Siemens Sentron Switch disconnector, 3-pole, front mount, 16A
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Siemens

Siemens Sentron Switch disconnector, 3-pole, front mount, 16A Part number 3LD2054-0TK53

EAN / Barcode 4011209512047
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 3LD is an EMERGENCY-OFF switch designed for safe shutdown of loads in various applications.

Technical details:

  • Type: switch disconnector 3LD
  • Function: EMERGENCY-OFF switch
  • Poles: 3-pole
  • Iu: 16 A
  • Operating power: at AC-23 A at 400 V: 7.5 kW
  • Design: front-mounted, rotary operating mechanism
  • Color: red/yellow
  • Fixing: central fixing 22.5 mm of the handle
  • Degree of protection: IP65
  • Approvals: IEC, UL, CCC, and shipbuilding approvals

Customer benefits:

  • Safe shutdown of loads in many areas, e.g. for three-phase motors, air conditioning and ventilation systems.
  • Modular design with fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole.
  • Optimum disconnection of 16 A of 250 A from the power supply due to the locking capability of the rotary operating mechanism.
  • Versatile and can be used worldwide.
  • Available in a wide range of variants for front mounting, mounting plate, DIN rail, or installation in distribution boards.
  • Main and EMERGENCY-OFF switch 3LD provides end-to-end safety for users and systems.

Technical Specifications

Colour control elementRed
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth117 mm
Device constructionBuilt-in device fixed built-in technique
Height84 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles3
Number of switches1
Rated operation power at AC-23, 400 V8 kW
Rated operation power at AC-3, 400 V6 kW
Rated permanent current at AC-21, 400 V16 A
Rated permanent current at AC-23, 400 V16 A
Rated permanent current Iu16 A
Rated short-time withstand current lcw0.34 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
Width in number of modular spacings3
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