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Siemens 3LD3148-1TK51

3LD3 switch disconnector, Iu 25 A main switch 3-pole rated operational power at AC-23 A at 400V 9.0kW floor mounting basic switch with door coupling center-hole mounting 22.5 mm rotary operating mechanism black 66 x 66 mm with auxiliary switches 1 NO + 1 NC

SiemensMFR # 3LD3148-1TK51SKU # YLSZT1ARZ7TDBI

product brand nameSENTRON

product designationSwitch disconnector

design of the productMain switch

type of switchFloor mounting with door coupling

design of the actuating elementShort rotary knob

color of the actuating elementblack

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About This Product

Siemens 3LD3148-1TK51

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Quotation and lead time tailored to your request

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 switchFloor mounting with door coupling

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 note3

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 pole0.81 W

Main circuit

at AC-21 at 690 V rated value25 A

at AC-21 A at 240 V rated value25 A

at AC-21 A at 400 V rated value25 A

at AC-21 A at 440 V rated value25 A

at AC-23 A at 400 V rated value20 A

at AC-23 A at 240 V rated value4 kW

at AC-23 A at 400 V rated value10 kW

at AC-23 A at 440 V rated value9 kW

at AC-23 A at 690 V rated value9 kW

at AC-3 at 240 V rated value4 kW

at AC-3 at 400 V rated value8 kW

at AC-3 at 690 V rated value7.5 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

special product featureCan be locked in zero position

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 maximum4

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 440 V by gG fuse rated value10 kA

at 690 V by gG fuse rated value6 kA

at 240 V for combination switch + gG fuse maximum3.5 kA

at 440 V for combination switch + gG fuse maximum3.5 kA

at 690 V for combination switch + gG fuse maximum permissible4 kA

at 240 V for combination switch + gG fuse maximum4 kA²·s

at 440 V for combination switch + gG fuse maximum4 kA²·s

at 690 V for combination switch + gG fuse maximum4 kA²·s

for short-circuit protection of the main circuit requiredfuse gL/gG: 25 A

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

operational current of upstream fuse rated value25 A

according UL

operational current at AC according to UL 508/UL 60947-4-1 rated value25 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 value10

active power [hp] at AC at 600 V according to UL 508/UL 60947-4-1 rated value15

short-time withstand current (SCCR) at 600 V according to UL 508/UL 60947-4-15 kA

continuous current of upstream fuse according to UL rated value50 A

type of fuse according to ULRK5

Connections

solid1x (2.5 to 16 mm²)

finely stranded with core end processing1x (2.5...16 mm²)

stranded1x (2.5 to 16 mm²)

solid2x (0.75 ... 2.5 mm²), 1x 4 mm²

finely stranded with core end processing2x (0.75 ... 1.5 mm²), 1x 2.5 mm²

stranded2x (0.75 ... 2.5 mm²), 1x 4 mm²

for main current circuitbox terminal

for auxiliary contactsBox terminals

Mechanical Design

height60 mm

width47 mm

depth380 mm

type of devicefixed mounting

fastening methodBuilt-in unit fixed-mounted version

4-hole front mountingNo

front mounting with central attachmentYes

rail mountingYes

Net Weight366 g

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-25 °C

maximum55 °C

Accessories 16

Genuine accessories that can be used with the Siemens 3LD3148-1TK51 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3LD9340-0C	Aksesuar · Main and EMERGENCY OFF switch
3LD9344-3CA	Aksesuar · Main and EMERGENCY OFF switch
3LD9344-3C	Aksesuar · Main and EMERGENCY OFF switch
3LD9343-5C	Aksesuar · Main and EMERGENCY OFF switch
3LD9343-4CA	Aksesuar · Main and EMERGENCY OFF switch
3LD9343-4C	Aksesuar · Main and EMERGENCY OFF switch
3LD9346-3A	Aksesuar · Main and EMERGENCY OFF switch
3LD9346-2A	Aksesuar · Main and EMERGENCY OFF switch
3LD9346-1A	Aksesuar · Main and EMERGENCY OFF switch
3LD9341-0A	Aksesuar · Main and EMERGENCY OFF switch
3LD9340-6C	Aksesuar · Main and EMERGENCY OFF switch
3LD9340-3C	Aksesuar · Main and EMERGENCY OFF switch
3LD9340-2C	Aksesuar · Main and EMERGENCY OFF switch
3LD9343-5CA	Aksesuar · Main and EMERGENCY OFF switch
3LD9344-2C	Bileşen · Main and EMERGENCY OFF switch
3LD9344-2CA	Bileşen · Main and EMERGENCY OFF switch