{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RH2353-1CN20-0KA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RH2353-1CN20-0KA0","canonicalUrl":"https://aoctrl.com/siemens/3RH2353-1CN20-0KA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RH2353-1CN20-0KA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS auxiliary contactor, 3RH2353-1CN20-0KA0, 5 NO contacts, size S00, screw and snap-on 35 mm DIN rail mounting, 10 A at 24 V rated value.","salesMarkdown":"The 3RH2353-1CN20-0KA0 is a SIRIUS auxiliary contactor with five normally open instantaneous contacts. Its rated operational current at 24 V is 10 A — this is the continuous current each contact can carry in a 24 VDC control circuit. The switching capacity follows the voltage: higher voltage means lower allowable current for the same contact gap. Mechanical endurance is 10,000,000 operating cycles typical — this is the contactor's service life before mechanical wear, not the electrical life under load. Electrical life depends on the switched current and voltage; for pilot-duty control circuits (relays, PLC inputs, contactor coils), the electrical life typically approaches the mechanical figure. ## Panel fit: S00 frame, 45 mm wide, screw and snap-on DIN rail The contactor is size S00 — the smallest SIRIUS frame. These are the minimum air gaps to adjacent metal parts or other devices — essential for heat dissipation and arc flash containment. Pollution degree 3 means the contactor is rated for conductive pollution (condensation, light dust) typical in industrial control panels. ## Operating environment: temperature, humidity, and voltage tolerance The minimum relative humidity is 10 % — no upper bound stated, but the pollution degree 3 rating implies tolerance to condensation. Substance prohibitance date is 07/01/2006 — this is the RoHS compliance effective date for the European directive. The contactor is designed to meet RoHS requirements from that date onward. No UL, CSA, or IEC certification numbers are listed in the spec record, but the SIRIUS series is typically certified to IEC 60947-5-1 for control circuit devices.","metaTitle":"Siemens 3RH2353-1CN20-0KA0 SIRIUS Auxiliary Contactor, 5 NO","metaDescription":"Siemens 3RH2353-1CN20-0KA0 SIRIUS auxiliary contactor, 5 NO contacts, size S00. Rated 10 A at 24 V. Screw and snap-on 35 mm DIN rail. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"117 mm","Width":"45 mm","at AC":"4 ... 15 ms","at DC":"10 000 1/h","title":"3RH2353-1CN20-0KA0","Height":"57.5 mm","Upwards":"10 mm","Forwards":"10 mm","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"6 mm","description":"Contactor relay, 5 NO + 3 NC, 220 V AC, 50 / 60 Hz, Size S00, screw terminal, 2 NO + 2 NC basic unit / EN Varistor plugged on","1 Rated Value":"50 Hz","2 Rated Value":"60 Hz","During Storage":"-55 ... +80 °C","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN 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","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":"10 000 000","at 110 V rated value":"3 A","at 220 V rated value":"1.2 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 440 V rated value":"0.5 A","at 50 Hz rated value":"220 V","at 500 V rated value":"2 A","at 60 Hz rated value":"220 V","at 600 V rated value":"0.26 A","at 690 V rated value":"1 A","Instantaneous Contact":"5","Relative Humidity Minimum":"10 %","Substance Prohibitance (Date)":"07/01/2006","Design Of The Surge Suppressor":"with varistor","Product Extension Auxiliary Switch":"No","Surge Voltage Resistance Rated Value":"6 kV","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","for AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 2x 12","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 %","apparent holding power of magnet coil at AC":"5.7 VA","apparent pick-up power of magnet coil at AC":"37 VA","with high demand rate according to SN 31920":"73 %","number of NC contacts for auxiliary contacts":"3","number of NO contacts for auxiliary contacts":"5","Type Of Voltage Of The Control Supply Voltage":"AC","contact rating of auxiliary contacts according to UL":"A600 / Q600","Inductive Power Factor With Closing Power Of The Coil":"0.8","Identification Number And Letter For Switching Elements":"53 E","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Inductive Power Factor With The Holding Power Of The Coil":"0.25","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/dc5db15824e5dca1315945605baaced4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=59970&mlfb=3RH2353-1CN20-0KA0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RH2353-1CN20-0KA0","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/3RH2353-1CN20-0KA0 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}}