Siemens AC-3e/AC-3 Power contactor, 3-pole, 1NO+1NC, 24VDC, 18.5kW, 41A
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Siemens

Siemens AC-3e/AC-3 Power contactor, 3-pole, 1NO+1NC, 24VDC, 18.5kW, 41A Part number 3RT2035-1KB40-1AA0

EAN / Barcode 4047621009919
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 and auxiliary and control circuits, with features that ensure high performance and reliability.

Technical details:

  • Type: AC-3e/AC-3
  • Current: 41 A
  • Power: 18.5 kW / 400 V
  • Poles: 3-pole
  • Control voltage: 24 V DC
  • Operating range: 0.8-1.2* Uc
  • Integrated varistor
  • Auxiliary contacts: 1 NO + 1 NC
  • Terminal type: screw terminal
  • Frame size: S2
  • Suitable for PLC outputs
  • Upright mounting position
  • Climate-resistant
  • Approved for worldwide use (e.g. IEC and UL/CSA)
  • IE3/IE4-ready

Customer benefits:

  • Designed for direct connection to electronic controllers
  • Part of the modular SIRIUS system with optimally coordinated products
  • Compact design with high contact reliability
  • Can be combined with a variety of other components in the load feeder
  • Many device combinations have been factory tested
  • Integrated auxiliary switches reduce design complexity
  • Front-panel terminals simplify wiring
  • Also available with spring-type terminals for fast, maintenance-free and vibration-proof connection
  • Simple, efficient and always up to date - SIRIUS modular system

Technical Specifications

Depth130 mm
Height114 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 V60 A
Rated operation current Ie at AC-3, 400 V41 A
Rated operation current Ie at AC-4, 400 V35 A
Rated operation power at AC-3, 400 V18.5 kW
Rated operation power NEMA22.064964 kW
Type of electrical connection of main circuitScrew connection
Voltage type for actuatingDC
Width55 mm
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