Siemens Switch disconnector, rotary operated, 1NC 1NO, black
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Siemens

Siemens Switch disconnector, rotary operated, 1NC 1NO, black Part number 3LD2165-4VD51

EAN / Barcode 4011209493186
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 the safe shutdown of loads in various industrial applications.

Technical details:

  • Main switch, 6-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
  • Optimum disconnection of 16 A of 250 A from the power supply due to the locking capability of the rotary operating mechanism
  • Degree of protection IP65 with encapsulated enclosure for outdoor applications
  • International IEC, UL, CCC, and shipbuilding approvals
  • Available in variants for front mounting, mounting plate, DIN rail, or installation in distribution boards
  • Optionally with direct or door-coupling rotary operating mechanism
  • 3LD2 also 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, in machining and processing machines in mechanical and conveyor system construction, in the chemical or food and beverage industry
  • Modular design with fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole
  • Versatile and can be used worldwide
  • Main and EMERGENCY-OFF switch 3LD - end-to-end safety for users and systems

Technical Specifications

Colour control elementBlack
Compliance/StandardsUL 60947-4
country_of_originGermany
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth149 mm
descriptionSENTRON, Switch disconnector 3LD, main switch, 6-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
Device constructionBuilt-in device fixed built-in technique
Height188 mm
InterlockableYes
IP RatingIP65
IP Rating DetailedIP65 degree of protection NEMA rating 1, 4X, 12 protection class IP on the front IP65 Dissipation power loss
Max Frequency501 /h
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 poles6
Number of switches1
Part Depth (mm)149,00mm
Part Height (mm)202,00mm
Part Width (mm)152,00mm
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
Weight (g)0,865 Kg
Width146 mm
Width in number of modular spacings6
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