Eaton QB1025GF - 25 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton QB1025GF is a 25-amp, 120-volt, 1-pole bolt-on molded case circuit breaker designed to shield your electrical system from overcurrent and short circuits. Engineered for dependable protection in panelboards and loadcenters, it combines rugged mounting with precise protective action to keep circuits safe in daily use.

Why the QB1025GF stands out

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays reliable even in environments with movement or equipment vibration.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining reliable overload sensing (thermal) with instantaneous short-circuit response (magnetic) for quick isolation of faults.
• OEM-compatible design works with matching Eaton OEM loadcenters and panelboards, ensuring smoother installations and fewer compatibility concerns.
• Versatile for multiple sectors suitable for residential, commercial, and light industrial applications, giving you a single breaker that adapts to varied protection needs.

Who benefits most

Homeowners upgrading service panels, electricians stocking a versatile protection device for retrofit projects, and facility managers maintaining light commercial panels will appreciate the QB1025GF’s balance of simplicity and robust protection. It’s ideal for protecting branch circuits that power lighting, outlets, and small equipment where reliable interruption protection is critical.

How it protects and why it matters

The 25A rating means it guards circuits that draw higher-than-normal current without nuisance tripping, while the 120V specification aligns with standard residential and light commercial distribution. Its molded case construction helps contain fault energy, reducing wear on surrounding components, and the thermal-magnetic mechanism ensures predictable behavior across temperature variations and load conditions.

Technical highlights at a glance

• Manufacturer: Eaton
• Part Number: QB1025GF
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical tips for installation and use

For optimal performance, install the QB1025GF in an appropriate Eaton panelboard or loadcenter designed for bolt-on breakers. Always shut off power and follow manufacturer installation instructions when mounting. Plan circuits so that the 25A rating aligns with the wire gauge and load characteristics, and use the thermal-magnetic trip behavior as intended: overload conditions should be allowed to clear gradually, while short circuits should trip instantly to minimize damage and fire risk.

Compared with other protection options

Compared to plug-on or non-magnetic breakers, the QB1025GF’s bolt-on mounting provides a sturdier, vibration-resistant connection to the bus, reducing the likelihood of loose connections over time. Its thermal-magnetic trip unit offers a balanced protection strategy that adapts to changing temperatures and load conditions, delivering stable protection without frequent false trips. This makes it a reliable choice for installations where durability, ease of retrofit, and compatibility with Eaton panel ecosystems are priorities.