{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1021-1JA15-ZW95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1021-1JA15-ZW95","canonicalUrl":"https://aoctrl.com/siemens/3RV1021-1JA15-ZW95","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1JA15-ZW95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1021-1JA15-ZW95, 10 A continuous, CLASS 10 trip, 100 kA breaking capacity at 400 V AC, 4 kW motor rating at 400 V, screw terminals, snap-on DIN rail.","salesMarkdown":"The Siemens 3RV1021-1JA15-ZW95 is a SIRIUS motor protection circuit breaker designed for motor protection, rated at 10 A continuous current with a CLASS 10 trip characteristic, meaning it will trip within 10 seconds at 7.2× rated current — fast enough to protect standard induction motors during locked-rotor conditions. It mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 50022, fitting a 45 mm wide footprint with 96 mm depth and 97 mm height, and accepts screw-type terminals for the main circuit. The breaker includes an auxiliary switch (transverse design) and provides phase failure detection, but no ground fault detection. ## Breaking capacity and motor power Breaking capacity reaches 100 kA at 240 V AC and 400 V AC, 42 kA at 500 V AC, and 6 kA at 690 V AC — sufficient for high-fault industrial panels. Motor power rating is 4 kW at 400 V AC-3, with a maximum switching frequency of 15 operations per hour at AC-3 duty. Rated insulation voltage is 690 V; the auxiliary contacts switch 1 A at 24 V, 0.5 A at 230 V, and 0.15 A at 60 V. Operates from -20 °C to +60 °C, stores and transports from -50 °C to +80 °C, and is rated for altitudes up to 2,000 m. Front face is IP20; mechanical endurance of the main contacts is 100,000 operations typical. ## Terminal capacity Screw terminals accept solid conductors: 2×(0.5…1.5 mm²) and 2×(0.75…2.5 mm²); stranded: 2×(1…2.5 mm²) and 2×(2.5…6 mm²).","metaTitle":"Siemens 3RV1021-1JA15-ZW95 SIRIUS Motor Protection Circuit B","metaDescription":"Siemens 3RV1021-1JA15-ZW95 SIRIUS motor protection circuit breaker, 10 A continuous, CLASS 10 trip, 100 kA breaking at 400 V, 4 kW at 400 V. Current production. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"96 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Width":"45 mm","Height":"97 mm","Maximum":"2 000 m","at 24 V":"1 A","at 60 V":"0.15 A","Stranded":"2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)","at 230 V":"0.5 A","Backwards":"0 mm","Trip class":"CLASS 10","At The Side":"0 mm","Rated Value":"690 V","On The Front":"IP20","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","During Storage":"-50 ... +80 °C","at AC-3 maximum":"15 1/h","lifecycle_stage":"current","Auxiliary switch":"Yes","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Shock resistance":"25g / 11 ms","Mounting position":"any","Product brand name":"SIRIUS","Product designation":"circuit breaker","at 400 V rated value":"4 kW","Design of the product":"for motor protection","For Auxiliary Contacts":"0","Ground fault detection":"No","Phase failure detection":"Yes","For Main Current Circuit":"screw-type terminals","at AC at 240 V rated value":"100 kA","at AC at 400 V rated value":"100 kA","at AC at 500 V rated value":"42 kA","at AC at 690 V rated value":"6 kA","at AC-3 rated value maximum":"690 V","Of The Main Contacts Typical":"100 000","at AC in hot operating state":"9.25 W","Continuous current rated value":"10 A","Design of the auxiliary switch":"transverse","at AWG conductors for main contacts":"2x (14 ... 10)","Surge voltage resistance rated value":"6 000 V","at AC in hot operating state per pole":"3.1 W","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","at AWG conductors for auxiliary contacts":"2x (18 ... 14)","For Auxiliary And Control Current Circuit":"screw-type terminals","Removable Terminal For Auxiliary And Control Circuit":"No","Design of the overcurrent release and short-circuit release":"thermomagnetic","Arrangement of electrical connectors for main current circuit":"front side","Adjustable pick-up value current of the current-dependent overload release":"7 ... 10 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=383138&mlfb=3RV1021-1JA15-ZW95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1021-1JA15-ZW95/alternatives.json"},"ai":{"faq":[{"question":"Does 3RV1021-1JA15-ZW95 include an auxiliary switch?","answer":"Yes, it includes an auxiliary switch (transverse design)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1021-1JA15-ZW95","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/3RV1021-1JA15-ZW95 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}}