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Siemens 3RV1021-4BA10
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3RV1021-4BA10 is a high-performance Motor Protection Circuit Breaker (MPCB) from the renowned SIRIUS 3RV10 series, meticulously engineered to safeguard industrial motors and electrical equipment. This essential device provides comprehensive protection against common electrical faults, including overload, short-circuit, and phase failure, ensuring continuous and reliable operation. With an adjustable current range of 17-25A and a robust 690V AC voltage rating, this MPCB is ideal for a wide array of applications, from manufacturing process lines to critical conveyor and pump systems. Its advanced thermal and magnetic trip mechanisms prevent costly damage, reduce unplanned downtime, and significantly enhance overall system reliability and efficiency. Invest in the Siemens 3RV1021-4BA10 for unparalleled motor protection and peace of mind in industrial environments.Key Features Adjustable Current Range (17-25A): Precisely configure the protection settings to match your specific motor requirements, ensuring optimal safety and extended motor life. High Breaking Capacity: Engineered to withstand and interrupt high fault currents, providing superior protection against severe short circuits and electrical disturbances. Thermal Overload Protection: Effectively guards motors against overheating caused by sustained overcurrents, preventing insulation degradation and potential motor failure. Magnetic Short-Circuit Protection: Instantly trips to disconnect power in the event of a sudden, dangerous surge, minimizing damage to equipment and ensuring operational safety. Compact & Space-Saving Design: Optimally designed for efficient integration into control panels and electrical enclosures, maximizing valuable cabinet space without compromising performance. DIN Rail Mounting: Facilitates quick and tool-free installation in standard industrial control panels, streamlining setup time and reducing labor costs. 690V AC Voltage Rating: Suitable for a broad spectrum of industrial power systems, offering versatile application readiness across various voltage standards. Technical Specifications Model: 3RV1021-4BA10 Series: SIRIUS 3RV10 Current Range: 17-25A (Adjustable) Voltage Rating: 690V AC Breaking Capacity: High-capacity fault interruption Protection Type: Thermal (overload) and Magnetic (short-circuit) Mounting: DIN Rail Certifications: CE, UL, RoHS (Ensuring compliance with international safety and environmental standards) Applications Industrial Motor Protection: Ensures the safe and efficient operation of three-phase AC motors in a variety of industrial settings, from HVAC to heavy machinery. Factory Automation Systems: Integrates seamlessly into automated production lines, enhancing reliability and reducing costly interruptions due to electrical faults. Conveyor and Pumping Systems: Provides robust overload and short-circuit protection for critical material handling and fluid transfer equipment, maintaining continuous operation. Power Distribution Panels & Control Cabinets: Serves as a vital component in electrical distribution, offering stable and protected power delivery within industrial control environments. HVAC Systems: Protects motors in heating, ventilation, and air conditioning units, ensuring durability and consistent performance. Machinery Safety: Essential for safeguarding various types of industrial machinery, preventing damage and ensuring operator safety by rapidly cutting power during faults. Why Choose Unmatched Reliability and Efficiency: Engineered by Siemens, a leader in industrial automation, ensuring long-term stable operation and minimal maintenance. Comprehensive Motor Safeguarding: Offers multi-SIRIUS-faceted protection against overload, short-circuit, and phase failure, extending motor lifespan and preventing premature wear. Seamless Integration and Installation: Its compact size and DIN rail mounting mechanism allow for quick, hassle-free installation and integration into existing systems. Order NowReady to enhance your motor protection? Order the Siemens 3RV1021-4BA10 today and experience superior performance and reliability.FAQQ: What is the current range of the Siemens 3RV1021-4BA10?A: The current range is adjustable from 17-25A, allowing for precise configuration based on your motor's needs.Q: What types of protection does this MPCB offer?A: It provides thermal protection against overload and magnetic protection against short-circuits.Q: Is the Siemens 3RV1021-4BA10 easy to install?A: Yes, with its DIN rail mounting feature, installation is quick and tool-free, simplifying setup in industrial control panels.
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Siemens 3RV1021-4BA10
Overview
This is a genuine Siemens component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 3RV1021-4BA10
- Series: SIRIUS 3RV10
- Current Range: 17-25A (Adjustable)
- Voltage Rating: 690V AC
- Breaking Capacity: High-capacity fault interruption
- Protection Type: Thermal (overload) and Magnetic (short-circuit)
- Mounting: DIN Rail
- Certifications: CE, UL, RoHS (Ensuring compliance with international safety and environmental standards)
Applications
- Industrial Motor Protection: Ensures the safe and efficient operation of three-phase AC motors in a variety of industrial settings, from HVAC to heavy machinery.
- Factory Automation Systems: Integrates seamlessly into automated production lines, enhancing reliability and reducing costly interruptions due to electrical faults.
- Conveyor and Pumping Systems: Provides robust overload and short-circuit protection for critical material handling and fluid transfer equipment, maintaining continuous operation.
- Power Distribution Panels & Control Cabinets: Serves as a vital component in electrical distribution, offering stable and protected power delivery within industrial control environments.
- HVAC Systems: Protects motors in heating, ventilation, and air conditioning units, ensuring durability and consistent performance.
- Machinery Safety: Essential for safeguarding various types of industrial machinery, preventing damage and ensuring operator safety by rapidly cutting power during faults.
Why Choose the 3RV1021-4BA10?
- Unmatched Reliability and Efficiency: Engineered by Siemens, a leader in industrial automation, ensuring long-term stable operation and minimal maintenance.
- Comprehensive Motor Safeguarding: Offers multi-SIRIUS-faceted protection against overload, short-circuit, and phase failure, extending motor lifespan and preventing premature wear.
- Seamless Integration and Installation: Its compact size and DIN rail mounting mechanism allow for quick, hassle-free installation and integration into existing systems.
Availability & Shipping
- ▸In stock: 3RV1021-4BA10 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3RV1021-4BA10 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Siemens resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.