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3RT2037-1AC20

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Regular price $201.53
Sale price $201.53 Regular price


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The Siemens 3RT2037-1AC20 is an industrial-grade power contactor designed for reliable control of electric motors and loads in demanding automation environments. This 3-pole contactor features a 24V AC coil and offers robust switching capability with a rated current of 65 amps AC-3, making it ideal for a wide range of control tasks. Equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, it supports flexible control circuit configurations. The device complies with international safety standards, including finger-safe terminals according to EN 50274 and protection rating IP20 when fitted with terminal covers. Its screw terminal connections and DIN rail or screw mounting options allow for easy installation in industrial control panels. Buy Siemens 3RT2037-1AC20 for your automation system to benefit from superior contact reliability and long service life under diverse conditions.

Key Features of Siemens 3RT2037-1AC20

  • Rated current: 65 amps AC-3 / 80 amps AC-1 suitable for motor control and switching applications
  • Coil voltage: 24V AC at 50/60 Hz for standard industrial control circuits
  • 3-pole design enabling control of three-phase power
  • Integrated auxiliary contacts: 1 normally open (NO) and 1 normally closed (NC) for control and signaling
  • Screw-type terminals for secure and reliable wiring connections
  • Mounting flexibility with DIN rail or screw options for easy panel integration
  • Compliance with EN 50274 finger-safe design ensuring operator safety
  • Expandable with additional auxiliary contact blocks to suit complex control needs
  • Suitable for use in varying climate conditions and demanding industrial environments

Explore Siemens 3RT2037-1AC20 technical data for detailed parameters

Specification Details
Rated Operational Current (AC-3) 65 A
Rated Operational Current (AC-1) 80 A
Coil Voltage 24 V AC, 50/60 Hz
Number of Poles 3
Auxiliary Contacts 1 NO + 1 NC
Mounting DIN rail or screw mounting
Terminal Type Screw terminals
Frame Size S2

Applications / Use Case

This Siemens 3RT2037-1AC20 is commonly used in industrial automation worldwide. It excels in applications such as motor control circuits, production line systems, packaging and conveyor operations, and factory control panels. Its reliable switching capability ensures safe and efficient operation of three-phase motors and other heavy electrical loads in manufacturing environments. The integration of auxiliary contacts provides feedback signals for advanced automated control systems, supporting process optimization and fault monitoring.

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3RT2037-1AC20

$201.53

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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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