Breaker THED124045 - 45 A, 480 V, 2-Pole Circuit Breaker | AmpState

Introducing the GE THED124045, a 45 Amp Molded Case Circuit Breaker engineered for reliable overcurrent and short-circuit protection in panelboards and load centers. Rated for 480 volts and configured as a 2-pole device, this breaker is a precise, space-conscious solution for demanding commercial and light industrial electrical installations.

• Compact molded case design minimizes footprint while maximizing usable panel space, making it ideal for crowded or retrofit panel installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection characteristics across varying loads and fault conditions, reducing nuisance trips and helping you maintain uninterrupted operation.
• OEM-ready compatibility designed to pair with GE OEM load centers and panelboards for straightforward installation and dependable performance.
• Versatile application suitable for residential-feeder sections as well as commercial and light industrial panel systems that demand robust 2-pole protection at 480V.
• Durable, field-reliable construction built to endure the demands of panelboard environments, with precise trip coordination to protect downstream circuits.

Technical profile at a glance

• 45A
• Voltage rating: 480V
• Poles: 2
• Type: Thermal-magnetic molded case circuit breaker
• Part number: THED124045
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Why choose this GE molded case breaker for your panel upgrade

For facilities upgrading to higher voltage distribution or expanding their panel infrastructure, the THED124045 offers precise protection where space and reliability matter most. Its two-pole design is ideal for protecting 480V circuits common in commercial environments, while the thermal-magnetic trip mechanism adapts to load fluctuations—delivering consistent protection without overshooting or undercutting fault thresholds.

Practical use cases

- Replacing an aging or incompatible breaker in GE-made panelboards to ensure seamless operation and full protective coordination.

- Adding a dedicated 480V circuit for equipment racks, motors, or HVAC controls in light industrial settings where dependable trip performance is essential.

- Retrofit projects in commercial buildings where space optimization and compatibility with existing GE load centers are priorities.

Installation and compatibility tips

Ensure you match the GE OEM load center or panelboard model to maintain proper fit and protection coordination. If you’re upgrading from a different series, verify mounting and trip curve compatibility to preserve accurate fault sensing and tripping behavior. This unit is designed to slot into compatible GE assemblies, delivering a straightforward replacement path with minimal panel disruption.

With the GE THED124045, you get a purpose-built, 2-pole solution that safely governs 45 amps at 480 volts, reinforces panel integrity, and delivers long-term reliability for critical electrical infrastructure.