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3RU2116-1FB0

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Regular price $41.70
Sale price $41.70 Regular price


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The Siemens 3RU2116-1FB0 is an industrial-grade thermal overload relay designed to protect three-phase motors from damage caused by overload, phase failure, and phase asymmetry. Part of the Siemens Sirius series, this Class 10 relay is optimized for motor protection applications and combines reliability with precision. Its adjustable current range from 3.5 A to 5 A makes it suitable for a variety of motor sizes and types. The device is IEC rated, making it compatible with international standards and industrial automation systems. With a compact size S00 frame, the 3RU2116-1FB0 facilitates easy integration into existing setups while ensuring robust and safe motor operation.

Key Features of Siemens 3RU2116-1FB0

  • Thermal overload relay for three-phase motor protection
  • Adjustable current setting range: 3.5 A to 5 A
  • Class 10 trip class providing reliable overload detection within 10 seconds
  • Compact S00 frame size for easy mounting with compatible Siemens contactors
  • Protection against overload, phase failure, and phase asymmetry
  • IEC rated with a thermal-magnetic design for high durability and accuracy
  • Manual-automatic reset options for flexible operation
  • Shock resistance compliant with IEC 60068-2-27 for enhanced reliability

Technical Specs of 3RU2116-1FB0

Explore Siemens 3RU2116-1FB0 specifications for detailed parameters, covering current ratings and mechanical design.

Parameter Specification
Current Rating 3.5 – 5 A adjustable
Overload Relay Class Class 10
Frame Size S00
Rated Voltage Up to 690 V AC
Power Loss (typical) 6.1 W
Shock Resistance 8 g / 11 ms (IEC 60068-2-27)
Mounting Type Contactor screw mounting

Applications / Use Case

This Siemens 3RU2116-1FB0 thermal overload relay is commonly used in industrial automation and machine automation worldwide. It ensures motor protection in factory control panels, production line systems, and packaging and conveyor operations. Its reliable trip mechanism prevents motor damage due to overload or phase failure, making it essential in maintaining operational uptime and safety across diverse industrial environments.

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3RU2116-1FB0

$41.70

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Does it come with a warranty?

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

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

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