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IEC Magnetic Contactor, 1NC/1NO, 24V DC, 3 P, Non-Reversing, Screw MPN:3RT20281BB40

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Brand: Siemens
Part #: 3RT20281BB40
UPC: 662643918045
SKU
510-G4320845
Regular Price $622.99 Special Price $444.99

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IEC Magnetic Contactor, 1NC/1NO, 24V DC, 3 P, Non-Reversing, Screw

The Siemens IEC Magnetic Contactor is a reliable and efficient solution for controlling electrical circuits in a variety of applications. With its compact, modular design and 3-pole, non-reversing operation, it's ideal for use in industrial automation, robotics, and process control systems. The contactor's 24V DC coil and screw terminals provide easy installation and connectivity. It's also suitable for use in high-temperature environments and has a long mechanical durability of 10 million cycles. Its versatility and reliability make it a great choice for a wide range of industries, including manufacturing, oil and gas, and food processing.

Top product features:

  • It operates with a 24 V DC coil.
  • It is equipped with auxiliary contacts of the specified configuration.
  • It uses screw terminals for connections.

Top product applications:

  • Industrial Automation Systems
  • Control Panels and Electrical Distribution Systems
  • Motor Control Centers
  • The Siemens IEC Magnetic Contactor is a 3-pole, non-reversing, electrically operated switch rated for operation within IEC-standard system parameters. It operates with a 24 V DC coil as specified and is equipped with auxiliary contacts of the specified configuration. The device uses screw terminals for connections and is part of the SIRIUS 3RT20 family, with a compact, modular IEC design compatible with standard control panel configurations based on specifications.

    - Coil Voltage: 24 V DC

  • - Action / Reversing: Non-Reversing (Reversing: No)
  • - Poles / Main Contacts: 3 poles
  • 3 normally open main contacts
  • - Auxiliary Contacts: Yes
  • 2 auxiliary contacts total (1NO/1NC)
  • - Auxiliary Contact Form / Configuration: 1NC/1NO (1NO/1NC)
  • - Frame Size / Series: S0
  • SIRIUS 3RT20
  • - Contactor Style: IEC
  • - Electrical Connection: Screws
  • - Embedded Surge Suppressor: No
  • - Enclosure / IP Rating: No Enclosure
  • IP20
  • - Dimensions: Depth 4.21 in
  • Height 3.6 in
  • Width 1.77 in
  • - Voltage / Phase: 690V AC
  • Three-phase
  • - Max Operating Watts: 19 kW (at 400V, AC-3)
  • 28 kW (at 400V, AC-1)
  • - Mechanical Durability: 10,000,000 cycles
  • - Operating Temperature: -13 °F to 140 °F
  • - Mounting: DIN Rail, Surface
  • Mounting Hole Diameter 0.19 in
  • Hole Distance (Height) 2.36 in
  • Hole Distance (Width) 1.38 in
  • Mounting Position: Vertical
  • - Standards: REACH Art 33, WEEE (2012/19/EU)
  • - Item: IEC Magnetic Contactor
  • - Includes Auxiliary Contacts: Yes
  • - Response Time: Various ranges
  • AC/DC operation with opening/closing delays
  • approximately 4 to 170 ms depending on mode



Additional Information

  • Country of Origin: DE
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 4.60
  • Package Width: 3.70
  • Package Height: 2.10
  • Package Weight: 1.35
Product info last updated on March 16, 2026 6:21am UTC Category: Industrial Electrical Controls and Automation
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