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

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

Brand: Siemens SKU: 3RT20281BB40
$367.32 USD
$367.32 USD
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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
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