{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RB2015-2PB0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RB2015-2PB0","canonicalUrl":"https://aoctrl.com/siemens/3RB2015-2PB0","factsUrl":"https://aoctrl.com/api/mcp/products/3RB2015-2PB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS solid-state overload relay, CLASS 20E, 690 V AC-3 max, contactor mounting, IP20 front, ATEX Ex II (2) GD, 3RB2015-2PB0.","salesMarkdown":"## Solid-state overload relay, CLASS 20E, contactor-mounted The Siemens 3RB2015-2PB0 is a SIRIUS solid-state overload relay (product designation per) with trip class CLASS 20E, designed for contactor mounting. It provides motor protection for three-phase AC loads up to 690 V AC-3 rated maximum. ## Electrical ratings and auxiliary contact capacity Auxiliary contact ratings are specified at multiple control voltages: 2 A at 24 V, 4 A at 120 V, and 3 A at 230 V. For DC switching, the relay carries 0.55 A at 60 V, 0.3 A at 110 V, 0.3 A at 125 V, and 0.11 A at 220 V. These values govern the maximum switched current in the control circuit; the relay provides no built-in auxiliary contacts. ## Environmental, EMC, and ATEX compliance The relay is certified for explosive atmospheres per PTB 06 ATEX 3001 Ex II (2) GD, making it suitable for installation in Zone 2 gas and Zone 22 dust areas when integrated into an appropriate enclosure. It withstands surge voltage of 6 kV and burst immunity of 2 kV on power ports and 1 kV on signal ports per IEC 61000-4-4, severity degree 3. Shock resistance is 15g / 11 ms. Relative humidity during operation may reach 100 %. ## Mounting, clearances, and conductor terminations Mounting is contactor-mounted in any position. Required clearances: 0 mm upwards, 0 mm forwards, 0 mm backwards, 0 mm downwards, and 6 mm at the side. Main current circuit terminals are screw-type accepting solid conductors 0.5... 4 mm², 2x (0.5... 2.5 mm²), or AWG 2x (18... 14). Dimensions: width 45 mm, height 64 mm, depth 73 mm. Power dissipation in hot operating state is 0.05 W total, 0.02 W per pole.","metaTitle":"Siemens 3RB2015-2PB0 SIRIUS Solid-State Overload Relay, CLAS","metaDescription":"Siemens 3RB2015-2PB0 SIRIUS solid-state overload relay, CLASS 20E, 690 V AC-3 max, ATEX Ex II (2) GD, IP20 front, contactor mounting. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"Depth":"73 mm","Solid":"0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)","Width":"45 mm","Height":"64 mm","Maximum":"2 000 m","Upwards":"0 mm","at 24 V":"2 A","at 60 V":"0.55 A","Forwards":"0 mm","at 110 V":"0.3 A","at 120 V":"4 A","at 125 V":"0.3 A","at 220 V":"0.11 A","at 230 V":"3 A","Backwards":"0 mm","Downwards":"0 mm","Trip class":"CLASS 20E","At The Side":"6 mm","On The Front":"IP20","Mounting type":"Contactor mounting","During Storage":"-40 ... +80 °C","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","During Transport":"-40 ... +80 °C","Shock resistance":"15g / 11 ms","Mounting position":"any","Product brand name":"SIRIUS","Type of protection":"PTB 06 ATEX 3001 Ex II (2) GD","Product designation":"solid-state overload relay","For Auxiliary Contacts":"0","For Main Current Circuit":"screw-type terminals","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"0.05 W","Relative humidity during operation":"100 %","due to burst acc. to IEC 61000-4-4":"2 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3","at AWG conductors for main contacts":"2x (18 ... 14)","Surge voltage resistance rated value":"6 kV","Reference code acc. to DIN EN 81346-2":"F","at AC in hot operating state per pole":"0.02 W","With Degree Of Pollution 3 Rated Value":"690 V","Finely Stranded With Core End Processing":"0.5 ... 2.5 mm², 2x (0.5 ... 1.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (20 ... 14)","For Auxiliary And Control Current Circuit":"screw-type terminals","Number of NC contacts for auxiliary contacts":"1","Number of NO contacts for auxiliary contacts":"1","Electrostatic discharge acc. to IEC 61000-4-2":"6 kV contact discharge / 8 kV air discharge","Size of contactor can be combined company-specific":"S00","due to conductor-earth surge acc. to IEC 61000-4-5":"2 kV (line to earth) corresponds to degree of severity 3","Removable Terminal For Auxiliary And Control Circuit":"Yes","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 6 A","Adjustable pick-up value current of the current-dependent overload release":"1 ... 4 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=118515&mlfb=3RB2015-2PB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RB2015-2PB0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RB2015-2PB0 and how do I get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time."},{"question":"What is 3RB2015-2PB0's listed depth?","answer":"The depth is 73 mm."},{"question":"What conductor sizes does the 3RB2015-2PB0 accept?","answer":"The screw-type main terminals accept solid conductors 0.5... 4 mm², 2x (0.5... 2.5 mm²), or AWG 2x (18... 14)."},{"question":"What compliance documentation does this brand provide for 3RB2015-2PB0?","answer":"The relay carries ATEX certification PTB 06 ATEX 3001 Ex II (2) GD and is designed to meet IEC 61000-4-4 burst immunity and 6 kV surge voltage. It is a SIRIUS brand product."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RB2015-2PB0","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/3RB2015-2PB0 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}}