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3RV1021-1CA10

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The Siemens 3RV1021-1CA10 is a robust motor protection circuit breaker designed for industrial automation systems. Featuring a rotary dial for precise motor full load current (FLA) adjustment, it offers reliable protection against overload and short-circuits. With its Class 10 frame size and built-in heater elements, the device ensures sensitive thermal overload release within the adjustable range of 1.8 to 2.5 A. This compact protector is trusted worldwide to shield motors and improve operational safety in manufacturing and process control environments.

Key Features of Siemens 3RV1021-1CA10

  • Circuit breaker size S0 with Class 10 A-release for motor protection
  • Overload setting range adjustable from 1.8 to 2.5 A
  • Magnetic trip element for short-circuit protection at 33 A
  • Screw terminal connection for easy installation
  • Auxiliary switch included for remote monitoring
  • Compact dimensions: 97 mm height, 45 mm width, 96 mm depth
  • Typical power loss around 6 watts, enhancing energy efficiency
  • IP20 protection rating suitable for many industrial environments
  • Endurance to altitude up to 2000 m and ambient temperatures from -20 to +60 °C

Explore Siemens 3RV1021-1CA10 datasheet for detailed parameters

Specification Details
FLA Adjustment Range 1.8 – 2.5 A
Short-Circuit Trip 33 A
Power Loss 6 W typical
Protection Class IP20
Dimensions (H x W x D) 97 mm x 45 mm x 96 mm
Operating Temperature -20 to +60 °C

Applications / Use Case

This Siemens 3RV1021-1CA10 is commonly used in industrial automation worldwide. It is ideal for protecting motors in machine automation, production lines, and factory control panels. Its reliable overload and short-circuit protection help prevent equipment damage and minimize downtime in demanding operational environments. Whether safeguarding conveyor motors or controlling drives in process systems, it offers consistent performance for diverse industrial applications.

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3RV1021-1CA10

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