{"product_id":"siemens-hf366na-safety-switch-vbii-series-600a-3-pole-600vac-heavy-duty-fusible-disconnect-with-solid-neutral-nema-1-indoor-enclosure","title":"Siemens HF366NA Safety Switch – VBII Series – 600A – 3 Pole – 600VAC – Heavy Duty Fusible Disconnect with Solid Neutral – NEMA 1 Indoor Enclosure","description":"\u003cp data-start=\"169\" data-end=\"629\"\u003eThe Siemens HF366NA is a VBII Series heavy-duty fusible safety switch designed for high-capacity electrical power distribution, motor control, and service entrance applications in industrial and commercial systems. Rated at 600A and 600VAC, this 3-pole switch features a solid neutral configuration and a fusible 3-fuse design, ensuring reliable disconnect performance and strong short-circuit protection when used with properly rated fuses.\u003c\/p\u003e\n\u003cp data-start=\"631\" data-end=\"949\"\u003eBuilt for indoor installations, the HF366NA is housed in a durable NEMA Type 1 steel enclosure, making it suitable for controlled environments where robust electrical isolation and safety are required. Its heavy-duty construction and high current capacity make it ideal for large-scale electrical distribution systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"951\" data-end=\"969\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"971\" data-end=\"1279\"\u003e\n\u003cli data-section-id=\"4aesb7\" data-start=\"971\" data-end=\"995\"\u003eBrand: Siemens \/ ITE\u003c\/li\u003e\n\u003cli data-section-id=\"dxqsvn\" data-start=\"996\" data-end=\"1020\"\u003ePart Number: HF366NA\u003c\/li\u003e\n\u003cli data-section-id=\"1rq4mwx\" data-start=\"1021\" data-end=\"1044\"\u003eSeries: VBII Series\u003c\/li\u003e\n\u003cli data-section-id=\"1yk2kyr\" data-start=\"1045\" data-end=\"1057\"\u003eType: HF\u003c\/li\u003e\n\u003cli data-section-id=\"ly2fqu\" data-start=\"1058\" data-end=\"1105\"\u003eCategory: Safety Switch \/ Disconnect Switch\u003c\/li\u003e\n\u003cli data-section-id=\"1wptmdt\" data-start=\"1106\" data-end=\"1133\"\u003eDuty Rating: Heavy Duty\u003c\/li\u003e\n\u003cli data-section-id=\"1tpmoot\" data-start=\"1134\" data-end=\"1157\"\u003eFusibility: Fusible\u003c\/li\u003e\n\u003cli data-section-id=\"tlbff1\" data-start=\"1158\" data-end=\"1196\"\u003eContact Configuration: 3PST \/ TPST\u003c\/li\u003e\n\u003cli data-section-id=\"1qr232p\" data-start=\"1197\" data-end=\"1232\"\u003eEnclosure Type: NEMA 1 (Indoor)\u003c\/li\u003e\n\u003cli data-section-id=\"13tpxhx\" data-start=\"1233\" data-end=\"1252\"\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1kv9bqt\" data-start=\"1253\" data-end=\"1279\"\u003eMounting Type: Surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v2p98c\" data-start=\"1281\" data-end=\"1303\"\u003eElectrical Ratings\u003c\/h3\u003e\n\u003cul data-start=\"1305\" data-end=\"1456\"\u003e\n\u003cli data-section-id=\"1a54ep8\" data-start=\"1305\" data-end=\"1329\"\u003eCurrent Rating: 600A\u003c\/li\u003e\n\u003cli data-section-id=\"1t5slu\" data-start=\"1330\" data-end=\"1356\"\u003eVoltage Rating: 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"qp2tzz\" data-start=\"1357\" data-end=\"1384\"\u003eNumber of Poles: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"pvjmxy\" data-start=\"1385\" data-end=\"1403\"\u003ePhase: 3 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"19chnns\" data-start=\"1404\" data-end=\"1456\"\u003eNumber of Wires: 4 (Solid Neutral Configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"1458\" data-end=\"1470\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1472\" data-end=\"1858\"\u003e\n\u003cli data-section-id=\"1tefo1d\" data-start=\"1472\" data-end=\"1508\"\u003eHeavy-duty fusible safety