GE THED113020 - 20 A, 277 V, 1-Pole Circuit Breaker | AmpState

Meet the GE THED113020 — a 20A, 277V, 1-pole molded case circuit breaker built to protect your panelboard or loadcenter with precision and reliability. Designed for dependable branch circuit overcurrent and short-circuit protection, this breaker helps keep your electrical system safe and running smoothly.

• Compact molded case design maximizes panel space, making room for future circuits without crowding your enclosure.
• Thermal-magnetic trip unit delivers stable, repeatable protection: the thermal element reacts to gradual overloads, while the magnetic element responds quickly to short circuits, reducing damage and downtime.
• OEM-compatible engineered to pair seamlessly with matching GE load centers and panelboards for straightforward installation and dependable performance.
• Versatile for multiple environments ideal for residential, commercial, and light industrial circuits powered by 277V, including lighting and equipment power distribution.
• Trusted GE quality built to withstand demanding use, with consistent trips and long-term reliability in panel installations.

Technical specifications at a glance:

• Manufacturer: GE
• Part number: THED113020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 20A
• Voltage rating: 277V
• Number of poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios:

• Upgrading a commercial panelboard to add reliable 277V lighting circuits in offices, retail spaces, or warehouses.
• Providing durable protection for 277V HVAC or other equipment in light industrial settings.
• Replacing an aging breaker in a residential subpanel where 277V service is present due to shared infrastructure.

Why this GE 1-pole breaker stands out: it combines space-efficient design with fast, predictable protection, all within GE’s trusted panel ecosystem. If you’re standardizing on OEM components to minimize maintenance surprises and maximize panel performance, THED113020 offers clear, consistent trips, reduced nuisance tripping, and straightforward service when needed.