{"product_id":"square-d-h366n-heavy-duty-safety-switch-600a-3-pole-600vac-fusible-disconnect-neutral-included-nema-1-indoor-enclosure","title":"Square D H366N Heavy Duty Safety Switch – 600A – 3 Pole – 600VAC – Fusible Disconnect – Neutral Included – NEMA 1 Indoor Enclosure","description":"\u003cp data-start=\"157\" data-end=\"679\"\u003eThe Square D H366N Heavy Duty Safety Switch is a high-capacity fusible disconnect switch engineered for commercial, industrial, and power distribution applications requiring dependable equipment isolation and overcurrent protection. Manufactured by Schneider Electric under the Square D brand, this heavy-duty safety switch features a 600A current rating and a maximum operating voltage of 600VAC, making it suitable for large electrical distribution systems and high-horsepower equipment installations.\u003c\/p\u003e\n\u003cp data-start=\"681\" data-end=\"1084\"\u003eDesigned with a 3-pole, 3-phase configuration and a factory-installed neutral, the H366N provides a safe and effective means of disconnecting electrical power while supporting systems that require a neutral conductor. When equipped with the appropriate fuses, the switch delivers reliable short-circuit and overcurrent protection for feeders, service entrances, motor circuits, and industrial equipment.\u003c\/p\u003e\n\u003cp data-start=\"1086\" data-end=\"1373\"\u003eThe switch incorporates a quick-make, quick-break operating mechanism that ensures positive switching action and enhanced operator safety. Its heavy-duty construction is designed to withstand demanding operating conditions while providing long mechanical life and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"1375\" data-end=\"1700\"\u003eHoused in a NEMA 1 indoor enclosure, the H366N is intended for installation in protected indoor environments such as electrical rooms, manufacturing facilities, commercial buildings, and power distribution centers. Its robust design and high current capacity make it an ideal choice for critical power isolation applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1707\" data-end=\"1725\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1727\" data-end=\"2245\"\u003e\n\u003cli data-section-id=\"yuqlrx\" data-start=\"1727\" data-end=\"1772\"\u003e\n\u003cstrong data-start=\"1729\" data-end=\"1739\"\u003eBrand:\u003c\/strong\u003e Square D by Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"dn3u0f\" data-start=\"1773\" data-end=\"1813\"\u003e\n\u003cstrong data-start=\"1775\" data-end=\"1792\"\u003eManufacturer:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"1yrfj1v\" data-start=\"1814\" data-end=\"1840\"\u003e\n\u003cstrong data-start=\"1816\" data-end=\"1832\"\u003ePart Number:\u003c\/strong\u003e H366N\u003c\/li\u003e\n\u003cli data-section-id=\"1lof122\" data-start=\"1841\" data-end=\"1865\"\u003e\n\u003cstrong data-start=\"1843\" data-end=\"1854\"\u003eSeries:\u003c\/strong\u003e H Series\u003c\/li\u003e\n\u003cli data-section-id=\"e6v92b\" data-start=\"1866\" data-end=\"1911\"\u003e\n\u003cstrong data-start=\"1868\" data-end=\"1884\"\u003eDevice Type:\u003c\/strong\u003e Heavy Duty Safety Switch\u003c\/li\u003e\n\u003cli data-section-id=\"1de219k\" data-start=\"1912\" data-end=\"1944\"\u003e\n\u003cstrong data-start=\"1914\" data-end=\"1934\"\u003eDisconnect Type:\u003c\/strong\u003e Fusible\u003c\/li\u003e\n\u003cli data-section-id=\"123ea7m\" data-start=\"1945\" data-end=\"1980\"\u003e\n\u003cstrong data-start=\"1947\" data-end=\"1965\"\u003eSwitch Action:\u003c\/strong\u003e Single Throw\u003c\/li\u003e\n\u003cli data-section-id=\"rta89k\" data-start=\"1981\" data-end=\"2012\"\u003e\n\u003cstrong data-start=\"1983\" data-end=\"2003\"\u003eNumber of Poles:\u003c\/strong\u003e 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"2m1oe9\" data-start=\"2013\" data-end=\"2035\"\u003e\n\u003cstrong data-start=\"2015\" data-end=\"2025\"\u003ePhase:\u003c\/strong\u003e 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"fxt1ty\" data-start=\"2036\" data-end=\"2078\"\u003e\n\u003cstrong data-start=\"2038\" data-end=\"2050\"\u003eNeutral:\u003c\/strong\u003e Factory Installed Neutral\u003c\/li\u003e\n\u003cli data-section-id=\"72t1fv\" data-start=\"2079\" data-end=\"2107\"\u003e\n\u003cstrong data-start=\"2081\" data-end=\"2100\"\u003eCurrent Rating:\u003c\/strong\u003e 