Siemens

Siemens Power contactor, AC-3e/AC-3, 3-pole, 2NO+2NC, 24VDC, 38A Part number 3RT2028-1BB44

EAN / Barcode 4011209837911
Product Type Control Panel
Product Class Power contactor, AC switching
ETIM Class Power contactor, AC switching
In Stock
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Product Description

Power Contactor

The SIRIUS 3RT2 power contactor is designed for switching motors and offers high contact reliability in a compact design.

Technical details:

  • Type: AC-3e/AC-3
  • Current: 38 A
  • Power: 18.5 kW / 400 V
  • Poles: 3-pole
  • Voltage: 24 V DC
  • Auxiliary contacts: 2 NO + 2 NC
  • Terminal type: screw terminal
  • Size: S0
  • Removable auxiliary switch
  • Climate-resistant with approvals for worldwide use (e.g. IEC and UL/CSA)
  • IE3/IE4-ready

Customer benefits:

  • Compact design with high contact reliability.
  • Can be combined with a variety of other components in the load feeder.
  • Integrated auxiliary switches reduce design complexity.
  • Front-panel terminals simplify wiring.
  • Available with spring-type terminals for fast, maintenance-free and vibration-proof connection.
  • Comprehensive range of standardized accessories for all sizes.
  • Available link modules, function modules, and SIRIUS 3RV29 infeed system reduce wiring expense.
  • Part of the modular SIRIUS system, always efficient and up to date.

Technical Specifications

Depth151 mm
Height85 mm
Modular versionYes
Number of auxiliary contacts as normally closed contact2
Number of auxiliary contacts as normally open contact2
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
View complete specifications on Siemens

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