Square D QOB3601021 - 60 A, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB3601021 - a 60A, 3-pole bolt-on molded case circuit breaker designed to protect your panelboards and load centers from overcurrent and short-circuit events. Built for dependable branch circuit protection, this unit delivers reliable performance in residential, commercial, and light industrial settings.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration‑resistant bus connection, reducing loose connections and ensuring consistent protection even in environments with equipment vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overload conditions (thermal) and short circuits (magnetic), helping prevent nuisance trips and equipment damage.
• OEM-compatible design is engineered to work seamlessly with matching Square D load centers and panelboards, simplifying upgrades, replacements, and ongoing maintenance.
• Three-pole configuration supports multi‑wire branch circuits and balanced protection, keeping shared neutrals and three-phase systems safely monitored.

This 60A, 3-pole bolt-on molded case circuit breaker is ideal for electricians and facilities managers performing panelboard retrofits, new installations, or quick replacements in service panels, subpanels, and load centers. Its robust mounting, precise thermal-magnetic protection, and OEM-fit design help you maintain safe, reliable electrical distribution with fewer headaches.

Key specifications at a glance

• Manufacturer: Square D
• Part number: QOB3601021
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 60 A
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Square D QOB3601021 when you need a dependable, OEM-compatible solution that combines secure installation with precise protection. It’s built to integrate smoothly into existing panelboards and load centers, delivering reliable performance where it matters most.