Square D QBL32110 - 110 A, 240 V, 3-Pole Circuit Breaker | AmpState

Introducing the Square D QBL32110 — a 110 A, 240 V, 3-pole molded-case circuit breaker built for dependable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. This unit combines precise protection with efficient panel utilization, making it a smart upgrade for modern electrical systems.

Key specifications

• Amperage: 110 A
• Voltage: 240 V
• Poles: 3
• Type: Thermal-magnetic molded-case circuit breaker
• Manufacturer: Square D
• Part number: QBL32110
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

• Compact molded-case design: Efficient use of panel space, helping you fit more circuits in tight load centers without compromising protection.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across a range of loads; thermal element handles gradual overloads while the magnetic element responds to short circuits.
• OEM-compatible: Engineered to pair with matching Square D OEM loadcenters and panelboards for straightforward replacements and reliable coordination with other protection devices.
• Versatile application: Suitable for residential, commercial, and light industrial environments where 240V circuits and 3-pole protection are required.

Real-world scenarios

Use the Square D QBL32110 in distribution panels and load centers where 3-pole, 240V protection is needed. Examples include:

• Feeding 3-phase equipment or 240V motors in light industrial setups.
• Protecting branch circuits in commercial offices that run 240V HVAC, pumps, or large lighting circuits.
• Upgrading aging panels to improve protection coordination and reduce nuisance trips on mixed loads.

Installation and compatibility tips

To ensure optimal performance, install the QBL32110 in Square D OEM panelboards and loadcenters designed for the QBL family. Verify that your panel’s frame type and mounting configuration are compatible, and follow standard installation practices for thermal-magnetic molded-case breakers to ensure proper trip coordination and safe disconnection during fault conditions.

Who benefits most

Electrical professionals, facility managers, and installers seeking reliable, space-efficient protection for 110 A, 240 V circuits will appreciate the QBL32110. It’s an ideal upgrade for upgrading panel capacity, improving short-circuit response, and maintaining coordination with other protective devices in residential, commercial, and light industrial projects.

Ready for upgrade

Lock in dependable protection with the Square D QBL32110 110A, 240V, 3-pole molded-case circuit breaker — a precise, compact, and compatible solution for your panelboard or loadcenter needs.