Name: Circuit breakers 4-pin 400 A 8 makers, 8 breakers 690 V AC Siemens 3KF44400MF11
Brand: Siemens
SKU: 1745069
Availability: BackOrder

An electronic device with three modules, likely for control or switching in industrial applications.

Circuit diagram of an electrical switch with eight contacts, numbered from 1 to 8. Three resistors are connected in the centre.

Technical drawing of an electrical component with dimensions. Shows top view, side view, and cross-section with size specifications.

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Product type

Circuit breakers

Nominal voltage

690 V AC

Number of pins

Nominal current - rounded value

400 A

Contact type

8 makers

8 breakers

Datasheet (PDF)

EAN:

Part number:

Item no:

Dispatches on Fri 6 Nov

Sales and shipping:

Conrad ElectronicTerms & Conditions

Number

Piece(s)

Total (€ 829.00 / piece)

€ 829.00

incl. VAT

14-day return policy included

Report legal concerns

Technical specifications

Protection class: IP20
Isolation voltage: 1000 V
Ambient temperature: -25 °C to +70 °C
Surge voltage resistance: 12 kV
Mechanical life: 8000
Electrical life: 3000
Mounting type: floor mounting
Design of the electrical connection: flat connector
Size of the switch disconnector: 4
Power loss: 180 W

Product type: Circuit breakers

Contact type: 8 makers
8 breakers

Operating voltage: 690 V AC

Nominal voltage: 690 V AC

Number of pins: 4

Dim: (W x H x D) 360.1 x 215 x 206.5 mm

Nominal current: 400 A

Nominal current - rounded value: 400 A

Type: Switch disconnectors with fuses 3 KF

Width: 360.1 mm

Height: 215 mm

Depth: 206.5 mm

: Other

: 400 A

: 4

: 100 kA

: IP00

: NH1, NH2

: FALSE

: Flat plug-in connection

: TRUE

: Other

: TRUE

: TRUE

: 220 kW

: 12 kA

: TRUE

: FALSE

: FALSE

: 690 V

: FALSE

: FALSE

: Front side

UKCA: yes

Variants(All information include VAT, plus shipping costs)

Nominal current - rounded value

Nominal voltage

Number of pins

Product type

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Circuit breakers 3-pin 125 A 690 V AC Siemens 3KF23124RF11

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Circuit breakers 3-pin 160 A 690 V AC Siemens 3KF23160LF11

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Multiple: 1

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Circuit breakers 3-pin 160 A 690 V AC Siemens 3KF23160MF11

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Dispatches on Fri 6 Nov

Conrad Electronic

160 A

690 V AC

Circuit breakers

Piece(s)

Minimum order quantity: 1

Multiple: 1

€ 309.00^*

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Multiple: 1

€ 369.00^*

Documents & Downloads

Datasheet

Datasheet 1745069 Circuit breakers 4-pin 400 A 8 makers, 8 breakers 690 V AC Siemens 3KF44400MF11

User & Safety Instructions

User & Safety Instructions 1745069 Circuit breakers 4-pin 400 A 8 makers, 8 breakers 690 V AC Siemens 3KF44400MF11

Description

Switch disconnector with fuse 800 A, Size 5, 3-pole for LV HRC fuse Sz. 2 and 3 Side operating mechanism left Basic unit without handle flat terminal 3KF switch disconnector with fuses as main, EMERGENCY STOP or maintenance switch. Depending on their size, 3KF switch disconnectors with fuses enable a rated current between 32 and 800 A to be switched on and off. Furthermore, they fulfill a safety isolation function in all age circuits. 3KF switch disconnectors with fuses are optimized for complex applications in which LV HRC fuses are used. 1. Switch disconnectors with door coupling or direct operating mechanism in five sizes can be used in a variety of applications. 2. Simple retrofitting of functions possible thanks to an extensive range of accessories. 3. Reliable protection against electrical accidents by means of locking functions, touch protection and automatically interlocked fuse cover in the switched-on state. 4. Rugged technology with high short-circuit strength for high system availability. 5. Quick installation on the standard mounting rail with frame sizes up to 80 A. 6. Efficient engineering with extensive CAx data. 7. Reliable protection also for wind power plants up to 690 V + 10%. www.siemens.com/switching-devices. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.