{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH6122-1AH00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH6122-1AH00","canonicalUrl":"https://aoctrl.com/siemens/3RH6122-1AH00","factsUrl":"https://aoctrl.com/api/mcp/products/3RH6122-1AH00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RH6122-1AH00, contactor relay, size S00, 2 NO + 2 NC auxiliary contacts, AC coil 50/60 Hz, screw and snap-on mounting on 35 mm DIN rail.","salesMarkdown":"It provides 2 normally open and 2 normally closed auxiliary contacts, giving you four independent signal paths for interlocking, status feedback, or logic control. The AC coil is rated for 50/60 Hz with an operating range of 0.8...1.1 x Us at 50 Hz and 0.85...1.1 x Us at 60 Hz, so it holds in over a reasonable brownout band. Dimensions are 45 mm wide, 57.5 mm tall, and 73 mm deep — fits the S00 slot in a modular panel layout. The auxiliary contacts are rated for AC-12 duty at 6 A at 24 V, 3 A at 110 V, 1.2 A at 220 V, and 10 A at 230 V. These are not motor-switching currents — this is a contactor relay for signal-level and small auxiliary loads. ## Coil and control supply The coil is AC-operated with a pick-up power of 37 VA and a holding power of 5.7 VA at an inductive power factor of 0.8. That means the inrush is about 6.5x the sealed draw, so your control transformer needs to handle the momentary load when multiple contactors pick up simultaneously. Substance prohibition date of 05/01/2012 indicates RoHS compliance per the EU directive effective from that date.","metaTitle":"Siemens 3RH6122-1AH00 SIRIUS Contactor Relay, 2NO+2NC, AC Co","metaDescription":"Siemens SIRIUS 3RH6122-1AH00 contactor relay, size S00. 2 NO + 2 NC auxiliary contacts, AC coil. Current production. Screw and snap-on 35mm DIN rail. 6 kV surge. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Width":"45 mm","at AC":"10 000 1/h","at DC":"10 000 1/h","title":"3RH6122-1AH00","Height":"57.5 mm","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","description":"Contactor relay, 2 NO + 2 NC, AC 48 V, 50/60 Hz, size S00, screw terminal","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","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","Product Designation":"Contactor relay","at 24 V rated value":"6 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 50 Hz rated value":"48 V","at 60 Hz rated value":"48 V","at 690 V rated value":"1 A","Substance Prohibitance (Date)":"05/01/2012","Product Extension Auxiliary Switch":"Yes","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":"6 A","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)","apparent holding power of magnet coil at AC":"5.7 VA","apparent pick-up power of magnet coil at AC":"37 VA","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"2","Type Of Voltage Of The Control Supply Voltage":"AC","Inductive Power Factor With Closing Power Of The Coil":"0.8","Identification Number And Letter For Switching Elements":"22 E","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Inductive Power Factor With The Holding Power Of The Coil":"0.25","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c54c78bf5e6572f8054e220b8bbc85c8.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=641362&mlfb=3RH6122-1AH00"},"ai":{"faq":[{"question":"What are the key dimensions for panel layout?","answer":"Width is 45 mm, height 57.5 mm, depth 73 mm. It snaps onto 35 mm DIN rail."},{"question":"What contact configuration does it have?","answer":"It has 2 normally open and 2 normally closed auxiliary contacts, giving four independent switching channels."},{"question":"What is the coil voltage and type?","answer":"The coil is AC, rated at 48 V at both 50 Hz and 60 Hz. Pick-up power is 37 VA, holding power is 5.7 VA."},{"question":"What compliance documentation is available?","answer":"The part has a substance prohibition date of 05/01/2012, indicating RoHS compliance. Surge voltage resistance is rated at 6 kV."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH6122-1AH00","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/3RH6122-1AH00 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}