GE THHQB32040 40A 3P 240V Circuit Breaker, Bolt-On | AmpState

The GE THHQB32040 is a bolt-on circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution systems. With a 40 A rating, 3 poles, and 240 V, this unit is tailored for three‑phase applications where reliable short-circuit and overload protection is essential. Designed with retrofit in mind, it helps maintain a consistent part number across maintenance cycles, reducing downtime and inventory complexity.

• Amperage: 40 A
• Poles: 3
• Voltage: 240 V
• Mounting: Bolt-On
• Part Number: THHQB32040
• Type: Circuit Breaker
• Ideal for: Panelboards, load centers, and electrical distribution networks

Why this bolt-on GE breaker stands out is its retrofit-friendly design. If you’re upgrading existing gear or planning maintenance where the part number must stay the same, THHQB32040 offers a straightforward, secure fit that minimizes disruption. The bolt-on mounting delivers robust contact and dependable performance in demanding electrical setups, making it a practical choice for commercial spaces, industrial panels, and service entrances that rely on consistent protection characteristics.

Practical use cases

• Upgrading legacy panelboards where a matching 3-pole, 240V, 40A protection device is required
• Maintenance planning for facilities with strict part-number continuity to avoid ordering errors
• Three-phase distribution scenarios in commercial or light industrial environments

How this compares and who it’s for

Compared to generic, single-purpose breakers, the THHQB32040 is purpose-built for environments that demand dependable bolt-on installation and alignment with an existing protection scheme. It’s ideal for electrical technicians and facilities teams who value clear specifications, straightforward ordering, and predictable replacement outcomes when servicing GE panelboards and load centers.

Support and compatibility

Need help matching a part number or confirming compatibility with your setup? Message AmpState, and we’ll help you verify fit and ensure the THHQB32040 is the right choice for your GE panelboard or load center. This item is readily available from AmpState, making it easier to source the exact component you need for timely maintenance and upgrades.