Siemens Sentron Switch disconnector 3LD, main switch, 3-pole, 250A, 132kW
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Siemens Sentron Switch disconnector 3LD, main switch, 3-pole, 250A, 132kW Part number 3LD2418-0TK11

EAN / Barcode 4011209768772
Product Type Control Panel
Product Class Switch disconnector (low voltage)
ETIM Class Switch disconnector (low voltage)
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Product Description

Sentron, Switch disconnector 3LD

The 3LD main switch is designed for safe disconnection of loads in various applications, offering robust performance and versatile mounting options.

Technical details:

  • 3-pole
  • Iu=250 A
  • Operating power / at AC-23 A at 400 V: 132 kW
  • Floor mounting with door coupling
  • Knob-operated mechanism
  • Black
  • 4-hole mounting of the handle
  • Optimum disconnection of 16 A of 250 A from the power supply
  • Degree of protection IP65
  • Modular design with fast and easy mounting of auxiliary switches
  • N-PE terminal or 4th pole
  • International IEC, UL, CCC, and shipbuilding approvals
  • Variants for front mounting, mounting plate, DIN rail, or installation in distribution boards
  • Options with direct or door-coupling rotary operating mechanism
  • Variants for DC applications available

Customer benefits:

  • Safe shutdown of loads in various areas, e.g., for three-phase motors, air conditioning and ventilation systems
  • End-to-end safety for users and systems
  • Versatile use worldwide

Technical Specifications

Colour control elementBlack
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth94 mm
Device constructionBuilt-in device fixed built-in technique
Height169 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles3
Number of switches1
Rated operation power at AC-23, 400 V132 kW
Rated operation power at AC-3, 400 V110 kW
Rated permanent current at AC-21, 400 V250 A
Rated permanent current at AC-23, 400 V224 A
Rated permanent current Iu250 A
Rated short-time withstand current lcw4 kA
Suitable for floor mountingYes
Suitable for front mounting 4-holeYes
Type of control elementToggle
Type of electrical connection of main circuitFrame clamp
Version as main switchYes
Version as maintenance-/service switchYes
Version as safety switchYes
Width112 mm
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