IEC Magnetic Contactor, 1NC/1NO, 24V AC, 3 P, Non-Reversing, Screw MPN:3RT20251AC20

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Brand: Siemens
Part #: 3RT20251AC20
UPC: 662643915488
SKU
510-G4323663
Regular Price $179.89 Special Price $128.49

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

The Siemens IEC Magnetic Contactor is a reliable and efficient solution for controlling electrical circuits in various industrial applications. Suitable for use in 24V AC systems, this three-pole, non-reversing contactor provides two auxiliary contacts and three normally open main contacts. Its compact design and screw terminal connections make it easy to integrate into DIN rail or surface mount applications. With a high mechanical durability of 10,000,000 cycles, this contactor is ideal for use in demanding industrial environments, such as in power distribution systems, motor control, and automation. Its IP20 rating ensures reliable operation in harsh conditions.

Top product features:

  • The Siemens IEC Magnetic Contactor has a three-pole, non-reversing action.
  • It features two auxiliary contacts, 1NO/1NC, for additional control capabilities.
  • The device uses screw terminal connections for easy and secure electrical connections.

Top product applications:

  • Industrial Automation Systems
  • Motor Control and Protection Applications
  • Power Distribution and Switchgear Systems
  • The Siemens IEC Magnetic Contactor is a three-pole, non-reversing, IEC-standard electromagnetic switch rated for operation within specified electrical parameters. It features a 24 V AC coil, two auxiliary contacts (1NO/1NC), and three normally open main contacts. The device belongs to the SIRIUS 3RT20 series (frame size S0) and uses screw terminal connections.

    Key features

  • - Action: Non-Reversing
  • - Reversing: No
  • - Poles: 3
  • - Phase: Three
  • - Coil Voltage: 24 V AC
  • - Auxiliary Contacts: Yes (2 total: 1NO/1NC)
  • - Main Contacts: 3 normally open
  • - Frame/Series/Code: S0
  • SIRIUS 3RT20
  • - Contactor Style: IEC
  • - Electrical Connection: Screw
  • - Embedded Surge Suppressor: No
  • - Enclosure/NEMA: No Enclosure
  • IP20
  • - Frequency: 50/60 Hz
  • - Rated for operation up to 690 V AC within specified conditions
  • - Rated for operation within the specified temperature range
  • - Mechanical Durability: 10,000,000 cycles
  • - Mounting Style/Position: DIN Rail, Surface
  • Vertical
  • - Dimensions (W x H x D): 1.77 in x 3.60 in x 4.00 in
  • - Includes Auxiliary Contacts: Yes
  • - Number of Aux Contacts: 2
  • - Number of Normally Open Main Contacts: 3
  • - Number of Poles: 3



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: 4.10
  • Package Width: 3.60
  • Package Height: 2.10
  • Package Weight: 0.90
Product info last updated on February 11, 2026 11:01pm UTC Category: Industrial Electrical Controls and Automation
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