{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2315-8XE30-2BB4","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2315-8XE30-2BB4","canonicalUrl":"https://aoctrl.com/siemens/3RA2315-8XE30-2BB4","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2315-8XE30-2BB4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RA2315-8XE30-2BB4 reversing contactor assembly, size S00, 3 kW at 400 V AC-3, 24 VDC coil, spring-type terminals, screw and snap-on 35 mm DIN rail mounting.","salesMarkdown":"## Reversing duty in a compact S00 footprint The Siemens 3RA2315-8XE30-2BB4 is a factory-assembled reversing contactor assembly from the SIRIUS family, size S00. It integrates two contactors with a mechanical interlock so a single order code delivers the reversing pair ready to wire into a motor control panel. The 24 VDC coil keeps the control circuit isolated from the main power. Spring-loaded terminals on both the main current circuit and the auxiliary/control circuit mean no screwdriver needed for wiring — push in the ferruled stranded wire and the cage grips it. That saves time on a panel build where every terminal counts. ## Panel fit and mounting flexibility At 90 mm wide, 84 mm high, and 83 mm deep, this reversing assembly fits the standard S00 footprint — it occupies the same DIN rail space as a single S00 contactor plus the interlock hardware. Screw and snap-on mounting onto 35 mm standard mounting rail means it clips onto the rail and can be screwed down for vibration resistance. Mounting position is flexible: the assembly can be rotated +/-180° on a vertical surface and tilted forward or backward by +/-22.5°. That helps when the panel layout forces an odd angle. Clearance requirements are 6 mm upwards, forwards, and downwards, with zero clearance needed backwards — tight panel builders can pack it close to the backplane. The shock resistance rating of 10.5g at 5 ms and 6.6g at 10 ms (both AC and DC) means it holds up in industrial environments with vibration from nearby contactors or motor starts. ## Wiring and terminal capacity The spring-loaded design works with ferruled stranded conductors — no need to tighten screw terminals, which reduces wiring time and eliminates the risk of loose connections from thermal cycling. The supplied contactors are 3RT2015-2BB42-0CC0 and 3RT2015-2BB42, and the reversing assembly kit is 3RA2913-2AA2. If you already have those contactors in stock, the kit alone can be ordered separately for field assembly, though the factory-assembled unit saves labor. Mechanical life is rated at 10,000,000 operations typical for the contactor — that's the mechanical endurance of the switching mechanism, not the electrical life under load. For reversing duty where the motor stops and restarts in the opposite direction, the electrical life will be lower and depends on the switching frequency and load current. RoHS compliance date is 10/01/2009 — the assembly meets the EU RoHS directive for substance restrictions.","metaTitle":"Siemens 3RA2315-8XE30-2BB4 SIRIUS Reversing Contactor","metaDescription":"Siemens 3RA2315-8XE30-2BB4 SIRIUS reversing contactor assembly, size S00, 3 kW at 400 V AC-3, 24 VDC coil, spring terminals. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Motor Starters"],"specifications":{"Depth":"83 mm","Solid":"2x (0.5 ... 4 mm²)","Width":"90 mm","at AC":"10,5g / 5 ms, 6,6g / 10 ms","at DC":"10,5g / 5 ms, 6,6g / 10 ms","title":"3RA2315-8XE30-2BB4","Height":"84 mm","Upwards":"6 mm","Forwards":"6 mm","Backwards":"0 mm","Downwards":"6 mm","At The Side":"6 mm","description":"reversing contactor assembly, AC-3e/AC-3, 7 A, 3 kW / 400 V, 3-pole, 24 V DC, spring-loaded terminal, electrical and mechanical interlock, with voltage tap for 3RA27","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Spring-type terminals","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 ... 2.5 mm²)","at DC rated value":"24 V","Product Brand Name":"SIRIUS","Product Designation":"Reversing contactor assembly","Of Contactor Typical":"10 000 000","at 400 V rated value":"3 kW","at 480 V rated value":"4.8 A","at 500 V rated value":"3 kW","at 600 V rated value":"6.1 A","at 690 V rated value":"4 kW","For Main Current Circuit":"spring-loaded terminals","at 200/208 V rated value":"1.5 hp","at 220/230 V rated value":"2 hp","at 460/480 V rated value":"3 hp","at 575/600 V rated value":"5 hp","1 Of The Supplied Contactor":"3RT2015-2BB42-0CC0","2 Of The Supplied Contactor":"3RT2015-2BB42","at AC-4 at 400 V rated value":"3 kW","Substance Prohibitance (Date)":"10/01/2009","at AWG cables for main contacts":"1x (20 ... 12)","of the supplied RH assembly kit":"3RA2913-2AA2","For Auxiliary And Control Circuit":"spring-loaded terminals","Product Extension Auxiliary Switch":"Yes","Product Function Bus Communication":"Yes","With Type Of Assignment 2 Required":"gG NH 3NA, DIAZED 5SB, NEOZED 5SE: 20 A","closing power of magnet coil at DC":"4 W","holding power of magnet coil at DC":"4 W","At Contactor For Auxiliary Contacts":"Spring-type terminals","operating frequency at AC-3 maximum":"750 1/h","With Type Of Coordination 1 Required":"gG NH 3NA, DIAZED 5SB, NEOZED 5SE: 35 A","at AWG cables for auxiliary contacts":"2x (20 ... 14)","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)","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"< 1 error per 100 million operating cycles","with low demand rate according to SN 31920":"40 %","Finely Stranded Without Core End Processing":"2x (0.5 ... 1.5 mm²)","protocol is supported AS-Interface protocol":"No","with high demand rate according to SN 31920":"75 %","Type Of Voltage Of The Control Supply Voltage":"DC","operating voltage at AC-3 rated value maximum":"690 V","contact rating of auxiliary contacts according to UL":"A600 / Q600","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","product function control circuit interface with IO link":"No","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gG: 10 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/44f91aa55b376e6b4589ac9428c9a485.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=309124&mlfb=3RA2315-8XE30-2BB4"},"ai":{"faq":[{"question":"What terminals does 3RA2315-8XE30-2BB4 use?","answer":"Both the main current circuit and the auxiliary/control circuit use spring-loaded terminals (spring-type terminals for the magnet coil). No screwdriver needed — push in the ferruled wire."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2315-8XE30-2BB4","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/3RA2315-8XE30-2BB4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T00:32:56.170Z","lastPublished":"2026-07-21T00:32:56.170Z","indexable":true}}