{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2626-1AP65","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2626-1AP65","canonicalUrl":"https://aoctrl.com/siemens/3RT2626-1AP65","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2626-1AP65","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2626-1AP65 capacitor contactor, size S0, 45 mm width, screw-type coil terminals, 220 V AC / 240 V AC 50/60 Hz coil, 3-pole, screw and snap-on 35 mm DIN rail mounting.","salesMarkdown":"## Capacitor switching contactor — what it does and where it fits The Siemens 3RT2626-1AP65 is a SIRIUS series capacitor contactor, size S0, designed specifically for switching capacitor banks in power factor correction (PFC) applications. Unlike a standard motor contactor, it includes pre-charge resistors and a dedicated switching sequence that limits inrush current when energising a discharged capacitor — preventing contact welding and nuisance fuse trips. ## Switching ratings across the voltage range These are the currents the contactor can make and break for capacitor loads — the values drop at higher voltages due to the increased stress on the arc-quenching system. Maximum switching frequency is 100 operations per hour across the entire voltage range from 230 V to 690 V — this is the thermal limit of the pre-charge circuit, not the main contacts. The arcing time is a tight 10 ms, and the total switching time (including pre-charge) is 4 to 16 ms at AC, ensuring fast capacitor engagement without prolonged arc energy. ## Termination and conductor sizing The magnet coil uses screw-type terminals — the same termination style as the main power circuit. At 40 °C ambient, a single 10 mm² conductor is permitted; at 60 °C, two 10 mm² conductors are required to handle the same current with the higher temperature derating. No attachable auxiliary contact blocks are fitted as standard (0 auxiliary contacts) — the contactor ships as a bare capacitor-switching device. If auxiliary signalling is needed, the S0 frame accepts the standard SIRIUS auxiliary contact block range, which must be ordered separately. ## Environmental limits and coil data Lifecycle status is current production — the 3RT2626-1AP65 remains an active catalogue item from Siemens.","metaTitle":"Siemens 3RT2626-1AP65 SIRIUS Capacitor Contactor, S0, 45 mm","metaDescription":"Siemens 3RT2626-1AP65 SIRIUS capacitor contactor, size S0, 45 mm width, screw-type coil terminals.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"155 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²","Width":"45 mm","at AC":"4 ... 16 ms","Height":"135 mm","at 24 V":"6 A","at 60 V":"2 A","Stranded":"2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)","at 110 V":"1 A","at 125 V":"0.9 A","at 220 V":"0.3 A","at 230 V":"6 A","at 400 V":"3 A","at 50 Hz":"0.8 ... 1.1","at 690 V":"1 A","at 40 °C":"1x 10 mm²","at 60 °C":"2x 10 mm²","Attachable":"0","Arcing Time":"10 ... 10 ms","1 Rated Value":"50 Hz","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","Type Of Voltage":"AC","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022","at 230 V maximum":"100 1/h","at 240 V maximum":"100 1/h","at 400 V maximum":"100 1/h","at 480 V maximum":"100 1/h","at 500 V maximum":"100 1/h","at 600 V maximum":"100 1/h","at 690 V maximum":"100 1/h","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":"S0","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²","Product Brand Name":"SIRIUS","Product Designation":"capacitor contactors","at 50 Hz rated value":"220 ... 220 V","at 60 Hz rated value":"240 ... 240 V","Instantaneous Contact":"1","For Main Current Circuit":"screw-type terminals","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"6 kV","Substance Prohibitance (Date)":"05/01/2014","For Grounded Parts At The Side":"10 mm","Of Auxiliary Circuit Rated Value":"6 kV","For Auxiliary And Control Circuit":"screw-type terminals","Product Extension Auxiliary Switch":"No","at AC at 230 V maximum permissible":"7 mA","At Contactor For Auxiliary Contacts":"Screw-type terminals","for AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 2x 12","With Side-By-Side Mounting At The Side":"10 mm","Electrical Endurance (Operating Cycles)":"200 000","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"0.00000001","mirror contact according to IEC 60947-4-1":"No","apparent holding power of magnet coil at AC":"9.8 VA","apparent pick-up power of magnet coil at AC":"77 VA","number of NC contacts for auxiliary contacts":"2","number of NO contacts for auxiliary contacts":"1","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":"0.82","Of Main Circuit With Degree Of Pollution 3 Rated Value":"690 V","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":"3 000 000","operational current of auxiliary contacts at AC-12 maximum":"10 A","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"690 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","AWG number as coded connectable conductor cross section for main contacts":"16 ... 8","For Short-Circuit Protection Of The Main Circuit With Type Of Coordination 1 Required":"gG: 63 A (690 V, 50 kA)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/36dd2efac410d81a7399adb948b76e7c.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=646315&mlfb=3RT2626-1AP65","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2626-1AP65/alternatives.json"},"ai":{"faq":[{"question":"What is the 3RT2626-1AP65 used for?","answer":"It is a capacitor contactor for switching capacitor banks in power factor correction systems. Unlike a general-purpose contactor, it includes a pre-charge circuit that limits inrush current when connecting a discharged capacitor to the mains, preventing contact welding."},{"question":"What conductor sizes does the 3RT2626-1AP65 accept?","answer":"At elevated ambient temperatures, derating applies — at 40 °C one 10 mm² conductor is allowed; at 60 °C two 10 mm² conductors are required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2626-1AP65","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/3RT2626-1AP65 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}}