{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"RUMC3AB1P7","brand":"Schneider Electric","brandSlug":"schneider","productSlug":"RUMC3AB1P7","canonicalUrl":"https://aoctrl.com/schneider/RUMC3AB1P7","factsUrl":"https://aoctrl.com/api/mcp/products/RUMC3AB1P7","rawCanonicalId":null},"summary":{"shortDescription":"Schneider Electric Harmony Relay, RUM series, RUMC3AB1P7, plug-in relay, 3 C/O contacts, 230 V AC coil, 10 A rated operational current, lockable test button, without status LED.","salesMarkdown":"The Schneider Electric RUMC3AB1P7 is a Harmony RUM-series plug-in relay with a 230 V AC coil and three changeover (3 C/O) contacts rated 10 A in AC-1/DC-1 duty per IEC. It's the standard ice-cube form factor — cylindrical pins, fits the common RUM socket — and carries a lockable test button so you can manually latch the contacts during commissioning without wiring a jumper. The 10 A AC-1/DC-1 rating (NO contacts) covers resistive loads like heaters and incandescent lamps; the NC contacts are rated 5 A in the same duty class. For motor or inductive loads, you'll need to derate — the utilisation coefficient is listed at 20 %, meaning the relay is designed to switch at 20 % of its rated current under typical inductive conditions. The AgNi contacts handle moderate inrush, but for high-surge loads like solenoid valves, consider a relay with AgSnO2 contacts. Minimum switching capacity is 170 mW at 17 V / 10 mA — important if you're switching low-level signals from a PLC or sensor. Below that threshold, the contact film may not break, causing intermittent opens. The relay switches in 20 ms typical, so it's fast enough for general-purpose logic but not for high-speed counting (max 1200 cycles/hour under load). Coil consumption is 2...3 VA at 60 Hz, and the dropout threshold is ≥ 0.15 Uc AC — so the relay holds in down to about 34.5 V AC and drops out reliably below that. The 7200 Ω coil resistance at 20 °C (±15 %) helps with thermal budgeting in a crowded panel. ## Where it's used and how it mounts This relay is a panel-building staple for control circuits — think conveyor interlocking, pump start/stop, valve position feedback, or general-purpose isolation between a 24 V DC PLC output and a 230 V AC load. The IP40 housing keeps dust out but isn't rated for washdown; mount it inside an enclosure. Operating position is any position, so no orientation restrictions in the cabinet. The lockable test button is a commissioning convenience: push and twist to latch the contacts, then walk the line to verify the load circuit without needing a second person at the panel. The cylindrical pin shape matches the standard RUM socket (e.g., RXZE2S114M), so replacement is a straight pull-and-plug — no wiring changes. The relay carries UL 508, CSA C22.2 No 14, and EN/IEC 61810-1 approvals — so it's accepted in North American and European control panels without additional agency review. Rated insulation voltage is 250 V (IEC) / 300 V (UL/CSA), and dielectric strength is 1500 V AC between contacts, 1550 V AC between coil and contact, and 1550 V AC between poles. Mechanical durability is 5 million cycles; electrical durability is 100,000 cycles at rated resistive load. Safety reliability data gives B10d = 100,000 cycles — useful for functional safety calculations if the relay is used in a safety-related control system.","metaTitle":"RUMC3AB1P7 Harmony Relay, 3PDT, 230VAC Coil, 10A","metaDescription":"Schneider Electric Harmony RUMC3AB1P7 plug-in relay. 3 C/O contacts, 230VAC coil, 10A rated. UL/CSA/CE. Current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["General Purpose Relays"],"specifications":{"Category":"21127-ZELIO ICE CUBE RELAYS","Standards":"CSA C22.2 No 14 EN/IEC 61810-1 UL 508","Status LED":"Without","Series name":"Universal","Control Type":"Lockable test button","Shape of pin":"Cylindrical","Operating rate":"<= 1200 cycles/hour under load","Operating time":"20 ms","lifecycle_stage":"current","Pollution degree":"3","Range of Product":"Harmony Relay","Shock resistance":"10 gnin operation 10 gnnot operating","Contacts material":"AgNi","Device short name":"RUM","Average resistance":"7200 Ohm 20 °C +/- 15 %","Compatibility code":"RUM","Operating position":"Any position","Dielectric strength":"1500 V AC between contacts 1550 V AC between coil and contact 1550 V AC between poles","Protection category":"RT I","Vibration resistance":"3 gn +/- 1 mm 10...150 Hz)10 cycles in operation EN/IEC 60068-2-27 4 gn +/- 1 mm 10...150 Hz)10 cycles not operating EN/IEC 60068-2-27","Electrical durability":"100000 cycles resistive","Mechanical durability":"5000000 cycles","IP degree of protection":"IP40 conforming to EN/IEC 60529","Safety reliability data":"B10d = 100000","Utilisation coefficient":"20 %","Maximum switching voltage":"250 V AC IEC 250 V DC IEC","Minimum Switching Current":"10 mA","Minimum switching voltage":"17 V","Product or Component Type":"Plug-in relay","Drop-out voltage threshold":">= 0.15 Uc AC","Maximum switching capacity":"2500 VA AC 280 W DC","Minimum switching capacity":"170 mW","[Uc] control circuit voltage":"230 V AC","Contacts type and composition":"3 C/O","[Ui] rated insulation voltage":"250 V IEC 300 V CSA 300 V UL","Average coil consumption in VA":"2...3 60 Hz","[Ie] rated operational current":"10 A AC-1/DC-1 (NO) conforming to IEC 12 A at 28 V DC-1 conforming to UL 16 A at 277 V AC-1 conforming to UL 5 A AC-1/DC-1 (NC) conforming to IEC","Rated operational voltage limits":"184...253 V AC","Ambient Air Temperature for Storage":"-40...185 °F (-40...85 °C)","Ambient air temperature for operation":"-40...131 °F (-40...55 °C)","[Uimp] rated impulse withstand voltage":"4 kV","[Ithe] conventional enclosed thermal current":"10 A -40...131 °F (-40...55 °C)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.39","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/d9e55cc715f2876102c3c11d354e8dd6.pdf","sourceUrl":"https://www.se.com/th/en/product/RUMC3AB1P7/universal-plugin-relay-harmony-rum-3-c-o-230-v-ac-10-a/","alternativesUrl":"https://aoctrl.com/api/mcp/products/RUMC3AB1P7/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to RUMC3AB1P7?","answer":"The closest pin-compatible alternative is the RUMC3AB1P7 with a status LED (same part number but with LED suffix). The base relay is identical in form, fit, and function — the only difference is the visual coil indication. For a different coil voltage, the RUM family offers 24 V AC/DC, 48 V AC, 110 V AC, and 230 V AC variants in the same 3 C/O contact arrangement."},{"question":"What standards does RUMC3AB1P7 comply with?","answer":"The RUMC3AB1P7 complies with CSA C22.2 No 14, EN/IEC 61810-1, and UL 508. These cover North American and international industrial control equipment requirements."},{"question":"Where can I buy RUMC3AB1P7?","answer":"The RUMC3AB1P7 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm delivery commitment."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/schneider/RUMC3AB1P7","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/schneider/RUMC3AB1P7 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}}