{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RV1031-4HA10-ZW95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RV1031-4HA10-ZW95","canonicalUrl":"https://aoctrl.com/siemens/3RV1031-4HA10-ZW95","factsUrl":"https://aoctrl.com/api/mcp/products/3RV1031-4HA10-ZW95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS motor protection circuit breaker, 3RV1031-4HA10-ZW95, 50 A continuous, CLASS 10 trip, 22 kW at 400 V, screw terminals, IP20 front, DIN rail mount.","salesMarkdown":"It protects a 22 kW motor at 400 V and interrupts faults up to 50 kA at that voltage, so it handles high-fault-capacity industrial feeders without cascading upstream breakers. Three-pole design, screw-type box terminals for the main circuit, and separate screw terminals for auxiliary/control wiring. Accepts solid wire 2x (0.75 to 16 mm²) and stranded up to 2x (0.75 to 25 mm²), plus a single 35 mm² conductor. ## Trip Class and Motor Protection No ground-fault detection on this variant — the 3RV1031-4HA10-ZW95 handles overload and short-circuit only. If ground-fault protection is needed, pair it with a separate ground-fault relay or choose a different SIRIUS order code. Rated breaking capacity: 100 kA at 240 V AC, 50 kA at 400 V AC, 10 kA at 500 V AC, 4 kA at 690 V AC. At 400 V — the most common industrial motor voltage — the 50 kA figure gives ample headroom for high-fault installations, allowing selective coordination with downstream contactors and upstream feeders. Surge voltage resistance rated at 6 kV. Shock rated at 25 g for 11 ms — survives rough handling during panel assembly and transport. Main circuit screw-type box terminals accept solid 2x (0.75 to 16 mm²), stranded 2x (0.75 to 25 mm²), and a single stranded conductor up to 35 mm². For fine-stranded wire with ferrules, the range is 2x (0.75 to 16 mm²) or a single 0.75 to 25 mm². AWG equivalents: 2x (18 to 2) solid, 1x (18 to 2) for the single conductor. Auxiliary and control circuit terminals are screw-type as well, and the breaker accepts an auxiliary switch extension — order the switch module separately if remote status indication is needed. ## Power Loss and Duty Cycle Total power loss in hot operating state is 29 W; per-pole loss is 9.7 W. At AC-3 duty the maximum switching frequency is 15 operations per hour — adequate for motor starting cycles on pumps, fans, and compressors, but not for rapid cycling applications like stamping presses.","metaTitle":"Siemens 3RV1031-4HA10-ZW95 SIRIUS Motor Protection Circuit B","metaDescription":"Siemens 3RV1031-4HA10-ZW95 SIRIUS motor protection circuit breaker, 50 A continuous, CLASS 10 trip, 22 kW at 400 V, 50 kA breaking capacity. Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Protection Circuit Breakers (MPCB)"],"specifications":{"Depth":"149 mm","Solid":"2x (0.75 ... 16 mm²)","Width":"55 mm","Height":"140 mm","Stranded":"2x (0.75 ... 25 mm²), 1x (0.75 … 35 mm²)","Backwards":"0 mm","Trip Class":"CLASS 10","At The Side":"0 mm","Rated Value":"690 V","During Storage":"-50 ... +80 °C","lifecycle_stage":"current","During Operation":"-20 ... +60 °C","During Transport":"-50 ... +80 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Shock Resistance":"25g / 11 ms","Mounting Position":"any","Product Brand Name":"SIRIUS","Product Designation":"circuit breaker","at 400 V rated value":"22 kW","Design Of The Product":"for motor protection","Ground Fault Detection":"No","Phase Failure Detection":"Yes","For Main Current Circuit":"screw-type terminals with box terminals","at AC at 240 V rated value":"100 kA","at AC at 400 V rated value":"50 kA","at AC at 500 V rated value":"10 kA","at AC at 690 V rated value":"4 kA","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"29 W","Substance Prohibitance (Date)":"07/01/2006","Continuous Current Rated Value":"50 A","at AWG cables for main contacts":"2x (18 ... 2), 1x (18 ... 2)","protection class IP on the front":"IP20","For Auxiliary And Control Circuit":"screw-type terminals","Product Extension Auxiliary Switch":"Yes","operating frequency at AC-3 maximum":"15 1/h","Surge Voltage Resistance Rated Value":"6 000 V","at AC in hot operating state per pole":"9.7 W","Finely Stranded With Core End Processing":"2x (0.75 ... 16 mm²), 0.75 ... 25 mm²","Number Of Poles For Main Current Circuit":"3","Touch Protection Against Electrical Shock":"finger-safe","number of CO contacts for auxiliary contacts":"0","operational current at AC-3 at 400 V rated value":"50 A","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Design Of The Overcurrent Release And Short-Circuit Release":"thermomagnetic","Arrangement Of Electrical Connectors For Main Current Circuit":"front side","Product Component Removable Terminal For Auxiliary And Control Circuit":"No","Mechanical Service Life (Switching Cycles) Of The Main Contacts Typical":"50 000","Adjustable Current Response Value Current Of The Current-Dependent Overload Release":"40 ... 50 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=324695&mlfb=3RV1031-4HA10-ZW95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RV1031-4HA10-ZW95/alternatives.json"},"ai":{"faq":[{"question":"Will 3RV1031-4HA10-ZW95 drop into a panel specified around 3RV6021-4DA10 without rewiring?","answer":"Physically yes — both mount on 35 mm DIN rail with the same 55 mm width and 140 mm height. But the 3RV1031-4HA10-ZW95 uses screw-type box terminals, while the 3RV6021-4DA10 uses spring-cage terminals. If your existing wiring uses ferruled stranded conductors terminated in spring cages, you can land them in the screw terminals, but you will need a screwdriver and torque driver instead of a push-in tool."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RV1031-4HA10-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/3RV1031-4HA10-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}}