General Electrics THQC1145WL - 45 A, 1-Pole Circuit Breaker | AmpState

Introducing the General Electrics THQC1145WL — a 45A, 1-pole molded-case circuit breaker designed to guard branch circuits with dependable overcurrent and short-circuit protection in panelboards and load centers. This compact, thermal-magnetic protection device is built to deliver consistent performance in a variety of environments.

Key advantages

• Compact molded-case design maximizes panel space, making it easier to fit into distribution boards without crowding neighboring breakers.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, reacting to both overloads and short circuits with reliable accuracy.
• 1-pole configuration suited for single-phase circuits, with a 45A rating to handle sizable branch loads safely.
• Compatible with matching OEM load centers and panelboards, enabling straightforward installation and dependable retrofit compatibility.
• Versatile across residential, commercial, and light industrial applications where dependable branch-circuit protection is essential.

Technical specifications

• Manufacturer: General Electrics
• Part Number: THQC1145WL
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Number of Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

In a residential panel, THQC1145WL protects a heavy-load circuit such as a workshop or HVAC subfeed where a single-phase 45A supply is required. In commercial settings, it serves as a reliable main or branch protection device for lighting, receptacle circuits, or equipment feeders on a compact panelboard. For light industrial environments, it offers robust protection for moderate power distribution without consuming excessive space.

Why choose this breaker

If you’re upgrading or stocking a panel that uses General Electrics components, the THQC1145WL provides a tightly integrated solution with OEM compatibility. Its compact form factor and precise thermal-magnetic trip behavior help minimize nuisance trips while delivering necessary protection, reducing downtime and protecting valuable equipment.

Practical tips

Before installation, verify that the panelboard or load center requires a 45A, 1-pole thermal-magnetic device and that the THQC series is the correct fit for your OEM enclosure. Use the manufacturer’s installation guidelines to ensure proper torque and electrical connections, and confirm that the circuit’s load calculations align with the 45A protection rating to maintain safe and compliant operation.