switch\u003c\/li\u003e\n\u003cli data-section-id=\"1shynw3\" data-start=\"1509\" data-end=\"1552\"\u003e600A high-capacity electrical switching\u003c\/li\u003e\n\u003cli data-section-id=\"16hdrd6\" data-start=\"1553\" data-end=\"1586\"\u003e3-pole, 3-phase configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1pr624t\" data-start=\"1587\" data-end=\"1633\"\u003eSolid neutral for stable load distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1vcvc1l\" data-start=\"1634\" data-end=\"1667\"\u003eNEMA 1 indoor steel enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"3tg37f\" data-start=\"1668\" data-end=\"1707\"\u003eMechanical lug terminal connections\u003c\/li\u003e\n\u003cli data-section-id=\"rektt9\" data-start=\"1708\" data-end=\"1754\"\u003eReliable single-throw disconnect mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"1p47wzi\" data-start=\"1755\" data-end=\"1811\"\u003eDesigned for industrial and commercial power systems\u003c\/li\u003e\n\u003cli data-section-id=\"1j2kn85\" data-start=\"1812\" data-end=\"1858\"\u003eSuitable for service entrance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1uohfrv\" data-start=\"1860\" data-end=\"1876\"\u003eConstruction\u003c\/h3\u003e\n\u003cul data-start=\"1878\" data-end=\"2075\"\u003e\n\u003cli data-section-id=\"81c2gc\" data-start=\"1878\" data-end=\"1908\"\u003eHeavy-duty steel enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"1wgp5u9\" data-start=\"1909\" data-end=\"1939\"\u003eNEMA 1 indoor-rated design\u003c\/li\u003e\n\u003cli data-section-id=\"5y40k9\" data-start=\"1940\" data-end=\"1980\"\u003eIndustrial-grade switching mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"q8ni23\" data-start=\"1981\" data-end=\"2014\"\u003eSurface-mounted configuration\u003c\/li\u003e\n\u003cli data-section-id=\"e3z3tq\" data-start=\"2015\" data-end=\"2075\"\u003eBuilt for long-term durability in high-load environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2077\" data-end=\"2093\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2095\" data-end=\"2426\"\u003e\n\u003cli data-section-id=\"1g63lej\" data-start=\"2095\" data-end=\"2136\"\u003eIndustrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"sk3mdu\" data-start=\"2137\" data-end=\"2176\"\u003eCommercial electrical installations\u003c\/li\u003e\n\u003cli data-section-id=\"1nf16e4\" data-start=\"2177\" data-end=\"2207\"\u003eService entrance equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1uvwxtp\" data-start=\"2208\" data-end=\"2248\"\u003eMotor control and protection systems\u003c\/li\u003e\n\u003cli data-section-id=\"fkqheg\" data-start=\"2249\" data-end=\"2286\"\u003eLarge HVAC and mechanical systems\u003c\/li\u003e\n\u003cli data-section-id=\"1jvx5jg\" data-start=\"2287\" data-end=\"2330\"\u003eManufacturing and processing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"evb3zp\" data-start=\"2331\" data-end=\"2382\"\u003eElectrical isolation and maintenance operations\u003c\/li\u003e\n\u003cli data-section-id=\"1b7ncf6\" data-start=\"2383\" data-end=\"2426\"\u003eLockout\/Tagout (LOTO) safety procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2428\" data-end=\"2683\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e \u003c\/p\u003e","brand":"Siemens \/ ITE","offers":[{"title":"NEW","offer_id":48510457053433,"sku":"HF366NA","price":4646.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/HF366NA-New-1_d427171c-495b-4463-9eba-22870a12c1c0.webp?v=1781118358","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-hf366na-safety-switch-vbii-series-600a-3-pole-600vac-heavy-duty-fusible-disconnect-with-solid-neutral-nema-1-indoor-enclosure","provider":"My Circuit Breakers","version":"1.0","type":"link"}