Square D PHJ36150GN

The PHJ36150GN is an I-Line busway plug-in unit built with PowerPacT H-frame circuit breaker, rated at 150A, 3 phase 4 wire and 600V AC. This PHJ36150GN features 25kA short-circuit interrupt rating at 600V, with integrated neutral and ground bus for complete 4-wire power distribution. The PHJ36150GN is designed to clip directly onto Square D I-Line sandwich busway, enabling fast installation, relocation or removal without shutting down the entire busway system.

This PHJ36150GN comes with built-in mechanical interlock, which prevents opening the unit cover when the breaker is switched on for operator safety. The PHJ36150GN delivers thermal-magnetic protection for overload and short-circuit faults, suitable for feeder and branch circuit protection in industrial and commercial power distribution systems. Maintenance crews can quickly isolate downstream loads by racking out the PHJ36150GN from the busway for inspection and troubleshooting.

The PHJ36150GN is UL listed and CSA certified, following North American electrical standards for low voltage power equipment. The PHJ36150GN is widely used in factories, warehouses and large facility distribution systems where I-Line bus duct is adopted for flexible power tapping. Many electrical contractors stock the PHJ36150GN as spare plug-in unit for retrofit and emergency replacement of existing I-Line busway installations.