JGA36200 SQUARE D 3P 200A 600V 18KA I LINE

The I-Line system is Square D's stab-in (plug-on) mounting design used in commercial and industrial panelboards and switchboards. The JGA36200 must be installed in an I-Line–rated enclosure with a bus bar that accepts the JGA frame size. It is not interchangeable with Square D's QO or Homeline clip-in systems. If you're unsure whether your switchboard is I-Line compatible, share the panelboard model with us and we'll verify.

Square D's JGA-frame I-Line breakers have seen product-line transitions over the years, and certain configurations may be difficult to source through standard distribution channels. Northern Breaker Group specialises in obsolete and hard-to-find breakers — if the JGA36200 is discontinued or on long lead time, we can locate new, surplus, or reconditioned units. Contact our Calgary, Edmonton, or Vancouver counter for availability.

Yes — the JGA36200's 200 A, 600 V, 3-pole rating is well suited for protecting three-phase feeder circuits in Canadian commercial and light-industrial applications. Its 18 kA interrupting capacity must be verified against the available fault current at the point of installation; if your system's short-circuit current exceeds 18 kA, a higher-rated JGA-frame variant would be required. Always confirm with your electrical engineer or authority having jurisdiction (AHJ) to ensure compliance with the Canadian Electrical Code.