Siemens Sentron Switch disconnector, main switch, 1NC+1NO, 3-pole
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Siemens

Siemens Sentron Switch disconnector, main switch, 1NC+1NO, 3-pole Part number 3LD2164-1GP51

EAN / Barcode 4011209524217
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 shutdown of loads in various industrial applications.

Technical details:

  • Main switch, 3-pole
  • Iu: 25 A
  • Operating power / at AC-23 A at 400 V: 9.5 kW
  • Molded-plastic encapsulation for metric screw connection
  • 1 NC, 1 NO
  • Rotary operating mechanism, black
  • Degree of protection IP65
  • Modular design
  • N-PE terminal, or 4th pole
  • Optimum disconnection of 16 A of 250 A from the power supply
  • International IEC, UL, CCC, and shipbuilding approvals
  • Variants for front mounting, mounting plate, DIN rail, or installation in distribution boards
  • Options for direct or door-coupling rotary operating mechanism
  • Variants for DC applications available

Customer benefits:

  • Safe shutdown of loads in diverse applications, including three-phase motors and air conditioning systems
  • Fast and easy mounting of auxiliary switches
  • End-to-end safety for users and systems
  • Versatile use worldwide due to multiple approvals

Technical Specifications

Colour control elementBlack
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth117 mm
Device constructionBuilt-in device fixed built-in technique
Height152 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of auxiliary contacts as normally closed contact1
Number of auxiliary contacts as normally open contact1
Number of poles3
Number of switches1
Rated operation power at AC-23, 400 V10 kW
Rated operation power at AC-3, 400 V8 kW
Rated permanent current at AC-21, 400 V25 A
Rated permanent current at AC-23, 400 V20 A
Rated permanent current Iu25 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 main switchYes
Version as maintenance-/service switchYes
Version as safety switchYes
Width100 mm
Width in number of modular spacings3
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