Siemens Switch disconnector, main switch, 3-pole, black, 125A
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Siemens

Siemens Switch disconnector, main switch, 3-pole, black, 125A Part number 3LD2804-0TK51

EAN / Barcode 4011209403628
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 switch disconnector is designed for safe and reliable shutdown of loads in various industrial applications.

Technical details:

  • Main switch
  • 3-pole
  • Iu: 125 A
  • Operating power / at AC-23 A at 400 V: 45 kW
  • Front-mounted
  • Rotary operating 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
  • N-PE terminal, or 4th pole
  • International IEC, UL, CCC, and shipbuilding approvals
  • Available in variants for DC applications

Customer benefits:

  • Safe shutdown of loads in many areas, e.g. for three-phase motors, air conditioning and ventilation systems
  • Fast and easy mounting of auxiliary switches
  • Versatile and can be used worldwide
  • Wide range of variants for front mounting, mounting plate, DIN rail, or installation in distribution boards
  • End-to-end safety for users and systems

Technical Specifications

Colour control elementBlack
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth112.5 mm
Device constructionBuilt-in device fixed built-in technique
Height106 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles3
Number of switches1
Rated operation power at AC-23, 400 V45 kW
Rated operation power at AC-3, 400 V37 kW
Rated permanent current at AC-21, 400 V125 A
Rated permanent current at AC-23, 400 V80 A
Rated permanent current Iu125 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 main switchYes
Version as maintenance-/service switchYes
Version as safety switchYes
Width90 mm
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