{"product_id":"square-d-heavy-duty-safety-switch-h325nr-3-pole-400a-240v-series-e-nema-3r-fusible-disconnect","title":"Square D Heavy Duty Safety Switch – H325NR – 3 Pole – 400A – 240V – Series E – NEMA 3R Fusible Disconnect","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7ee520fa-ca65-4654-b7e6-fc26ae589cee\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"193\" data-end=\"614\"\u003eThe Square D heavy duty safety switch (Model H325NR) from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/span\u003e is a rugged industrial-grade fusible disconnect designed for reliable power isolation in demanding indoor and outdoor electrical environments. Built under the Series E platform, this switch delivers enhanced mechanical endurance and long-term operational reliability beyond NEMA KS-1 and UL98 requirements.\u003c\/p\u003e\n\u003cp data-start=\"616\" data-end=\"951\"\u003eThe H325NR provides safe, visible circuit isolation and is engineered with a quick-make, quick-break operating mechanism for fast switching performance. It also includes a dual cover interlock system and a color-coded handle indicator to clearly show the switch status, improving operational safety during maintenance and service work.\u003c\/p\u003e\n\u003cp data-start=\"953\" data-end=\"1352\"\u003eWith a 400A current rating and 3-pole configuration, this switch is suitable for three-phase systems operating at 240VAC and 250VDC. Its fusible design supports multiple fuse classes, allowing flexible coordination with upstream and downstream protection devices. The NEMA 3R enclosure makes it suitable for outdoor installations where protection against rain and environmental exposure is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1359\" data-end=\"1377\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1379\" data-end=\"1842\"\u003e\n\u003cli data-section-id=\"1vpj7ub\" data-start=\"1379\" data-end=\"1457\"\u003eBrand: Square D \/ Schneider Electric \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v1cars\" data-start=\"1458\" data-end=\"1494\"\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli data-section-id=\"86i0s6\" data-start=\"1495\" data-end=\"1523\"\u003eProduct Family: Series E\u003c\/li\u003e\n\u003cli data-section-id=\"p1v6x5\" data-start=\"1524\" data-end=\"1586\"\u003eDevice Type: Heavy Duty Safety Switch \/ Fusible Disconnect\u003c\/li\u003e\n\u003cli data-section-id=\"dvzcnt\" data-start=\"1587\" data-end=\"1611\"\u003eModel Number: H325NR\u003c\/li\u003e\n\u003cli data-section-id=\"1ivewjk\" data-start=\"1612\" data-end=\"1637\"\u003eConfiguration: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1oiigy7\" data-start=\"1638\" data-end=\"1661\"\u003eRated Current: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"1usr9yz\" data-start=\"1662\" data-end=\"1697\"\u003eVoltage Rating: 240VAC \/ 250VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1qi94vu\" data-start=\"1698\" data-end=\"1758\"\u003eShort Circuit Current Rating (SCCR): 10kA – 200kA @ 240V\u003c\/li\u003e\n\u003cli data-section-id=\"xnkf8i\" data-start=\"1759\" data-end=\"1798\"\u003eFuse Types Supported: H, J, K, L, R\u003c\/li\u003e\n\u003cli data-section-id=\"lfb4xa\" data-start=\"1799\" data-end=\"1842\"\u003eEnclosure Type: NEMA 3R (Outdoor Rated)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1g5d8j4\" data-start=\"1849\" data-end=\"1875\"\u003eElectrical Performance\u003c\/h3\u003e\n\u003cul data-start=\"1877\" data-end=\"2105\"\u003e\n\u003cli data-section-id=\"1b2jvb8\" data-start=\"1877\" data-end=\"1917\"\u003eOperational Voltage: 240VAC \/ 250VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1bfn19q\" data-start=\"1918\" data-end=\"1942\"\u003eCurrent Rating: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"1n9ehkq\" data-start=\"1943\" data-end=\"1998\"\u003eHigh fault current withstand capability up to 200kA\u003c\/li\u003e\n\u003cli data-section-id=\"10fucay\" data-start=\"1999\" data-end=\"2051\"\u003eFusible protection for coordinated system safety\u003c\/li\u003e\n\u003cli data-section-id=\"1hv2njc\" data-start=\"2052\" data-end=\"2105\"\u003eDesigned for reliable three-phase power isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1qpthm9\" data-start=\"2112\" data-end=\"2150\"\u003eMechanical \u0026amp; Construction Features\u003c\/h3\u003e\n\u003cul data-start=\"2152\" data-end=\"2525\"\u003e\n\u003cli data-section-id=\"1ljjnx4\" data-start=\"2152\" data-end=\"2199\"\u003eQuick-make, quick-break operating mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"w09y2l\" data-start=\"2200\" data-end=\"2251\"\u003eDual cover interlock system for enhanced safety\u003c\/li\u003e\n\u003cli data-section-id=\"1qlpoa2\" data-start=\"2252\" data-end=\"2308\"\u003eColor-coded handle indicator for clear ON\/OFF status\u003c\/li\u003e\n\u003cli data-section-id=\"1xjjkaw\" data-start=\"2309\" data-end=\"2364\"\u003eGalvannealed steel enclosure for outdoor durability\u003c\/li\u003e\n\u003cli data-section-id=\"aa18n\" data-start=\"2365\" data-end=\"2397\"\u003eSurface-mounted installation\u003c\/li\u003e\n\u003cli data-section-id=\"160b6l7\" data-start=\"2398\" data-end=\"2436\"\u003eFactory-installed neutral included\u003c\/li\u003e\n\u003cli data-section-id=\"1nmdjau\" data-start=\"2437\" data-end=\"2479\"\u003eHigh mechanical endurance construction\u003c\/li\u003e\n\u003cli data-section-id=\"1lb2bjn\" data-start=\"2480\" data-end=\"2525\"\u003eHeavy-duty industrial switching mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2532\" data-end=\"2548\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2550\" data-end=\"2821\"\u003e\n\u003cli data-section-id=\"1rfbgsj\" data-start=\"2550\" data-end=\"2599\"\u003eOutdoor industrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1rx9r2s\" data-start=\"2600\" data-end=\"2647\"\u003eCommercial and industrial electrical panels\u003c\/li\u003e\n\u003cli data-section-id=\"1lbrotz\" data-start=\"2648\" data-end=\"2679\"\u003eMotor control centers (MCC)\u003c\/li\u003e\n\u003cli data-section-id=\"2v2ap4\" data-start=\"2680\" data-end=\"2730\"\u003eHVAC systems and rooftop equipment disconnects\u003c\/li\u003e\n\u003cli data-section-id=\"dxv8qv\" data-start=\"2731\" data-end=\"2774\"\u003eHeavy machinery and equipment isolation\u003c\/li\u003e\n\u003cli data-section-id=\"10ctgcn\" data-start=\"2775\" data-end=\"2821\"\u003eMaintenance safety disconnect applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"p3m70j\" data-start=\"2828\" data-end=\"2858\"\u003eStandards \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul data-start=\"2860\" data-end=\"3044\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"2860\" data-end=\"2873\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"3h4a0l\" data-start=\"2874\" data-end=\"2890\"\u003eCSA Approved\u003c\/li\u003e\n\u003cli data-section-id=\"y4r7i4\" data-start=\"2891\" data-end=\"2922\"\u003eNEMA 3R compliant enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"fnk3i9\" data-start=\"2923\" data-end=\"2994\"\u003eMeets high endurance requirements beyond NEMA KS-1 \/ UL98 standards\u003c\/li\u003e\n\u003cli data-section-id=\"1rxbx77\" data-start=\"2995\" data-end=\"3044\"\u003eIndustrial safety switch compliance standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"tsjdab\" data-start=\"3051\" data-end=\"3074\"\u003eDimensions \u0026amp; Weight\u003c\/h3\u003e\n\u003cul data-start=\"3076\" data-end=\"3151\"\u003e\n\u003cli data-section-id=\"yn9qtg\" data-start=\"3076\" data-end=\"3128\"\u003eDimensions (H × W × D): 10.13 × 27.88 × 50.31 in\u003c\/li\u003e\n\u003cli data-section-id=\"s4xb32\" data-start=\"3129\" data-end=\"3151\"\u003eWeight: 192.02 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rwm0ne\" data-start=\"3158\" data-end=\"3183\"\u003eEnvironmental Ratings\u003c\/h3\u003e\n\u003cul data-start=\"3185\" data-end=\"3472\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1bqzs9v\" data-start=\"3185\" data-end=\"3231\"\u003eOutdoor-rated NEMA 3R enclosure protection\u003c\/li\u003e\n\u003cli data-section-id=\"103216o\" data-start=\"3232\" data-end=\"3301\"\u003eDesigned for harsh environmental exposure (rain, dust resistance)\u003c\/li\u003e\n\u003cli data-section-id=\"xygn29\" data-start=\"3302\" data-end=\"3354\"\u003eHigh mechanical durability for long service life\u003c\/li\u003e\n\u003cli data-section-id=\"ucpspu\" data-start=\"3355\" data-end=\"3419\"\u003eSuitable for industrial and commercial outdoor installations\u003c\/li\u003e\n\u003cli data-section-id=\"1ec9ud6\" data-start=\"3420\" data-end=\"3472\" data-is-last-node=\"\"\u003eReliable operation in demanding weather conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"NEW","offer_id":48530544820473,"sku":"H325NR","price":2635.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/GV2ME01_Image_AI-improved_2024_1500.jpg?v=1781503366","url":"https:\/\/mycircuitbreakers.com\/products\/square-d-heavy-duty-safety-switch-h325nr-3-pole-400a-240v-series-e-nema-3r-fusible-disconnect","provider":"My Circuit Breakers","version":"1.0","type":"link"}