> SIEMENS>POWER DISTRIBUTION AND LOW VOLTAGE SWITCHGEAR>SWITCHES-DISCONNECTORS>3LD2744-0TK53 SIEMENS SENTRON, 3LD switch disconnector, EMERGENCY-STOP switch, 3-pole, Iu:100 A, Operational..
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3LD2744-0TK53 SIEMENS SENTRON, 3LD switch disconnector, EMERGENCY-STOP switch, 3-pole, Iu:100 A, Operational.. View larger
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3LD2744-0TK53 SIEMENS SENTRON, 3LD switch disconnector, EMERGENCY-STOP switch, 3-pole, Iu:100 A, Operational..

3LD2744-0TK53

SIEMENS

SENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 100 A, operating power / at AC-23 A 400 V: 37 kW, floor mounting with door coupling, rotary operating mechanism, Red / yellow, central mounting 22.5 mm of the handle

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POWER DISTRIBUTION AND LOW VOLTAGE SWITCHGEAR > SWITCHES-DISCONNECTORS

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Technical data

SENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 100 A, operating power / at AC-23 A 400 V: 37 kW, floor mounting with door coupling, rotary operating mechanism, Red / yellow, central mounting 22.5 mm of the handle
Model
product brand nameSENTRON
product designation3LD Switch disconnector
design of the productEMERGENCY-STOP switch
display version / for switch position indicator manual operation1 ON - 0 OFF
design of the actuating elementShort rotary knob
design of handlerotary operating mechanism, red/yellow
type of the driving mechanism / motor driveNo
General technical data
number of poles3
type of devicefixed mounting
type of switchFloor mounting with door coupling
size of switch disconnector4
mechanical service life (switching cycles) / typical100 000
electrical endurance (switching cycles)
● at AC-23 A / at 690 V6 000
I2t value / with closed switch / at 690 V / for combination switch + gG fuse / maximum64 kA2.s
let-through I2t value / with closed switch / at 440 V / for combination switch + gG fuse / maximum64 kA2.s
operating frequency / maximum50 1/h
Voltage
insulation voltage / rated value690 V
surge voltage resistance / rated value6 kV
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 pole7.5 W
● per conductor / typical8 W
Current
operational current
● at 40 °C / rated value100 A
● at 45 °C / rated value100 A
● at 50 °C / rated value100 A
● at 55 °C / rated value100 A
● at AC / rated value100 A
● at AC-23 A / at 400 V / rated value70 A
● at AC-21 / at 690 V / rated value100 A
● at AC-21 A / at 240 V / rated value100 A
● at AC-21 A / at 440 V / rated value100 A
operational current / of upstream fuse / rated value100 A
let-through current / with closed switch
● at 440 V / for combination switch + gG fuse / maximum10 kA
● at 690 V / for combination switch + gG fuse / maximum permissible10 kA
Main circuit
operating power
● at AC-23 A / at 240 V / rated value18.5 kW
● at AC-23 A / at 400 V / rated value37 kW
● at AC-23 A / at 440 V / rated value37 kW
● at AC-23 A / at 690 V / rated value30 kW
● at AC-3 / at 240 V / rated value18.5 kW
● at AC-3 / at 400 V / rated value30 kW
● at AC-3 / at 690 V / rated value22 kW
operational current / rated value100 A
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
● switch disconnectorYes
● EMERGENCY OFF switchYes
● safety switchYes
● maintenance/repair switchYes
Appearance
color / of the actuating elementred
Product details
product feature
● can be locked into OFF positionYes
number of bracket locks / maximum3
hasp thickness / of the bracket locks / minimum4 mm
hasp thickness / of the bracket locks / maximum8 mm
product extension / optional
● motor driveNo
● voltage triggerNo
Short circuit
conditional short-circuit current / with line-side fuse protection
● at 690 V / by gG fuse / rated value50 kA
according UL
operational current / at AC / according to UL 508/UL 60947-4-1 / rated value100 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 value60
active power [hp] / at AC / at 600 V / according to UL 508/UL 60947-4-1 / rated value75
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
Number
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
Connections
AWG number / as coded connectable conductor cross section / solid
● maximum1
● minimum12
type of connectable conductor cross-sections / for copper conductor
● solid1x (4...50mm²)
● finely stranded / with core end processing1x (4...35mm²)
● stranded1x (4...50mm²)
type of connectable conductor cross-sections / for auxiliary contacts
● 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)
type of electrical connection
● for main current circuitbox terminal
● for auxiliary contactsconnection terminals
Requirements
design of the fuse link
● for short-circuit protection of the main circuit / requiredfuse gL/gG: 100 A
● for short-circuit protection of the auxiliary switch / requiredfuse gL/gG: 10 A
Mechanical Design
height105 mm
width84 mm
depth418 mm
fastening methodBuilt-in unit fixed-mounted version
fastening method
● 4-hole front mountingNo
● front mounting with central attachmentYes
● rail mountingYes
net weight713 g
Environmental conditions
ambient temperature / during operation
● minimum-25 °C
● maximum55 °C
ambient temperature / during storage / minimum-25 °C

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Further information
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Tender specifications
Date
5/6/2022


Additional data

Product
Article Number (Market Facing Number)3LD2744-0TK53
Product DescriptionSENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 100 A, operating power / at AC-23 A 400 V: 37 kW, floor mounting with door coupling, rotary operating mechanism, Red / yellow, central mounting 22.5 mm of the handle
Product familyNot available
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group12R / 1CL
Surcharge for Raw MaterialsNone
Metal FactorLAO-----
Delivery information
Export Control RegulationsECCN : N / AL : N
Standard lead time ex-works80 Day/Days
Net Weight (kg)0,706 Kg
Packaging Dimension143,00 x 475,00 x 115,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209768000
UPCNot available
Commodity Code85365080
LKZ_FDB/ CatalogIDLV10.1
Product Group5887
Group CodeP360
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 20.02.2008
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates
There is currently no information on SVHC (Substances of Very High Concern http://echa.europa.eu/web/guest/candidate-list-table) from the supply chain and our established procedures for screening our products for Substances of Very High Concern.We compare our products regularly with the information of the upstream users with regard to the substances indicated in the candidate list in accordance with the requirements of the REACH regulation. As soon as we have new findings, our information will be updated accordingly.
Classifications
Not available

Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
PDF CATALOGUE SIEMENS EN.pdf 104 Mbytes
3LD2744-0TK53 3LD2744-0TK53 EN_3LD2744-0TK53.pdf 525 Kbytes 3LD2744-0TK53 3LD2744-0TK53 EN_3LD2744-0TK53.pdf

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