600A\u003c\/li\u003e\n\u003cli data-section-id=\"1cyhdpx\" data-start=\"2108\" data-end=\"2138\"\u003e\n\u003cstrong data-start=\"2110\" data-end=\"2129\"\u003eVoltage Rating:\u003c\/strong\u003e 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"w52win\" data-start=\"2139\" data-end=\"2175\"\u003e\n\u003cstrong data-start=\"2141\" data-end=\"2159\"\u003eMounting Type:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n\u003cli data-section-id=\"ywr4nq\" data-start=\"2176\" data-end=\"2207\"\u003e\n\u003cstrong data-start=\"2178\" data-end=\"2194\"\u003eDuty Rating:\u003c\/strong\u003e Heavy Duty\u003c\/li\u003e\n\u003cli data-section-id=\"vsei5z\" data-start=\"2208\" data-end=\"2245\"\u003e\n\u003cstrong data-start=\"2210\" data-end=\"2229\"\u003eEnclosure Type:\u003c\/strong\u003e NEMA 1 Indoor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1g5d8j4\" data-start=\"2252\" data-end=\"2278\"\u003eElectrical Performance\u003c\/h3\u003e\n\u003cul data-start=\"2280\" data-end=\"2665\"\u003e\n\u003cli data-section-id=\"1g9l4qy\" data-start=\"2280\" data-end=\"2307\"\u003e\n\u003cstrong data-start=\"2282\" data-end=\"2300\"\u003eRated Current:\u003c\/strong\u003e 600A\u003c\/li\u003e\n\u003cli data-section-id=\"1fk7eey\" data-start=\"2308\" data-end=\"2339\"\u003e\n\u003cstrong data-start=\"2310\" data-end=\"2330\"\u003eMaximum Voltage:\u003c\/strong\u003e 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1rgbxuo\" data-start=\"2340\" data-end=\"2378\"\u003e\n\u003cstrong data-start=\"2342\" data-end=\"2368\"\u003eCircuit Configuration:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n\u003cli data-section-id=\"1b4sdwp\" data-start=\"2379\" data-end=\"2479\"\u003e\n\u003cstrong data-start=\"2381\" data-end=\"2401\"\u003eFuse Protection:\u003c\/strong\u003e Supports field-installed fuses for overcurrent and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1rjlpro\" data-start=\"2480\" data-end=\"2527\"\u003e\n\u003cstrong data-start=\"2482\" data-end=\"2521\"\u003eQuick-Make \/ Quick-Break Mechanism:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli data-section-id=\"1ogwd7r\" data-start=\"2528\" data-end=\"2583\"\u003e\n\u003cstrong data-start=\"2530\" data-end=\"2577\"\u003eSuitable for Service Entrance Applications:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli data-section-id=\"3751ck\" data-start=\"2584\" data-end=\"2665\"\u003e\n\u003cstrong data-start=\"2586\" data-end=\"2622\"\u003eHeavy-Duty Switching Capability:\u003c\/strong\u003e Designed for high-capacity power systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qpthm9\" data-start=\"2672\" data-end=\"2710\"\u003eMechanical \u0026amp; Construction Features\u003c\/h3\u003e\n\u003cul data-start=\"2712\" data-end=\"3076\"\u003e\n\u003cli data-section-id=\"1b3ffo8\" data-start=\"2712\" data-end=\"2756\"\u003eHeavy-duty industrial-grade construction\u003c\/li\u003e\n\u003cli data-section-id=\"l8htcq\" data-start=\"2757\" data-end=\"2795\"\u003eFactory-installed neutral assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1gmocdq\" data-start=\"2796\" data-end=\"2822\"\u003eSurface-mounted design\u003c\/li\u003e\n\u003cli data-section-id=\"mswra2\" data-start=\"2823\" data-end=\"2859\"\u003eFusible disconnect configuration\u003c\/li\u003e\n\u003cli data-section-id=\"zak6cv\" data-start=\"2860\" data-end=\"2896\"\u003eSingle-throw operating mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"hqk6d1\" data-start=\"2897\" data-end=\"2941\"\u003eQuick-make, quick-break switching action\u003c\/li\u003e\n\u003cli data-section-id=\"8mma56\" data-start=\"2942\" data-end=\"2977\"\u003eVisible blade disconnect design\u003c\/li\u003e\n\u003cli data-section-id=\"73p0mq\" data-start=\"2978\" data-end=\"3010\"\u003eLong mechanical service life\u003c\/li\u003e\n\u003cli data-section-id=\"15h5hha\" data-start=\"3011\" data-end=\"3076\"\u003eDesigned for demanding commercial and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"3083\" data-end=\"3099\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"3101\" data-end=\"3405\"\u003e\n\u003cli data-section-id=\"n7lx3w\" data-start=\"3101\" data-end=\"3142\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"6f6pcy\" data-start=\"3143\" data-end=\"3175\"\u003eService entrance disconnects\u003c\/li\u003e\n\u003cli data-section-id=\"qkuvov\" data-start=\"3176\" data-end=\"3207\"\u003eLarge