Reliable Circuit Protection with the Siemens 3RV1021-1JA10 Protector
The Siemens 3RV1021-1JA10 is a high-performance motor starter protector from the established SIRIUS 3RV1 series. This 3-pole circuit breaker is specifically engineered for the protection and switching of three-phase motors and other electrical loads. With a focus on operational safety, it provides both a thermal-magnetic trip for overload protection and an instantaneous magnetic release for short-circuit protection. Its compact S0 frame size makes it an ideal choice for high-density control cabinets where reliable performance and space efficiency are primary commercial requirements.
Technical Specifications and Industrial Design
According to the official manufacturer datasheets, this unit is built to rigorous industrial standards to ensure system longevity.
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Part Number: 3RV1021-1JA10
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Current Setting Range: 7 to 10 A (Adjustable thermal overload).
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Instantaneous Short-Circuit Release: 130 A.
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Rated Operational Voltage: 690 V AC.
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Breaking Capacity ($I_{cu}$): 50 kA at 400 V AC.
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Size: S0 (SIRIUS modular system).
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Connection: Screw-type terminals for secure and vibration-resistant wiring.
Commercial Advice for Industrial Procurement
From a strategic procurement perspective, the 3RV1021-1JA10 is a versatile asset for maintaining production uptime. The 7-10A setting range is a standard power band for medium-sized industrial pumps, mixers, and conveyor drives, making it a critical component for any facility’s spare parts inventory.
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Cost-Efficient Safety: By integrating short-circuit and overload protection into a single modular unit, you reduce the total number of components required in your assembly, lowering both material costs and cabinet wiring complexity.
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Optimized Operational Continuity: The adjustable thermal release allows for precise calibration to the motor’s nameplate current. This level of accuracy prevents nuisance tripping and ensures that the system remains active while still providing a robust safety margin against expensive motor failures.
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Global Market Versatility: With full international certifications (CE, UL, CSA, CCC), this protector is a commercially reliable choice for equipment intended for global export, ensuring compliance with diverse electrical regulations.
Professional Sourcing and Reliability
As specialized suppliers of Siemens industrial hardware, we provide the commercial reliability and global logistics necessary to keep your facility operational.
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100% Genuine Siemens: We guarantee that every 3RV1021-1JA10 is a brand-new, original factory product.
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Fast Global Shipping: We utilize an express logistics network to ensure your protection components are delivered quickly, supporting your urgent maintenance and project build-up needs.
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Reliable Inventory Management: We maintain consistent stock of the SIRIUS 3RV series to help our clients avoid the long lead times often associated with high-demand industrial power components.
