{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1916-2BE01","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1916-2BE01","canonicalUrl":"https://aoctrl.com/siemens/3RT1916-2BE01","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1916-2BE01","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS OFF delay device, 24 V DC, for contactors size S00 to S3 and contactor relays with DC operation, screw terminals, finger-safe, DIN rail mount.","salesMarkdown":"The Siemens SIRIUS 3RT1916-2BE01 is an OFF delay device — a pneumatic timer attachment that holds a contactor or contactor relay closed for a set period after control power is removed. It is designed for DC-operated contactors in sizes S00 through S3 and for 3RH contactor relays with DC coils. The screw-type terminals accept the auxiliary and control circuit wiring. Finger-safe touch protection is built in. The device is rated for contactor sizes S00 and S0, covering the compact SIRIUS frame sizes used in motor control centers and panel builds. This part is listed as a phased-out product. The official successor is the SIRIUS 3RT2 series — the same form-factor class with updated coil technology. For a BOM line locked to the 3RT1916-2BE01, the 3RT2 equivalent should be verified for direct drop-in fit, particularly the mounting footprint and terminal layout. ## Panel Integration The device occupies the same width as the base contactor — no additional DIN rail space beyond the contactor's own footprint. Screw terminals accept 2x (0.5... 1.5 mm²) solid or 2x (0.75... 2.5 mm²) stranded with ferrule, matching typical control wiring in panel builds. No protective wiring component is included; the delay device is a standalone add-on that mounts directly to the front of the contactor. The finger-safe design means no additional shrouding is required for the terminals in a standard IP20 enclosure.","metaTitle":"Siemens 3RT1916-2BE01 SIRIUS OFF Delay Device 24V DC","metaDescription":"Siemens SIRIUS 3RT1916-2BE01 OFF delay device, 24V DC for contactors size S00-S3. Phased-out, successor is 3RT2 series. Sourced to order. Finger-safe, DIN rail mount.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"During Storage":"-40 ... +80°C","lifecycle_stage":"current","During Operation":"-20 ... +60°C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail","Mounting Position":"any","Size Of Contactor":"S00, S0","at DC rated value":"24V","Product Brand Name":"SIRIUS","Product Designation":"opening delay device for contactor","Design Of The Product":"OFF delay device","Product Component Protective Wiring":"No","Touch Protection Against Electrical Shock":"finger-safe","Type Of Voltage Of The Control Supply Voltage":"DC","Type Of Electrical Connection For Auxiliary And Control Circuit":"screw-type terminals"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$66.36","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=489142&mlfb=3RT1916-2BE01","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1916-2BE01/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for 3RT1916-2BE01?","answer":"The closest functional equivalent is the Siemens SIRIUS 3RT2 series OFF delay device. The 3RT1916-2BE01 was designed for the 3RT1 contactor generation; the 3RT2 successor uses the same mounting footprint (35 mm DIN rail, screw terminals) but with updated coil technology. Verify the control voltage (24 V DC) and the contactor size (S00, S0) match before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1916-2BE01","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/3RT1916-2BE01 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}}