Square D BJA36020 ILine NSB Industrial Circuit Breaker

The Square D PowerPact BJA36020 I-Line molded-case circuit breaker is a 3-pole, 20-amp device built for industrial panelboards and distribution gear, rated for 600Y/347 VAC three-phase service. It uses a thermal-magnetic trip for both overload and short-circuit protection and features I-Line plug-in mounting on the PowerPact B-frame family, enabling straightforward installation and quick replacement in compatible panels. The unit provides a 25 kA interrupting capability at the rated voltage, supporting dependable fault-current protection in moderate to high-demand industrial environments. Its design includes load-side mechanical lug terminals for secure wiring and a compact molded-case construction that fits into standard industrial enclosures, making it suitable for machine control circuits, panelboard feeders, and distributed power systems that require reliable protection at 20A, 600Y/347VAC. As part of Square D's PowerPact B family, it offers a slim I-Line profile that simplifies panel layouts and reduces installation time in busy industrial facilities.