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Siemens 3LD2804-1TD51

SENTRON, switch disconnector 3LD, main switch, 3-pole, Iu: 125 A, operating power / at AC-23 A at 400 V: 45 kW, front-mounted, 1 NC, 1 NO, rotary operating mechanism, black, 4-hole mounting of the handle

SiemensMFR # 3LD2804-1TD51SKU # CEY-8EF3B0396401

product brand nameSENTRON

product designationSwitch disconnector

design of the productMain switch

type of switchfront mounted

design of the actuating elementShort rotary knob

color of the actuating elementblack

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About This Product

Siemens 3LD2804-1TD51

Genuine, certified Siemens product
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Product selection and compatibility support from our technical team
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Specifications

Model

product brand nameSENTRON

product designationSwitch disconnector

design of the productMain switch

display version for switch position indicator manual operation1 ON - 0 OFF

type of switchfront mounted

design of the actuating elementShort rotary knob

color of the actuating elementblack

design of handlerotary operating mechanism, black

type of the driving mechanism motor driveNo

General technical data

number of poles3

number of poles noteN + PE

size of switch disconnector4

mechanical service life (operating cycles) typical100 000

at AC-23 A at 690 V6 000

operating frequency maximum50 1/h

degree of pollution3

Voltage

insulation voltage rated value690 V

surge voltage resistance rated value6 kV

at AC rated value690 V

minimum50 Hz

maximum60 Hz

Protection class

protection class IPIP65

degree of protection NEMA rating1, 3R, 4X, 12

protection class IP on the frontIP65

Dissipation

power loss [W] for rated value of the current at AC in hot operating state per pole4.33 W

Main circuit

at AC-21 at 690 V rated value125 A

at AC-21 A at 240 V rated value125 A

at AC-21 A at 400 V rated value125 A

at AC-21 A at 440 V rated value125 A

at AC-23 A at 400 V rated value80 A

at AC-23 A at 240 V rated value22 kW

at AC-23 A at 400 V rated value45 kW

at AC-23 A at 440 V rated value45 kW

at AC-23 A at 690 V rated value37 kW

at AC-3 at 240 V rated value22 kW

at AC-3 at 400 V rated value37 kW

at AC-3 at 690 V rated value30 kW

Auxiliary circuit

number of CO contacts for auxiliary contacts0

number of NC contacts for auxiliary contacts1

number of NO contacts for auxiliary contacts1

operating voltage of auxiliary contacts at AC maximum500 V

continuous current of the auxiliary contact rated value10 A

insulation voltage of the auxiliary switch rated value500 V

Suitability

suitability for use main switchYes

suitability for use switch disconnectorYes

suitability for use EMERGENCY OFF switchNo

suitability for use maintenance/repair switchYes

Product details

product feature can be locked into OFF positionYes

Accessories

motor driveNo

voltage triggerNo

number of connectable NC contacts for auxiliary contacts attachable maximum2

number of connectable NO contacts for auxiliary contacts attachable maximum2

number of connectable CO contacts for auxiliary contacts attachable maximum0

number of bracket locks maximum3

hasp thickness of the bracket locks4 ... 8 mm

Short circuit

at 690 V by gG fuse rated value20 kA

at 240 V for combination switch + gG fuse maximum10 kA

at 440 V for combination switch + gG fuse maximum10 kA

at 690 V for combination switch + gG fuse maximum permissible10 kA

at 240 V for combination switch + gG fuse maximum104 kA²·s

at 440 V for combination switch + gG fuse maximum104 kA²·s

at 690 V for combination switch + gG fuse maximum104 kA²·s

for short-circuit protection of the main circuit requiredfuse gL/gG: 125 A

for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A

operational current of upstream fuse rated value125 A

according UL

operational current at AC according to UL 508/UL 60947-4-1 rated value125 A

operating voltage at AC at 50/60 Hz according to UL 508/UL 60947-4-1 rated value600 V

active power [hp] at AC at 480 V according to UL 508/UL 60947-4-1 rated value75

active power [hp] at AC at 600 V according to UL 508/UL 60947-4-1 rated value100

short-time withstand current (SCCR) at 600 V according to UL 508/UL 60947-4-110 kA

continuous current of upstream fuse according to UL rated value200 A

type of fuse according to ULRK5

Connections

solid1x (4...50mm²)

finely stranded with core end processing1x (4...35mm²)

stranded1x (4...50mm²)

solidlateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²)

finely stranded with core end processinglateral auxiliary switch 2x (0,75 ... 1,5mm²), 1x 2,5mm²; front auxiliary switch 1x 2,5mm²

strandedlateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²)

for main current circuitbox terminal

for auxiliary contactsconnection terminals

Mechanical Design

height106 mm

width90 mm

depth112.5 mm

type of devicefixed mounting

fastening methodBuilt-in unit fixed-mounted version

4-hole front mountingYes

front mounting with central attachmentNo

rail mountingNo

Net Weight673 g

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-25 °C

maximum55 °C

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Siemens 3LD2804-1TD51

About This Product

Siemens 3LD2804-1TD51

Specifications

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