{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH2122-1RB40-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH2122-1RB40-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RH2122-1RB40-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RH2122-1RB40-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, size S00, 4-pole, 24 VDC coil with integrated diode suppression, screw and snap-on 35 mm DIN rail mounting, 73 mm depth.","salesMarkdown":"## SIRIUS auxiliary contactor, 24 VDC coil, size S00 The 3RH2122-1RB40-ZX95: Rated switching capacity varies by voltage: 10 A at 24 V AC, 10 A at 230 V AC, 3 A at 400 V AC, and 1 A at 690 V AC. For DC switching, it handles 4.7 A at 60 V, 1.2 A at 220 V, and 0.26 A at 600 V. The size S00 footprint measures 45 mm wide, 57.5 mm high, and 73 mm deep. Terminals accept 2 x (0.5…1.5 mm²), 2 x (0.75…2.5 mm²), or 2 x 4 mm² solid or stranded wire. Pollution degree 3 rated, suitable for industrial environments.","metaTitle":"Siemens 3RH2122-1RB40-ZX95 SIRIUS Auxiliary Contactor, 24 VD","metaDescription":"Siemens SIRIUS 3RH2122-1RB40-ZX95 auxiliary contactor. 24 VDC coil, 4-pole, size S00. Current production. Screw and snap-on 35 mm DIN rail. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Width":"45 mm","at AC":"10 000 1/h","at DC":"38 ... 65 ms","Height":"57.5 mm","Upwards":"10 mm","Forwards":"10 mm","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"6 mm","Rated Value":"24 V","Initial Value":"0.8","During Storage":"-55 ... +80 °C","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail","Full-Scale Value":"1.1","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","Size Of Contactor":"S00","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²","Product Brand Name":"SIRIUS","Degree Of Pollution":"3","Product Designation":"Auxiliary contactor","at 24 V rated value":"10 A","at 60 V rated value":"4.7 A","Of Contactor Typical":"30 000 000","at 110 V rated value":"3 A","at 220 V rated value":"1.2 A","at 230 V rated value":"10 A","at 400 V rated value":"3 A","at 440 V rated value":"0.5 A","at 500 V rated value":"2 A","at 600 V rated value":"0.26 A","at 690 V rated value":"1 A","Instantaneous Contact":"2","Relative Humidity Minimum":"10 %","Substance Prohibitance (Date)":"10/01/2009","Design Of The Surge Suppressor":"with diode assemblies","Product Extension Auxiliary Switch":"No","closing power of magnet coil at DC":"4 W","holding power of magnet coil at DC":"4 W","Surge Voltage Resistance Rated Value":"6 kV","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 2x 12","operating frequency at DC-12 maximum":"1 000 1/h","operating frequency at DC-13 maximum":"1 000 1/h","operational current at AC-12 maximum":"10 A","reference code according to IEC 81346-2":"K","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","with low demand rate according to SN 31920":"40 %","with high demand rate according to SN 31920":"73 %","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"2","Type Of Voltage Of The Control Supply Voltage":"DC","contact rating of auxiliary contacts according to UL":"A600 / Q600","Identification Number And Letter For Switching Elements":"22 E","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Type Of Electrical Connection For Auxiliary And Control Circuit":"screw-type terminals","insulation voltage with degree of pollution 3 at AC rated value":"690 V","Design Of The Fuse Link For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V":"C characteristic: 6 A; 0.4 kA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/408dd4c26fb04a1e6238aed0f53fc89b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=164783&mlfb=3RH2122-1RB40-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RH2122-1RB40-ZX95/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 3RH2122-1RB40-ZX95?","answer":"Pricing and availability are confirmed at quote time against an RFQ through independent distribution channels."},{"question":"Will 3RH2122-1RB40-ZX95 drop into a panel specified around 3RH2122-1BA40 without rewiring?","answer":"Both are size S00 auxiliary contactors with the same 45 mm width and 35 mm DIN rail mounting, so the mechanical fit is identical. The key difference is the coil voltage: 3RH2122-1RB40-ZX95 uses a 24 VDC coil with diode suppression, while 3RH2122-1BA40 uses a different coil voltage. Verify coil voltage compatibility before substitution."},{"question":"What compliance documentation does this brand provide for 3RH2122-1RB40-ZX95?","answer":"The part is RoHS compliant with a substance prohibition date of 10/01/2009. As a Siemens SIRIUS component, it carries CE marking and is designed to IEC/EN 60947 standards."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH2122-1RB40-ZX95","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/3RH2122-1RB40-ZX95 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}}