{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"J7KN50230","brand":"Omron","brandSlug":"omron","productSlug":"J7KN50230","canonicalUrl":"https://aoctrl.com/omron/J7KN50230","factsUrl":"https://aoctrl.com/api/mcp/products/J7KN50230","rawCanonicalId":null},"summary":{"shortDescription":"J7KN series contactor, 3-pole, 50 A AC-3, 30 HP / 22 kW, 230 V AC coil, screw terminals, DIN rail or screw mount.","salesMarkdown":"## Motor starting duty at 50 A — what the AC-3 rating delivers The J7KN50230 is a 3-pole contactor rated for 50 A in AC-3 duty, which means it handles the inrush of a 30 HP motor at 400/480 V without welding the main contacts on each start. That 50 A figure is the continuous current the main contacts carry once the motor is running; the actual making current on a NEMA Design B motor can hit 300 A for the first few cycles, and the contactor's AC-3 rating guarantees it survives those peaks through the full electrical life. The 22 kW switching power aligns with the 30 HP rating — a common size for pumps, fans, and light conveyors in European and North American panels. The 230 V AC coil pulls from the control transformer, so the panel designer needs to confirm the control circuit voltage matches before wiring the coil. ## Panel fit: DIN rail or screw mount with screw terminals Screw terminals on both the power and coil connections: torque to the manufacturer's spec (typically 2-3 Nm for the main circuit) for a gas-tight joint on stranded or solid copper wire up to 16 mm². The 3NO contact configuration means all three poles switch simultaneously — no auxiliary contacts built in. If the control scheme needs a feedback signal (e.g., a 'contactor on' status to the PLC), an add-on auxiliary contact block from the J7KN family clips onto the front without tools. ## DC switching capability — limited but useful Rated for 5 A at 220 V DC — this is a resistive load rating, not for DC motor starting. The DC arc extinguishes differently than AC (no zero-crossing), so the contact gap and arc chute limit DC current to about one-tenth the AC rating. Use it for DC brake coils, solenoid valves, or resistive heater contactors; for DC motor loads, derate further or use a dedicated DC contactor. The 690 V ceiling means the contactor can also serve 660 V mining or marine supplies where the line voltage sits above standard industrial 480 V.","metaTitle":"J7KN50230 Contactor, 3-Pole 50A 230V Coil, 30HP","metaDescription":"J7KN50230 3NO contactor, 50 A AC-3, 230 V AC coil, 30 HP / 22 kW motor rating. DIN rail or screw mount, screw terminals. Mature lifecycle, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Poles":"3","title":"J7KN50230","Series":"J7KN","HP Rating":"30","description":"Contactor 3NO 230V 50A 22kW","Mounting Type":"DIN Rail Mount;Screw","lifecycle_stage":"mature","Termination Type":"Screw Terminal","Coil Voltage - AC":"230 V","Switching Power - AC":"22 kW","Contact Configuration":"3NO","Switching Current - AC":"50 A","Switching Current - DC":"5 A","Switching Voltage - AC":"690 V","Switching Voltage - DC":"220 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$193.17","stockQuantity":28,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/1cad761e55f87ff23400abe4ede96cdd.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to J7KN50230 in this component family?","answer":"The J7KN family includes other contactors at different current ratings, but a direct drop-in replacement at the same 50 A / 30 HP rating would be the same order code. For a different rating, the panel wiring and mounting footprint may differ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/omron/J7KN50230","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/omron/J7KN50230 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:47:38.189Z","lastPublished":"2026-07-22T19:47:38.189Z","indexable":true}}