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3RV2021-4NA20

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Regular price $112.18
Sale price $112.18 Regular price


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Overview of Siemens 3RV2021-4NA20

Buy genuine Siemens 3RV2021-4NA20 online today for your automation system. The Siemens 3RV2021-4NA20 is a high-performance motor protection circuit breaker designed for reliable operation in demanding industrial environments. As part of the SIRIUS series, this circuit breaker offers robust protection for motors, ensuring safety and longevity in your control panels. With a rated current range of 23 to 28 A and a spring-type terminal for secure connections, the 3RV2021-4NA20 is engineered for easy installation and maintenance. Its compact size and high switching capacity make it ideal for integration into modern automation setups. Whether you're upgrading an existing system or building a new control panel, the Siemens 3RV2021-4NA20 delivers consistent performance and peace of mind.

Key Features of Siemens 3RV2021-4NA20

  • Motor protection circuit breaker with CLASS 10 trip characteristics
  • Rated current range: 23–28 A for reliable motor protection
  • Spring-type terminals for secure and vibration-resistant connections
  • Compact size S0 for space-saving installation
  • High mechanical and electrical endurance (100,000 operating cycles)
  • Standard switching capacity with N-release at 364 A
  • Insulation voltage up to 690 V AC, suitable for industrial applications
  • Shock resistance according to IEC 60068-2-27 (25g / 11 ms)
  • Reusable design for long-term reliability

Technical Specs of 3RV2021-4NA20

Explore Siemens 3RV2021-4NA20 specifications for detailed parameters before installation.

Parameter Value
Rated Current 23–28 A
Rated Voltage 690 V AC
Number of Poles 3
Size S0
Insulation Voltage 690 V
Surge Voltage Resistance 6 kV
Shock Resistance 25g / 11 ms
Power Loss (AC, hot) 13.25 W
Dimensions (WxHxD) 45 x 119 x 97 mm
IP Rating IP20

Applications / Use Case

This Siemens 3RV2021-4NA20 is commonly used in industrial automation worldwide. It is ideal for protecting motors in factory control panels, production line systems, and machine automation setups. The circuit breaker's robust design and high endurance make it suitable for continuous operation in harsh environments, ensuring reliable protection for motors and equipment. Whether you need a solution for packaging and conveyor operations or motion control setups, the 3RV2021-4NA20 is a trusted choice for engineers and maintenance professionals.

Price & Availability

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3RV2021-4NA20

$112.18

  • ACHIEVING

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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