{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3NJ6304-2AB0.-....","brand":"Siemens","brandSlug":"siemens","productSlug":"3NJ6304-2AB0.-....","canonicalUrl":"https://aoctrl.com/siemens/3NJ6304-2AB0.-....","factsUrl":"https://aoctrl.com/api/mcp/products/3NJ6304-2AB0.-....","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3NJ63, switch disconnector with fuses, 160 A, 4-pole, AC23B 500 V, 55 kA rated short-circuit breaking capacity, pluggable NH00 fuse carrier, with EFM10 electronic fuse monitoring.","salesMarkdown":"The Siemens 3NJ6304-2AB0.-.... is a SENTRON 3NJ63 switch disconnector with fuses in a 4-pole inline design, rated 160 A at AC23B 500 V. The pluggable NH00 fuse carrier accepts standard NH00 fuse links, and the integrated EFM10 electronic fuse monitoring provides a signal output when a fuse blows, reducing fault-finding time on a motor drive or distribution circuit. The AC23B duty class (500 V, 160 A) is the key selection parameter: it covers switching of motor loads and other highly inductive circuits — not just resistive heating or lighting. The 4-pole configuration (3 phases + neutral) suits three-phase distribution boards where the neutral must be switched and fused. The NH00 fuse size is the smallest standard NH format, rated up to 160 A, and the pluggable design allows fuse replacement without tools. ## Panel integration The inline design means the line and load connections are on opposite sides of the switch, which simplifies busbar routing in a distribution panel. The EFM10 electronic fuse monitoring module provides a volt-free contact or semiconductor output (depending on wiring) that can be wired back to a PLC input or a panel lamp, giving immediate indication of a blown fuse without opening the panel door. The unit mounts on a standard mounting plate or DIN rail via the SENTRON 3NJ63 adapter system — verify the specific mounting kit for your enclosure layout.","metaTitle":"Siemens 3NJ6304-2AB0.-.... SENTRON Switch Disconnector, 160","metaDescription":"Siemens SENTRON 3NJ63 switch disconnector with fuses, 160 A, 4-pole, AC23B 500V, 55 kA rated. Active production, RoHS compliant. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Disconnect Switches"],"specifications":{"Group Code":"P360","Product Group":"5862","Product class":"C: products manufactured / produced to order, which cannot be reused or re-utilized or be returned against credit.","Quantity Unit":"1 Piece","Product Family":"SENTRON 3NJ63 Switch Disconnectors with Fuses","lifecycle_stage":"current","Packaging Quantity":"1","Export Control Regulations":"AL : N / ECCN : N","Packaging dimensions (L x W x H)":"Not available","Compliance with the substance restrictions according to RoHS directive":"Since: 27-09-19","REACH Art. 33 Duty to inform according to the current list of candidates":"Reach Information"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://sieportal.siemens.com/en-ae/products-services/detail/3NJ6304-2AB0.-....?tree=CatalogTree","alternativesUrl":"https://aoctrl.com/api/mcp/products/3NJ6304-2AB0.-..../alternatives.json"},"ai":{"faq":[{"question":"What is the 3NJ6304-2AB0.-.... used for?","answer":"It is a 4-pole switch disconnector with fuses rated 160 A at AC23B 500 V, used for motor drive switching and distribution in industrial panels where fused protection and a visible disconnect are required."},{"question":"Where can I buy the 3NJ6304-2AB0.-....?","answer":"This part is sourced to order against an RFQ through independent and authorized distribution channels. Availability and current pricing are confirmed at quote time."},{"question":"What compliance documentation is available for this part?","answer":"RoHS compliance is confirmed since 27 September 2019, and REACH Article 33 duty-to-inform information is available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3NJ6304-2AB0.-....","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3NJ6304-2AB0.-.... when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}