Enhanced Motor Protection with the Siemens 3RV1031-4GA10
The Siemens 3RV1031-4GA10 is a robust and reliable motor starter protector from the acclaimed SIRIUS 3RV1 series. Engineered for the high-demand switching and protection of three-phase motors up to 22 kW, this size S2 device provides critical thermal-magnetic protection. It is designed to safeguard your industrial equipment against overloads and short circuits, ensuring operational safety and long-term reliability in complex automation environments. Its compact yet powerful design makes it an essential component for modern control cabinets where power density and safety are paramount.
Core Technical Specifications and Industrial Build
Based on official manufacturer datasheets, this circuit breaker is built to withstand rigorous industrial conditions while providing precise control.
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Part Number: 3RV1031-4GA10
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Current Setting Range: 36 … 45 A (Adjustable thermal overload).
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Instantaneous Short-Circuit Release: 585 A.
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Frame Size: S2 (SIRIUS modular system).
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Breaking Capacity ($I_{cu}$): 50 kA at 400 V AC.
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Rated Operational Voltage: 690 V AC.
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Connection Type: Screw-type terminals for secure, high-current connectivity.
Strategic Commercial Advice for Power Distribution
From a procurement perspective, the 3RV1031-4GA10 represents a high-value investment for maintaining industrial uptime. The 36-45A range is a critical power band for heavy-duty pumps, large fans, and industrial compressors, making it a vital item for your facility’s maintenance stock.
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Cost-Effective System Safety: By combining overload and short-circuit protection in a single S2 frame unit, you reduce the need for additional fuses or relays. This leads to lower hardware costs and reduced labor during cabinet assembly.
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Operational Stability: The adjustable thermal release allows for exact calibration to your motor’s rated current. This accuracy minimizes the risk of nuisance tripping, which commercially translates to higher productivity and fewer interruptions on the production line.
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Global Market Readiness: With full compliance with international standards (IEC, UL, CSA), machinery equipped with this protector is ready for global export, ensuring seamless integration into various international electrical grids.
Professional Sourcing and Global Reliability
As specialized suppliers of Siemens industrial control technology, we provide the commercial reliability and logistical efficiency your projects demand.
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100% Genuine Siemens: We guarantee that every 3RV1031-4GA10 is an original, brand-new factory product.
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Rapid Global Logistics: We utilize an express shipping network to deliver your motor starter protectors quickly, supporting your urgent maintenance and installation timelines.
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Secure Inventory: We maintain consistent stock of the SIRIUS S2 series to help our clients avoid long manufacturer lead times.
