Siemens Switch disconnector, 3-pole, 125A, 45kW
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Siemens

Siemens Switch disconnector, 3-pole, 125A, 45kW Part number 3LD2804-0TK53

EAN / Barcode 4011209403635
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 features an EMERGENCY-OFF switch designed for safe shutdown of loads in various applications.

Technical details:

  • Type: EMERGENCY-OFF switch
  • Poles: 3-pole
  • Iu: 125 A
  • Operational power / at AC-23 A at 400 V: 45 kW
  • Front-mounted, rotary operating mechanism
  • Color: red/yellow
  • 4-hole mounting of the handle
  • Optimal disconnection of 16 A of 250 A from the power supply
  • Degree of protection: IP65
  • Modular design for fast and easy mounting of auxiliary switches
  • N-PE terminal, or 4th pole
  • International approvals: IEC, UL, CCC, shipbuilding

Customer benefits:

  • Safe shutdown of loads in various sectors, including three-phase motors and air conditioning systems.
  • Versatile and suitable for worldwide applications.
  • Fast and easy installation options for various mounting configurations.
  • 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
Depth112.5 mm
descriptionSENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 125 A, operating power / at AC-23 A 400 V: 45 kW, front-mounted, rotary operating mechanism, Red / yellow, 4-hole mounting of the handle
Device constructionBuilt-in device fixed built-in technique
Height106 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 poles3
Number of switches1
Part Depth (mm)97,00mm
Part Height (mm)130,00mm
Part Width (mm)121,00mm
Rated operation power at AC-23, 400 V45 kW
Rated operation power at AC-3, 400 V37 kW
Rated permanent current at AC-21, 400 V125 A
Rated permanent current at AC-23, 400 V80 A
Rated permanent current Iu125 A
Rated short-time withstand current lcw2 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
Weight (g)0,494 Kg
Width90 mm
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