Siemens

Siemens Power contactor, screw terminal, 4Kw, 400VAC, 24VDC Part number 3RT2023-1KB40

EAN / Barcode 4011209831377
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 control circuits with enhanced reliability and efficiency.

Technical details:

  • Type: AC-3e/AC-3
  • Current Rating: 9 A
  • Power Rating: 4 kW / 400 V
  • Number of Poles: 3-pole
  • Coil Voltage: 24 V DC
  • Operating Range: 0.7-1.25* Uc
  • Varistor: With plugged-in varistor
  • Auxiliary Contacts: 1 NO + 1 NC
  • Terminal Type: Screw terminal
  • Frame Size: S0
  • Suitable for PLC outputs
  • No auxiliary switch can be added

Customer benefits:

  • Specially designed for direct connection to electronic controllers
  • Part of the modular SIRIUS system with optimally coordinated products
  • Convincing performance from a 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
  • Climate-resistant and approved for worldwide use (e.g. IEC and UL/CSA)
  • IE3/IE4-ready
  • Optional spring-type terminals for fast, maintenance-free and vibration-proof connection
  • Simple, efficient, and always up to date with the 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 V40 A
Rated operation current Ie at AC-3, 400 V9 A
Rated operation current Ie at AC-4, 400 V8.5 A
Rated operation power at AC-3, 400 V4 kW
Rated operation power NEMA3.677494 kW
Type of electrical connection of main circuitScrew connection
Voltage type for actuatingDC
Width45 mm
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