General Electrics TMQD32125 - 125 A, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the General Electrics TMQD32125 — a 125 A, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit protection for panelboards and loadcenters. Built to maintain protective integrity in everyday electrical environments, this unit ensures reliable performance when it matters most.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping to maintain consistent alignment and protection even in panels subjected to routine vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and temperatures, quickly responding to both sustained overcurrent and short-circuit events.
• OEM-compatible design works with matching load centers and panelboards, making upgrades, replacements, or replacements straightforward without sacrificing protection quality.
• Versatile for multiple settings ideal for residential, commercial, and light industrial applications where reliable overcurrent and short-circuit protection is essential.

Core specifications at a glance

• Manufacturer: General Electrics
• Part number: TMQD32125
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125 A
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical benefits

In a residential subpanel, the TMQD32125 provides dependable protection for feeder and branch circuits, reducing the risk of nuisance trips while guarding against damaging faults. In commercial environments, it helps maintain critical loads—lighting, HVAC controls, and small motors—by quickly isolating faults and preventing cascading failures. For light industrial setups, its robust bolt-on mounting and reliable trip characteristics translate to longer service life and easier maintenance in vibration-prone panels.

Designed for compatibility with matching OEM loadcenters and panelboards, this breaker simplifies the upgrade path from older or worn devices. The result is safer, more predictable operation with fewer panel-wide disturbances during fault events.

Whether you’re replacing a failed unit, stocking a new build, or upgrading a panel for improved protection, the General Electrics TMQD32125 delivers clear, tangible value: robust mechanical mounting, precise thermal-magnetic protection, and OEM-aligned compatibility that keeps your electrical system operating smoothly.