Square D BJA36015 - 15 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D BJA36015 delivers dependable protection for branch circuits in panelboards and load centers. Rated at 15A and 600V with a 3-pole configuration, this plug-in molded case circuit breaker is built to stand up to everyday commercial, residential, and light industrial demands.

Designed for fast, practical installation, the BJA36015 features a plug-in connection that minimizes service downtime during panel swaps or upgrades. The thermal-magnetic trip unit provides stable, repeatable protection by combining heat-based overload sensing with magnetic short-circuit interruption, so wiring and equipment stay safeguarded across a range of loads and fault conditions.

Key advantages

• Plug-in convenience for quick installation, simplified maintenance, and effortless replacements in compatible Square D OEM panels.
• Thermal-magnetic protection delivers coordinated overload protection plus instantaneous action on short circuits.
• 3-pole, 15A at 600V suitable for 3-phase distribution and mixed-load circuits in commercial and light-industrial environments.
• OEM panel compatibility designed to fit matching Square D loadcenters and panelboards for reliable, code-compliant operation.
• Compact molded-case design minimizes panel fill while delivering robust interruption capability.

Scenarios and use cases

Use this breaker in service panels and load centers that require fast replacement, such as retrofits in office suites, retail spaces, or small manufacturing setups. It’s well-suited for protecting lighting circuits, receptacle banks, and modest motor loads in 3-phase systems where a dependable 15-amp protection is needed.

Why choose Square D BJA36015 over generic breakers? The answer lies in precise thermal-magnetic coordination with Square D OEM equipment, ensuring predictable trip characteristics, easier troubleshooting, and alignment with industry standards for safety and reliability.

Technical snapshot

• Manufacturer: Square D
• Part Number: BJA36015
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection