> SIEMENS>POWER DISTRIBUTION AND LOW VOLTAGE SWITCHGEAR>SWITCHES-DISCONNECTORS>3KF4440-4LF11 SIEMENS Switch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side o..
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3KF4440-4LF11 SIEMENS Switch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side o.. View larger
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3KF4440-4LF11 SIEMENS Switch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side o..

3KF4440-4LF11

SIEMENS

Switch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side operating mechanism left Basic unit without handle flat terminal

INTERR.-DISCONNECTOR W/FUSES 400A, SIZE 4, 4 POLES FOR NH TAM FUSES. 1 AND 2 ACCTO. LEFT SIDE WALL. BASE UNIT WITHOUT HANDLE FLAT CONNECTIONS. Cancelations and returns limited. Consult conditions.

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Low-voltage industrial components > Switch disconnector

POWER DISTRIBUTION AND LOW VOLTAGE SWITCHGEAR > SWITCHES-DISCONNECTORS

* Brand new product in its original packaging covered by the warranties and certifications provided by SIEMENS

Total price: $568.21
Unit price: $568.21

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Technical data

Switch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side operating mechanism left Basic unit without handle flat terminal
Model
product brand nameSENTRON
design of the product3KF switch disconnector with fuses
product variations3KF NH
design of the actuating elementwithout
design of handleWithout
direction of actuationFrom left
type of the driving mechanism / motor driveNo
number of poles4
size of disconnecting link2 and 1
size of switch disconnector4
size of fuse linkNH1, NH2
mechanical service life (switching cycles) / typical8 000
electrical endurance (switching cycles)
● at AC-23 A / at 440 V3 000
● at AC-23 A / at 690 V2 000
● at DC-23 A / at 440 V1 000
I2t value
● with closed switch / for combination switch + fuse / at 500 V / maximum1 205 000 A²·s
● with closed switch / for combination switch + fuse / at 400 V / maximum1 205 000 A²·s
● with closed switch / at 690 V / for combination switch + gG fuse / maximum1 300 000 A²·s
● of the fuse / at 500 V / maximum permissible2 150 000 A²·s
● of the gG fuse / at 690 V / maximum permissible2 600 000 A²·s
● of the aM fuse / at 690 V / maximum permissible2 600 000 A²·s
fuse systemLV HRC fuse
overvoltage categoryIV
operating voltage / with current paths in series
● with degree of pollution 2 / at DC / rated value440 / 3
● with degree of pollution 3 / at DC / rated value440 / 3
surge voltage resistance / rated value12 kV
Supply voltage
operating voltage / at AC / rated value / maximum690 V
Protection class
protection class IPIP00
protection class IP
● with closed switch / with cover or cable lug coverIP20
● on the frontIP00
Dissipation
power loss [W]
● with conventional rated thermal current / per pole26 W
● with conventional rated thermal current / per device78 W
● with conventional rated thermal current / without fuse / per pole26 W
● with conventional rated thermal current / without fuse / per device78 W
● for rated value of the current / at AC / in hot operating state / per pole26 W
● of the fuse / per fuse / maximum34 W
operational current
● at 35 °C / rated value400 A
● at 40 °C / rated value400 A
● at 45 °C / rated value350 A
● at 50 °C / rated value315 A
● at 55 °C / rated value315 A
● at 60 °C / rated value315 A
● at 65 °C / rated value280 A
● at 70 °C / rated value280 A
● at AC / rated value400 A
● at AC-21 A / at 500 V / rated value400 A
● at AC-21 A / at 690 V / rated value400 A
● at DC-23 A / at 440 V / rated value / note400 A
● at DC-23 A / at 220 V / rated value / note400 A
● at DC-22 A / at 440 V / rated value / note400 A
● at DC-22 A / at 220 V / rated value / note400 A
● at DC-21 A / at 440 V / rated value / note400 A
● at DC-21 A / at 220 V / rated value400 A
operational current / at DC / rated value400 A
let-through current / of the fuse / at 500 V / maximum permissible37 100 A
let-through current / of the gG fuse / at 690 V / maximum permissible47 000 A
let-through current / of the aM fuse / at 690 V / maximum permissible47 000 A
let-through current / with closed switch
● at 690 V / for combination switch + aM fuse / maximum permissible41 140 A
● at 690 V / for combination switch + gG fuse / maximum permissible41 140 A
● for combination switch + fuse / at 400 V / maximum permissible39 400 A
● for combination switch + fuse / at 500 V / maximum permissible39 400 A
short-time withstand current (Icw) / at 690 V AC/440 V DC / limited to 1 s / rated value12 kA
Main circuit
operating power / at AC-23 A / at 500 V / rated value280 kW
operational current / rated value400 A
Auxiliary circuit
number of connected NC contacts / for auxiliary contacts0
number of connected NO contacts / for auxiliary contacts0
number of connected CO contacts / for auxiliary contacts0
number of CO contacts / for auxiliary contacts0
number of NC contacts / for auxiliary contacts8
number of NO contacts / for auxiliary contacts8
suitability for use
● main switchYes
● switch disconnectorYes
● EMERGENCY OFF switchYes
● safety switchYes
● maintenance/repair switchYes
product feature / interlockNo
● product function / phase failure monitoringNo
● product component / voltage triggerNo
● product component / undervoltage releaseNo
● product component / undervoltage release with leading contactNo
product feature / sealableYes
product extension / auxiliary switchYes
product extension / optional
● locking capabilityYes
● motor driveNo
● fuse monitoringYes
product function
● fuse monitoringNo
● overvoltage protection monitoringNo
Short circuit
short-circuit current making capacity (Icm) / for switch disconnector / at 690 V AC/440 V DC / without fuse link / rated value / minimum24 kA
conditional short-circuit current / with line-side fuse protection
● at 500 V / by gG fuse / rated value100 kA
● at 690 V / by gG fuse / rated value100 kA
Connections
arrangement of electrical connectors / for main current circuitTop and bottom
tightening torque / with screw-type terminals
● minimum30 N·m
● maximum44 N·m
type of connectable conductor cross-sections / for aluminum conductor / stranded / with lug1x (6 ... 240 mm²), 2x (6 ... 150 mm²)
type of connectable conductor cross-sections
● for copper busbar1x (30 x 10 mm²)
type of connectable conductor cross-sections / for copper conductor
● stranded / with lug / according to DIN 462341x (6 ... 240 mm²), 2x (6 ... 150 mm²)
● stranded / with lug / according to DIN 462351x (16 ... 185 mm²), 2x (16 ... 150 mm²)
type of electrical connection / for main current circuitflat connector
Mechanical Design
height215 mm
width376.5 mm
depth206.5 mm
fastening methodfloor mounting
fastening method
● 4-hole front mountingNo
● front mounting with central attachmentNo
● rail mountingNo
mounting positionany
net weight7 700 g
Environmental conditions
ambient temperature / during operation
● minimum-25 °C
● maximum70 °C
ambient temperature / during storage
● minimum-50 °C
● maximum80 °C

Downloads and manuals

General Product ApprovalDeclaration of Conformity

CCC

Confirmation

VDE

Miscellaneous

EAC

UK Declaration of Conformity

Declaration of ConformityMarine / Shippingother

EC/EU-Declaration of Conformity

DNV-GL

Miscellaneous

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)
CAx-Online-Generator
Tender specifications
Date
5/12/2022


Additional data

Product
Article Number (Market Facing Number)3KF4440-4LF11
Product DescriptionSwitch disconnector with fuse 400 A, Size 4, 4-pole for LV HRC fuse Sz. 1 and 2 Side operating mechanism left Basic unit without handle flat terminal
Product familySENTRON 3KF Switch Disconnectors with Fuses
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group12S / 1DL
Surcharge for Raw MaterialsNone
Metal FactorLAO-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-works5 Day/Days
Net Weight (kg)9,497 Kg
Packaging Dimension510,00 x 275,00 x 255,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4001869536507
UPCNot available
Commodity Code85365080
LKZ_FDB/ CatalogIDLV10
Product Group5379
Group CodeP360
Country of originChina
Compliance with the substance restrictions according to RoHS directiveSince: 31.01.2016
Product classB: return restricted, please contact your Siemens partner/contact
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
VersionClassification
eClass627-37-14-01
eClass7.127-37-14-01
eClass827-37-14-01
eClass927-37-14-01
eClass9.127-37-14-01
ETIM5EC001040
ETIM6EC001040
ETIM7EC001040
ETIM8EC001040

ETIM data

ETIM: EC000216 - Switch disconnector

Value Unit
Rated permanent current at AC-23, 400 V (EF011777) -A
Version as main switch (EF006981) true
Version as maintenance-/service switch (EF006986) true
Version as safety switch (EF006985) true
Version as emergency stop installation (EF006959) true
Version as reversing switch (EF009408) false
Number of switches (EF005586) -
Max. rated operation voltage Ue AC (EF007355) 690V
Rated permanent current Iu (EF001389) 400.0A
Rated permanent current at AC-21, 400 V (EF009165) 400A
Rated short-time withstand current lcw (EF007050) 12.0kA
Rated operation power at AC-23, 400 V (EF007027) 220.0kW
Switching power at 400 V (EF009166) 220.0kW
Number of poles (EF001391) 4
Number of auxiliary contacts as normally closed contact (EF001377) 8
Number of auxiliary contacts as normally open contact (EF001376) 8
Number of auxiliary contacts as change-over contact (EF003531) 0
Motor drive optional (EF007386) false
Motor drive integrated (EF006697) false
Voltage release optional (EF007491) false
Device construction (EF008240) Built-in device fixed built-in technique
Suitable for floor mounting (EF007243) FALSE
Suitable for front mounting 4-hole (EF007247) false
Suitable for front mounting centre (EF007248) false
Suitable for distribution board installation (EF007262) false
Suitable for intermediate mounting (EF007264) false
Colour control element (EF007167) Other
Type of control element (EF006976) None
Interlockable (EF006281) false
Type of electrical connection of main circuit (EF006819) Other
Degree of protection (IP), front side (EF003118) IP00
Degree of protection (NEMA) (EF011959) Other
Rated operating voltage (EF001435) -V
Conditioned rated short-circuit current Iq (EF001444) -kA
Rated operation power at AC-3, 400 V (EF001364) -kW


Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
3KF4440-4LF11 3KF4440-4LF11 EN_3KF4440-4LF11.pdf 2 Mbytes 3KF4440-4LF11 3KF4440-4LF11 EN_3KF4440-4LF11.pdf

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