Siemens Sentron 3LD Switch disconnector, front panel, 4-pole, 25A
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Siemens

Siemens Sentron 3LD Switch disconnector, front panel, 4-pole, 25A Part number 3LD2103-1TL53

EAN / Barcode 4011209402935
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 SENTRON 3LD switch disconnector serves as an EMERGENCY-OFF switch designed for safe shutdown of loads in various applications.

Technical details:

  • 4-pole
  • Iu: 25 A
  • Operational power / at AC-23 A at 400 V: 9.5 kW
  • Front-mounted
  • Rotary operating mechanism, red/yellow
  • 4-hole mounting of the handle
  • Optimum disconnection of 16 A of 250 A from the power supply
  • Degree of protection IP65
  • Modular design
  • Fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole
  • Versatile with international IEC, UL, CCC, and shipbuilding approvals
  • 3LD2 available for DC applications

Customer benefits:

  • Safe shutdown of loads in many areas, e.g. for three-phase motors, air conditioning and ventilation systems, machining and processing machines in mechanical and conveyor system construction, chemical, or in the food and beverage industry
  • End-to-end safety for users and systems

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
Height84 mm
InterlockableYes
Max. rated operation voltage Ue AC690 V
Number of poles4
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 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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