motor control systems\u003c\/li\u003e\n\u003cli data-section-id=\"ht42qz\" data-start=\"3208\" data-end=\"3236\"\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"14uedct\" data-start=\"3237\" data-end=\"3277\"\u003eCommercial electrical infrastructure\u003c\/li\u003e\n\u003cli data-section-id=\"jky738\" data-start=\"3278\" data-end=\"3319\"\u003eDistribution feeders and switchboards\u003c\/li\u003e\n\u003cli data-section-id=\"1mmma4o\" data-start=\"3320\" data-end=\"3345\"\u003ePower control centers\u003c\/li\u003e\n\u003cli data-section-id=\"ypsgzo\" data-start=\"3346\" data-end=\"3405\"\u003eEquipment isolation and maintenance disconnecting means\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"p3m70j\" data-start=\"3412\" data-end=\"3442\"\u003eStandards \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul data-start=\"3444\" data-end=\"3655\"\u003e\n\u003cli data-section-id=\"1w9xzw2\" data-start=\"3444\" data-end=\"3457\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"p6c3jj\" data-start=\"3458\" data-end=\"3519\"\u003eDesigned to meet applicable UL safety switch requirements\u003c\/li\u003e\n\u003cli data-section-id=\"1y61nyr\" data-start=\"3520\" data-end=\"3587\"\u003eSuitable for commercial and industrial electrical installations\u003c\/li\u003e\n\u003cli data-section-id=\"18071m3\" data-start=\"3588\" data-end=\"3655\"\u003eComplies with industry standards for heavy-duty safety switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rwm0ne\" data-start=\"3662\" data-end=\"3687\"\u003eEnvironmental Ratings\u003c\/h3\u003e\n\u003cul data-start=\"3689\" data-end=\"3920\"\u003e\n\u003cli data-section-id=\"1ms811g\" data-start=\"3689\" data-end=\"3716\"\u003e\n\u003cstrong data-start=\"3691\" data-end=\"3707\"\u003eNEMA Rating:\u003c\/strong\u003e NEMA 1\u003c\/li\u003e\n\u003cli data-section-id=\"j0uh9x\" data-start=\"3717\" data-end=\"3763\"\u003e\n\u003cstrong data-start=\"3719\" data-end=\"3745\"\u003eInstallation Location:\u003c\/strong\u003e Indoor Use Only\u003c\/li\u003e\n\u003cli data-section-id=\"30n4\" data-start=\"3764\" data-end=\"3814\"\u003eSuitable for protected electrical environments\u003c\/li\u003e\n\u003cli data-section-id=\"sc04tv\" data-start=\"3815\" data-end=\"3860\"\u003eDesigned for long-term industrial service\u003c\/li\u003e\n\u003cli data-section-id=\"161vc0t\" data-start=\"3861\" data-end=\"3920\"\u003eDurable construction for demanding operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"8imf0z\" data-start=\"3927\" data-end=\"3953\"\u003eAdditional Information\u003c\/h3\u003e\n\u003cul data-start=\"3955\" data-end=\"4225\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1s651iu\" data-start=\"3955\" data-end=\"3980\"\u003e\n\u003cstrong data-start=\"3957\" data-end=\"3965\"\u003eUPC:\u003c\/strong\u003e 785901451990\u003c\/li\u003e\n\u003cli data-section-id=\"1xa89no\" data-start=\"3981\" data-end=\"4007\"\u003e\n\u003cstrong data-start=\"3983\" data-end=\"3992\"\u003eGTIN:\u003c\/strong\u003e 785901451990\u003c\/li\u003e\n\u003cli data-section-id=\"k322cr\" data-start=\"4008\" data-end=\"4057\"\u003e\n\u003cstrong data-start=\"4010\" data-end=\"4021\"\u003eSeries:\u003c\/strong\u003e H Series Heavy Duty Safety Switch\u003c\/li\u003e\n\u003cli data-section-id=\"1hw6nne\" data-start=\"4058\" data-end=\"4085\"\u003e\n\u003cstrong data-start=\"4060\" data-end=\"4075\"\u003eFusibility:\u003c\/strong\u003e Fusible\u003c\/li\u003e\n\u003cli data-section-id=\"1wtc2b4\" data-start=\"4086\" data-end=\"4123\"\u003e\n\u003cstrong data-start=\"4088\" data-end=\"4107\"\u003eMounting Style:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1h716lt\" data-start=\"4124\" data-end=\"4225\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"4126\" data-end=\"4142\"\u003eApplication:\u003c\/strong\u003e High-capacity power isolation and protection for commercial and industrial systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48533269446905,"sku":"H366N","price":5040.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/h366_1_2891e339-2c3c-44c3-8174-42bbdf748c88.webp?v=1781595157","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-h366n-heavy-duty-safety-switch-600a-3-pole-600vac-fusible-disconnect-neutral-included-nema-1-indoor-enclosure","provider":"My Circuit Breakers","version":"1.0","type":"link"}