Siemens

Siemens Switch disconnector 3LD, main switch, 3-pole, 25A, 400V, 9.5kW Part number 3LD2103-0TK51

EAN / Barcode 4011209402881
Product Type Control Panel
Product Class Switch disconnector (low voltage)
ETIM Class Switch disconnector (low voltage)
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Product Description

Sentron

The switch disconnector 3LD serves as a main switch with a versatile and modular design suitable for various applications.

Technical details:

  • Main switch
  • 3-pole
  • Iu: 25 A
  • Operating power / at AC-23 A at 400 V: 9.5 kW
  • Front-mounted
  • Rotary operating mechanism
  • Black
  • 4-hole mounting of the handle for safe shutdown of loads
  • Optimum disconnection of 16 A of 250 A from the power supply
  • Degree of protection IP65
  • International IEC, UL, CCC, and shipbuilding approvals
  • Variants for front mounting, mounting plate, DIN rail, or installation in distribution boards
  • Variants for DC applications available

Customer benefits:

  • Fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole
  • Versatile usage worldwide
  • End-to-end safety for users and systems

Technical Specifications

Colour control elementBlack
Connection Style3 Poles
Connection Typebox terminal
Current Rating / Rated Current25 A
Degree of protection (IP), front sideIP65
Degree of protection (NEMA)Other
Depth93 mm
Device constructionBuilt-in device fixed built-in technique
Height84 mm
InterlockableYes
IP RatingIP65
Max Frequency50 1/h
Max. rated operation voltage Ue AC690 V
Mounting Type4-hole front mounting
Number of poles3
Number of switches1
Operating Periodmechanical service life (operating cycles) typical / 100 000 electrical endurance (operating cycles) at AC-23 A at 690 V 6 000
Packaging size / unitpc(s)
Part Depth (mm)92.5mm
Part Height (mm)84mm
Part Width (mm)67mm
Rated Operating Voltage690V
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
Temperature: Operating+25°C to 55°C
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
Voltage Frequency Range50 / 60 Hz
Weight (g)189g
Width67 mm
Width in number of modular spacings3
Country of OriginGermany
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