{"product_id":"square-d-pja36100u44a-1000a-600v-3-pole-plug-in-circuit-breaker","title":"Square D PJA36100U44 A - 1000 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D PJA36100U44A is a high-capacity 1000A, 600V, 3-pole plug-in molded case circuit breaker designed to safeguard panelboards and load centers from overloads and short circuits. Built for demanding electrical environments, it delivers reliable, fast-acting protection where it matters most.\u003c\/p\u003e \u003cp\u003eKey features that matter in real-world installations:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e simplifies installation and replacement, minimizing downtime during panel upgrades or servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise thermal overload protection with magnetic short-circuit interruption for stable, repeatable performance across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design:\u003c\/strong\u003e provides true 3-phase protection with coordinated disconnection across all phases, reducing arc risk and ensuring comprehensive system safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e designed to work with matching Square D load centers and panelboards, helping maintain consistent trip curves and dependable system coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings where high-current branch protection and reliable main\/feeder protection are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios include serving as a main disconnect or heavy feeder protection in large panelboards, upgrading protection in commercial spaces, or enabling scalable, safe power distribution in light industrial environments. The plug-in design paired with a robust molded-case construction keeps maintenance straightforward and downtime minimal, so you can keep critical systems online with confidence.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PJA36100U44A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 1000A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the PJA36100U44A when you need robust, dependable protection for high-current panel environments, paired with the convenience of a plug-in installation and compatibility with Square D panelboard ecosystems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355357434018,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_5fd19713-b2a3-44a6-b173-e07dd838c08a.png?v=1764691511","url":"https:\/\/www.ampstate.com\/products\/square-d-pja36100u44a-1000a-600v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}