Siemens Sentron, Switch disconnector, emergency switch-off
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Siemens Sentron, Switch disconnector, emergency switch-off Part number 3LD2064-1GP53

EAN / Barcode 4011209511910
Product Type Control Panel
Product Class Switch disconnector (low voltage)
Category Power Distribution
Sub-category Isolator
ETIM Class Switch disconnector (low voltage)
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Product Description

Sentron, switch disconnector 3LD

Emergency-OFF switch designed for safe shutdown of loads in various applications.

Technical details:

  • Type: Emergency-OFF switch
  • Poles: 3-pole
  • Iu: 16 A
  • Operational power / at AC-23 A at 400 V: 7.5 kW
  • Enclosure: Molded-plastic for metric cable gland
  • Contacts: 1 NC, 1 NO
  • Operating mechanism: Rotary
  • Color: Red/yellow
  • Degree of protection: IP65
  • Design: Modular
  • Approvals: IEC, UL, CCC, and shipbuilding
  • Variants for DC applications available

Customer benefits:

  • Safe shutdown of loads for three-phase motors, air conditioning, and ventilation systems.
  • Fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole.
  • Optimum disconnection from the power supply due to locking capability of the rotary operating mechanism.
  • Versatile global use thanks to various international approvals.
  • Wide range of mounting options including front mounting and DIN rail.
  • End-to-end safety for users and systems.

Technical Specifications

Colour control elementRed
Compliance/StandardsUL 60947-4
country_of_originGermany
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth117 mm
descriptionSENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 16 A, operating power / at AC-23 A 400 V: 7.5 kW, Molded plastic encapsulation for metric cable gland, 1 NC, 1 NO, rotary operating mechanism, red/yellow
Device constructionBuilt-in device fixed built-in technique
Height152 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 poles3
Number of switches1
Part Depth (mm)122,00mm
Part Height (mm)163,00mm
Part Width (mm)105,00mm
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
Weight (g)0,424 Kg
Width100 mm
Width in number of modular spacings3
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