GE 125 Amp Molded Case Circuit Breaker TQD32125ST1 - 125 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the GE 125 Amp Molded Case Circuit Breaker TQD32125ST1—a robust, bolt-on solution engineered to protect your electrical system from overcurrent and short circuits. Designed for dependable performance in panelboards and loadcenters, this 3-pole breaker delivers consistent protection for residential, commercial, and light industrial applications.

Why this breaker stands out

• Secure bolt-on mounting creates a rigid, vibration-resistant bus connection, helping maintain reliable protection even in environments with movement or equipment vibration.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal overload sensing with instantaneous magnetic trip for short circuits—reducing nuisance trips and ensuring rapid response when circuits spike.
• OEM-compatible design is ready to pair with matching GE OEM loadcenters and panelboards, simplifying upgrades, replacements, and panel refurbishments.
• 3-pole configuration supports three-phase circuits, making it ideal for equipment and loads that require balanced, comprehensive protection.

Technical specifications at a glance

• Amperage rating: 125 A
• Voltage rating: 240 V
• Poles: 3
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Part number: TQD32125ST1
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading or replacing breakers in residential panelboards to improve reliability and protection margins for main distribution runs.
• Commercial panels where a sturdy bolt-on solution is required to handle higher loads and potential vibration from HVAC, lighting, and office equipment.
• Light industrial applications that demand dependable short-circuit protection for equipment motors and control circuits.
• Retrofits and panel refurbishments where OEM compatibility simplifies installation and maintains electrical system integrity.

Installation and compatibility notes

Designed to pair with matching GE OEM loadcenters and panelboards, the TQD32125ST1 simplifies replacement tasks and ensures consistent performance within GE‑compatible assemblies. When installing, follow the panel and GE installation guidelines, and apply the appropriate torque and mounting practices to maintain the integrity of the bolt-on connection and trip mechanism.

What problems this solves

• Prevents damage from overcurrent and short circuits by delivering precise, reliable fault protection.
• Minimizes nuisance trips caused by vibration or minor load fluctuations through a stable thermal-magnetic trip curve.
• Streamlines panel upgrades and maintenance with OEM-compatible design, reducing compatibility concerns during replacement.

Whether you’re outfitting a new panelboard, replacing an aging breaker, or performing a calculated upgrade to support higher-demand circuits, the GE TQD32125ST1 125 A, 240 V, 3-pole bolt-on molded case circuit breaker offers dependable protection, solid mounting, and peace of mind for your electrical system.