Siemens

Siemens Switch disconnector, red/yellow, 3-pole,37kW Part number 3LD2704-0TK53

EAN / Barcode 4011209403611
Product Type Control Panel
Product Class Switch disconnector (low voltage)
ETIM Class Switch disconnector (low voltage)
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Product Description

Sentron

The SENTRON switch disconnector 3LD serves as an EMERGENCY-OFF switch designed for safe shutdown of loads in various applications.

Technical details:

  • Type: 3LD
  • EMERGENCY-OFF switch
  • Number of poles: 3
  • Iu: 100 A
  • Operational power / at AC-23 A at 400 V: 37 kW
  • Front-mounted
  • Rotary operating mechanism, red/yellow
  • 4-hole mounting of the handle
  • Optimum disconnection of 16 A of 250 A
  • Degree of protection: IP65
  • Modular design
  • Fast and easy mounting of auxiliary switches
  • N-PE terminal, or 4th pole
  • International approvals: IEC, UL, CCC, shipbuilding
  • Variants for DC applications available

Customer benefits:

  • Safe shutdown of loads in many areas such as three-phase motors and air conditioning systems.
  • Versatile usage worldwide due to various international approvals.
  • End-to-end safety for users and systems.

Technical Specifications

Colour control elementRed
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth112.5 mm
Device constructionBuilt-in device fixed built-in technique
Height107 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles3
Number of switches1
Rated operation power at AC-23, 400 V37 kW
Rated operation power at AC-3, 400 V30 kW
Rated permanent current at AC-21, 400 V100 A
Rated permanent current at AC-23, 400 V70 A
Rated permanent current Iu100 A
Rated short-time withstand current lcw2 kA
Suitable for front mounting 4-holeYes
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
Width90 mm
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