GE THQB32020ST1 20A 3P 240V Circuit Breaker, Bolt-On, Shunt Trip | AmpState

GE THQB32020ST1 is a 20A, 3-pole, 240V circuit breaker designed for dependable protection in panelboards, load centers, and electrical distribution systems. This bolt-on unit includes a built-in shunt trip, enabling rapid remote disconnection for safety-and-control scenarios in commercial and industrial environments.

• Amperage and voltage: 20 A, 3 poles, 240 V for balanced, three-phase protection where it matters most.
• Mounting style: Bolt-on installation for straightforward field swaps and retrofit projects.
• Shunt trip capability: Remote tripping support to meet safety protocols, automation sequences, and emergency shutdown requirements.
• Part compatibility: Precisely identified as GE THQB32020ST1, a dependable option when a consistent part number is essential for maintenance planning.
• Application scope: Ideal for panelboards, load centers, and electrical distribution networks where space, reliability, and clear protection signals are priorities.
• Availability: Ready to ship from AmpState, simplifying procurement for ongoing retrofit or replacement programs.

Why this breaker stands out for retrofit and maintenance projects: when projects require a stable, easily identifiable part number to streamline ordering and inventory, THQB32020ST1 minimizes delays. The bolt-on design reduces installation time on crowded panels, while the shunt trip adds an essential safety layer for systems that demand rapid, automated isolation.

Use cases and practical applications

- Retrofit and upgrade projects in commercial facilities where a 3-pole, 240V protection scheme is required.
- Systems that rely on remote signaling or automatic shutdown sequences, such as building management systems or safety interlocks.
- Maintenance planning where inventory consistency and quick replacements are critical to minimize downtime.

Who benefits most: electrical contractors, facilities maintenance teams, and engineers responsible for ensuring reliable, code-compliant protective devices in panelboards and distribution networks.

Tips for installation and care

1. Confirm panel compatibility and wiring configuration before replacement to ensure correct fit and safe operation.
2. Utilize the bolt-on mounting for a secure, code-compliant installation with minimal field modification.
3. Incorporate the shunt trip into your control circuits or safety interlocks to maximize the speed of isolation during faults or emergencies.
4. Test the trip function after installation to verify proper operation and response to remote signals.
5. Document the part number (THQB32020ST1) in your maintenance logs to support future replacements and retrofit planning.

If you need help matching this part number to a specific panel or confirming fit, our team is ready to assist—message us and we’ll help confirm compatibility and next steps.