Siemens Sentron Switch disconnector, 3-pole, 1NC+1NO, 32A Siemens
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Siemens

Siemens Sentron Switch disconnector, 3-pole, 1NC+1NO, 32A Part number 3LD2203-1TP51

EAN / Barcode 4011209639027
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

The SENTRON switch disconnector 3LD is designed as a main switch for safe shutdown of loads across various applications.

Technical details:

  • Type: switch disconnector 3LD
  • Function: main switch
  • Poles: 3-pole
  • Iu: 32 A
  • Operating power / at AC-23 A at 400 V: 11.5 kW
  • Front-mounted
  • Contacts: 1 NC, 1 NO
  • Operating mechanism: rotary
  • Color: black
  • Mounting: 4-hole for safe shutdown
  • Modular design
  • Optimum disconnection: 16 A of 250 A
  • Degree of protection: IP65
  • Approvals: IEC, UL, CCC, shipbuilding
  • Variants for DC applications: 3LD2 available

Customer benefits:

  • Safe shutdown of loads in various sectors, including motors, HVAC systems, and food processing.
  • Fast and easy mounting of auxiliary switches and terminals.
  • End-to-end safety for users and systems.
  • Versatile use worldwide thanks to international approvals.

Technical Specifications

Colour control elementBlack
Compliance/StandardsUL 60947-4
country_of_originGermany
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth93 mm
descriptionSENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 32 A, Operating power / at AC-23 A at 400 V: 11.5 kW, front-mounted, 1 NC, 1 NO, rotary operating mechanism, black, 4-hole mounting of the handle
Device constructionBuilt-in device fixed built-in technique
Height83 mm
InterlockableYes
IP RatingIP65
IP Rating DetailedIP65 degree of protection NEMA rating 1, 3R, 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)77,00mm
Part Height (mm)92,00mm
Part Width (mm)88,00mm
Rated operation power at AC-23, 400 V12 kW
Rated operation power at AC-3, 400 V10 kW
Rated permanent current at AC-21, 400 V32 A
Rated permanent current at AC-23, 400 V22 A
Rated permanent current Iu32 A
Rated short-time withstand current lcw0.64 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
Weight (g)0,221 Kg
Width67 mm
Width in number of modular spacings3

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