Siemens Switch disconnector, emergency switch-off, 4-pole, 11.5kW
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Siemens

Siemens Switch disconnector, emergency switch-off, 4-pole, 11.5kW Part number 3LD2203-1TL53

EAN / Barcode 4011209402959
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 an EMERGENCY-OFF switch that provides end-to-end safety for users and systems.

Technical details:

  • Type: EMERGENCY-OFF switch
  • Configuration: 4-pole
  • Iu: 32 A
  • Operational power / at AC-23 A at 400 V: 11.5 kW
  • Front-mounted, rotary operating mechanism
  • Color: red/yellow
  • 4-hole mounting of the handle for safe shutdown of loads
  • Applications: three-phase motors, air conditioning and ventilation systems, machining and processing machines, mechanical and conveyor system construction, chemical industry, food and beverage industry
  • Modular design, fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole
  • Optimum disconnection of 16 A of 250 A from the power supply
  • Degree of protection: IP65 with encapsulated enclosure for outdoor applications
  • Approvals: IEC, UL, CCC, shipbuilding approvals
  • Variants available: front mounting, mounting plate, DIN rail, installation in distribution boards, direct or door-coupling rotary operating mechanism, variants for DC applications

Customer benefits:

  • End-to-end safety for users and systems
  • Versatile and can be used worldwide
  • Easy and quick installation
  • Robust design suitable for outdoor applications

Technical Specifications

Colour control elementRed
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth93 mm
Device constructionBuilt-in device fixed built-in technique
Height83 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles4
Number of switches1
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 emergency stop installationYes
Version as main switchYes
Version as maintenance-/service switchYes
Version as safety switchYes
Width67 mm
Width in number of modular spacings4
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