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Siemens 3LD2248-0TK51

SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 32 A, Operating power / at AC-23 A at 400 V: 11.5 kW, floor mounting with door coupling, rotary operating mechanism, black, central mounting 22.5 mm of the handle, without tolerance compensation

SiemensMFR # 3LD2248-0TK51SKU # YLSBPZ4MQNTHPI

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 3LD2248-0TK51

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

size of switch disconnector2

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 pole0.98 W

Main circuit

at AC-21 at 690 V rated value32 A

at AC-21 A at 240 V rated value32 A

at AC-21 A at 400 V rated value32 A

at AC-21 A at 440 V rated value32 A

at AC-23 A at 400 V rated value22 A

at AC-23 A at 240 V rated value6 kW

at AC-23 A at 400 V rated value12 kW

at AC-23 A at 440 V rated value11.5 kW

at AC-23 A at 690 V rated value12 kW

at AC-3 at 240 V rated value5.5 kW

at AC-3 at 400 V rated value10 kW

at AC-3 at 690 V rated value9.5 kW

Auxiliary circuit

number of CO contacts for auxiliary contacts0

number of NC contacts for auxiliary contacts0

number of NO contacts for auxiliary contacts0

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 featureWithout tolerance compensation

product feature can be locked into OFF positionYes

Accessories

motor driveNo

voltage triggerNo

number of connectable NC contacts for auxiliary contacts attachable maximum3

number of connectable NO contacts for auxiliary contacts attachable maximum5

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 value50 kA

at 240 V for combination switch + gG fuse maximum4.5 kA

at 440 V for combination switch + gG fuse maximum4.5 kA

at 690 V for combination switch + gG fuse maximum permissible5 kA

at 240 V for combination switch + gG fuse maximum9 kA²·s

at 440 V for combination switch + gG fuse maximum9 kA²·s

at 690 V for combination switch + gG fuse maximum9 kA²·s

for short-circuit protection of the main circuit requiredfuse gL/gG: 40 A

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

operational current of upstream fuse rated value40 A

according UL

operational current at AC according to UL 508/UL 60947-4-1 rated value32 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 value20

active power [hp] at AC at 600 V according to UL 508/UL 60947-4-1 rated value20

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 value80 A

type of fuse according to ULRK5

Connections

solid1x (1,5...16mm²)

finely stranded with core end processing1x (1,5...10mm²)

stranded1x (1,5...16mm²)

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

height79 mm

width67 mm

depth368 mm

type of devicefixed mounting

fastening methodBuilt-in unit fixed-mounted version

4-hole front mountingNo

front mounting with central attachmentYes

rail mountingYes

Net Weight0.407 kg

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-25 °C

maximum55 °C

Accessories 11

Genuine accessories that can be used with the Siemens 3LD2248-0TK51 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
3LD9286-1A	Aksesuar · Main and EMERGENCY OFF switch
3LD9286-4A	Aksesuar · Main and EMERGENCY OFF switch
3LD9200-5C	Aksesuar · Main and EMERGENCY OFF switch
3LD9200-5CF	Aksesuar · Main and EMERGENCY OFF switch
3LD9205-2C	Aksesuar · main and EMERGENCY OFF switch
3LD9240-5D	Aksesuar · Main and EMERGENCY OFF switch
3LD9240-5DF	Aksesuar · Main and EMERGENCY OFF switch
3LD9256-0A	Aksesuar · Main and EMERGENCY OFF switch
3LD9221-0A	Aksesuar · Main and EMERGENCY OFF switch
3LD9220-0C	Aksesuar · Main and EMERGENCY OFF switch
3LD9220-2C	Aksesuar · Main and EMERGENCY OFF switch