Siemens Sentron Switch disconnector, 4-pole, 11.5kW, 32A
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Siemens Sentron Switch disconnector, 4-pole, 11.5kW, 32A Part number 3LD2254-1TL53

EAN / Barcode 4011209403871
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 Sentron switch disconnector 3LD is designed for the safe shutdown of loads across various applications, featuring a robust rotary operating mechanism.

Technical details:

  • Type: EMERGENCY-OFF switch
  • Poles: 4-pole
  • Iu: 32 A
  • Operational power / at AC-23 A at 400 V: 11.5 kW
  • Front-mounted
  • Rotary operating mechanism
  • Color: red/yellow
  • Central fixing: 22.5 mm of the handle
  • Optimum disconnection: 16 A of 250 A
  • Degree of protection: IP65
  • Modular design
  • International approvals: IEC, UL, CCC, shipbuilding

Customer benefits:

  • Safe shutdown of loads in various applications including three-phase motors and ventilation systems.
  • Fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole.
  • Versatile usage worldwide with multiple mounting options.
  • End-to-end safety for users and systems.

Technical Specifications

Colour control elementRed
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth116.5 mm
Device constructionBuilt-in device fixed built-in technique
Height83 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles4
Number of switches1
Rated operation power at AC-23, 400 V12 kW
Rated operation power at AC-3, 400 V10 kW
Rated permanent current at AC-21, 400 V32 A
Rated permanent current at AC-23, 400 V22 A
Rated permanent current Iu32 A
Rated short-time withstand current lcw0.64 kA
Suitable for front mounting centreYes
Type of control elementShort thumb-grip
Type of electrical connection of main circuitFrame clamp
Version as emergency stop installationYes
Version as main switchYes
Version as maintenance-/service switchYes
Version as safety switchYes
Width67 mm
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