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Siemens 3RV1021-1JA10 motor protection circuit breaker for industrial use

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Siemens 3RV1021-1JA10

by Siemens

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OverviewThe Siemens 3RV1021-1JA10 motor protection circuit breaker provides essential overload and short-circuit defense for electric motors and circuits in various industrial settings. This device is specifically engineered to shield motors from electrical damage caused by excessive current, ensuring continuous and safe operation. With easily adjustable settings, the 3RV1021-1JA10 offers flexibility to meet the protection requirements of numerous motor types and uses. Its compact construction allows for effortless integration into control panels, delivering powerful and consistent protection even in confined spaces.Key Features Model & Type: Siemens 3RV1021-1JA10, a dedicated motor protection circuit breaker. Adjustable Overload Protection: Guards motors from excessive current with precise and adjustable overload settings (4A to 6A). Instant Short Circuit Protection: Quickly cuts off power to prevent damage from critical short-circuit events. Space-Saving Design: Compact dimensions (45 x 75 x 120 mm) optimize valuable panel space and simplify integration. Versatile Current Ratings: Designed to accommodate various motor sizes and electrical system demands with a 6A rated current. Clear Indication & Reset: Features LED lights for operational status and a convenient manual resetting function for ease of use. High Breaking Capacity: Offers a robust 25kA breaking capacity at 400V AC for enhanced safety and reliability. Technical Specifications Rated Voltage: 230V AC Rated Current: 6A Mounting Type: DIN rail mountable for standard installations Breaking Capacity: 25kA at 400V AC Adjustable Overload Protection Range: 4A to 6A Operating Temperature Range: -25°C to +60°C Protection Class: IP20 Dimensions (W x H x D): 45 x 75 x 120 mm Weight: 0.3 kg Compliance: CE, UL certified for international standards Applications Industrial Motor Protection: Essential for protecting critical motors in manufacturing and industrial settings against electrical faults. Control Panel Integration: Provides reliable circuit protection within industrial control panels, ensuring system integrity. Automation Systems: Crucial for maintaining the uptime and reliability of automated machinery and production lines. Material Handling & Conveyor Systems: Safeguards motors driving conveyor belts and other material handling equipment. HVAC Systems: Protects motors in heating, ventilation, and air conditioning systems, enhancing building efficiency and safety. Pumping Stations: Ideal for protecting pump motors in water treatment, irrigation, and other fluid handling applications. Why Choose This Model? Unwavering Reliability: Siemens' renowned quality ensures continuous and dependable motor protection in the most demanding industrial settings. Optimized Motor Lifespan: Effectively prevents overcurrent damage, significantly extending the operational life of valuable motors and reducing replacement costs. Enhanced System Uptime: Rapid fault detection and interruption minimize downtime, ensuring continuous productivity for your operations. Installation Versatility: The compact design and DIN rail mounting offer flexibility for easy integration into existing or new control systems. User-Friendly Operation: Simplified monitoring with LED indicators and straightforward manual resetting contribute to streamlined maintenance. Global Compliance: CE and UL certifications provide assurance of adherence to stringent international safety and performance standards. Order NowImprove the safety and efficiency of your industrial operations with the Siemens 3RV1021-1JA10 Motor Protection Circuit Breaker. Designed for robust performance and ease of integration, it’s the smart choice for protecting your critical motor assets. Add it to your cart today.FAQWhat is the primary function of the Siemens 3RV1021-1JA10?Its primary function is to provide comprehensive overload and short-circuit protection for electric motors in industrial environments, safeguarding them from damage caused by overcurrent conditions.What are the adjustable overload protection settings for this model?The adjustable overload protection range for this model is from 4A to 6A, allowing for precise customization based on specific motor requirements.Is this device suitable for compact installations?Yes, its intelligently compact design (45 x 75 x 120 mm) allows for seamless integration into control panels, making it ideal for space-constrained installations.What is the breaking capacity of the 3RV1021-1JA10?It offers a robust breaking capacity of 25kA at 400V AC, ensuring enhanced safety and reliability during critical short-circuit events.Does this motor protection circuit breaker meet international standards?Yes, it is both CE and UL certified, ensuring adherence to stringent international safety and performance standards.

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$598.00
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PRODUCT DETAILS

Siemens 3RV1021-1JA10

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:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Rated Voltage: 230V AC
  • Rated Current: 6A
  • Mounting Type: DIN rail mountable for standard installations
  • Breaking Capacity: 25kA at 400V AC
  • Adjustable Overload Protection Range: 4A to 6A
  • Operating Temperature Range: -25°C to +60°C
  • Protection Class: IP20
  • Dimensions (W x H x D): 45 x 75 x 120 mm
  • Weight: 0.3 kg
  • Compliance: CE, UL certified for international standards

Applications

  • Industrial Motor Protection: Essential for protecting critical motors in manufacturing and industrial settings against electrical faults.
  • Control Panel Integration: Provides reliable circuit protection within industrial control panels, ensuring system integrity.
  • Automation Systems: Crucial for maintaining the uptime and reliability of automated machinery and production lines.
  • Material Handling & Conveyor Systems: Safeguards motors driving conveyor belts and other material handling equipment.
  • HVAC Systems: Protects motors in heating, ventilation, and air conditioning systems, enhancing building efficiency and safety.
  • Pumping Stations: Ideal for protecting pump motors in water treatment, irrigation, and other fluid handling applications.

Why Choose the 3RV1021-1JA10?

  • Unwavering Reliability: Siemens' renowned quality ensures continuous and dependable motor protection in the most demanding industrial settings.
  • Optimized Motor Lifespan: Effectively prevents overcurrent damage, significantly extending the operational life of valuable motors and reducing replacement costs.
  • Enhanced System Uptime: Rapid fault detection and interruption minimize downtime, ensuring continuous productivity for your operations.
  • Installation Versatility: The compact design and DIN rail mounting offer flexibility for easy integration into existing or new control systems.
  • User-Friendly Operation: Simplified monitoring with LED indicators and straightforward manual resetting contribute to streamlined maintenance.
  • Global Compliance: CE and UL certifications provide assurance of adherence to stringent international safety and performance standards.

Availability & Shipping

  • In stock: 3RV1021-1JA10 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 3RV1021-1JA10 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

Its primary function is to provide comprehensive overload and short-circuit protection for electric motors in industrial environments, safeguarding them from damage caused by overcurrent conditions.

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.

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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.

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