Siemens Power contactor, 3-pole, 24VDC, size S0, 18.5kW - Rubicon Partner Portal
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Siemens Power contactor, 3-pole, 24VDC, size S0, 18.5kW Part number 3RT2028-1BB40

EAN / Barcode 4011209833821
Product Type Control Panel
Product Class Power contactor, AC switching
ETIM Class Power contactor, AC switching
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Product Description

Power Contactor

The SIRIUS 3RT2 power contactor is designed for switching motors with reliable performance in a compact design.

Technical details:

  • Type: Power Contactor
  • Usage Category: AC-3e/AC-3
  • Current Rating: 38 A
  • Power Rating: 18.5 kW / 400 V
  • Poles: 3-pole
  • Control Voltage: 24 V DC
  • Auxiliary Contacts: 1 NO + 1 NC
  • Connection Type: Screw terminal
  • Size: S0
  • Climate-Resistant: Yes
  • Approvals: IEC and UL/CSA
  • IE3/IE4 Ready: Yes

Customer benefits:

  • High contact reliability in a compact design.
  • Factory tested device combinations.
  • Best connection to automation level for various applications.
  • Integrated auxiliary switches reduce design complexity.
  • Front-panel terminals simplify wiring.
  • Various sizes and performance ranges with AC and DC operation.
  • Available with spring-type terminals for fast and vibration-proof connection.
  • Standardized accessories for all sizes, including auxiliary switches and releases.
  • Link modules and function modules reduce wiring expenses.
  • Efficient and up-to-date SIRIUS modular system.

Technical Specifications

Depth107 mm
Height85 mm
Modular versionYes
Number of auxiliary contacts as normally closed contact1
Number of auxiliary contacts as normally open contact1
Number of normally open contacts as main contact3
Operating voltage AC 50 Hz690 V
Operating voltage AC 60 Hz690 V
Rated control supply voltage DC24 V
Rated operation current Ie at AC-1, 400 V50 A
Rated operation current Ie at AC-3, 400 V38 A
Rated operation current Ie at AC-4, 400 V22 A
Rated operation power at AC-3, 400 V18.5 kW
Rated operation power NEMA18.38747 kW
Type of electrical connection of main circuitScrew connection
Voltage type for actuatingDC
Width45 mm
Part Width54 mm
Part Height92 mm
Part Depth115 mm
Weight604 g
Country of OriginGermany
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