Eaton QBHW2020S - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Eaton QBHW2020S—a precise, dependable 20A, 240V, 2-pole bolt-on molded case circuit breaker designed to protect your panelboards and loadcenters from overcurrent and short-circuit events. Ideal for residential upgrades, commercial installations, and light industrial applications, this breaker keeps critical circuits safe with consistent performance you can trust.

• Bolt-on mounting delivers a secure, rigid bus connection that stays aligned even in busy, vibration-prone panels.
• Thermal-magnetic trip unit combines heat-based current sensing with instantaneous magnetic response for stable protection and fast fault isolation.
• OEM-ready compatibility engineered to pair with matching Eaton OEM loadcenters and panelboards, ensuring predictable behavior across installations.
• 2-pole, 240V design provides effective protection for 240V branch circuits and multi-wire configurations, reducing the risk of downstream faults.
• 20A rating is well-suited for circuits powering motors, HVAC accessories, and other 240V equipment that requires reliable interruption on fault conditions.

The QBHW2020S is built to minimize nuisance trips while delivering timely shutdown when faults occur, helping protect wiring, devices, and occupants. Its molded-case construction efficiently manages heat, maintaining consistent trip characteristics in varying temperatures and loads—so performance remains steady from installation to daily use.

Why choose the QBHW2020S in your electrical system: - Seamless integration with existing panelboards and loadcenters that share the same bus design, reducing guesswork during replacement or expansion. - Robust physical design that tolerates typical vibrations found in commercial spaces and busy installations. - Clear, reliable protection for essential 240V circuits, supporting safe operation of appliances, HVAC components, and 240V-powered equipment.

Technical snapshot

• Manufacturer: Eaton
• Part Number: QBHW2020S
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Designed for professionals who value reliability and easy service, the Eaton QBHW2020S from AmpState delivers precise protection where it matters most. Replace or upgrade with confidence, knowing your 240V circuits are shielded by a device built for durability, compatibility, and consistent performance.