Datasheet

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Data sheet 3KF2312-0MF11

Switch disconnector with fuse 125 A, Size 2, 3-pole for LV HRC fuse

Sz. 000 and 00 Front operating mechanism center Basic unit without

handle flat terminal

Model

Product brand name SENTRON

Product designation Switching device

Design of the product 3KF switch disconnector with fuses

Design of the operating mechanism without

Design of handle Without

Direction of actuation from the front

Type of the driving mechanism / motor drive No

Number of poles 3

Size of disconnecting link 00 and 000

Size of switch disconnector 2

Size of fuse link NH000, NH00

Electrical endurance (switching cycles)

● at AC-23 A / at 440 V / at 50/60 Hz

8000

● at AC-23 A / at 690 V / at 50/60 Hz

5000

● at DC-23 A / at 440 V

1000

I2t value

● with closed switch / for combination switch +

fuse / at 500 V / maximum

150600A²·s

3KF2312-0MF11 Subject to change without notice

Page 1/

Summary of content (9 pages)

PAGE 1
Data sheet 3KF2312-0MF11 Switch disconnector with fuse 125 A, Size 2, 3-pole for LV HRC fuse Sz.
PAGE 2
● with closed switch / for combination switch + fuse / at 400 V / maximum 150 600 A²·s ● with closed switch / at 690 V / for combination switch + gG fuse / maximum 89 640 A²·s ● of the fuse / at 500 V / maximum permissible 223 000 A²·s ● of the gG fuse / at 690 V / maximum permissible 360 000 A²·s ● of the aM fuse / at 690 V / maximum permissible 565 000 A²·s Mechanical service life (switching cycles) / typical 12 000 Position / of the switch operating mechanism after the first pole Fuse syste
PAGE 3
● at AC-21 A / at 500 V / maximum 125 A ● at AC-21 A / at 690 V / maximum 125 A ● at AC-23 A / at 500 V / at 50/60 Hz / rated value / maximum 125 A ● at AC-22 A / at 500 V / at 50/60 Hz / rated value / maximum 125 A ● at AC-22 A / at 400 V / at 50/60 Hz / rated value / maximum 125 A ● at AC-22 A / at 690 V / at 50/60 Hz / rated value / maximum 125 A ● at AC-23 A / at 400 V / at 50/60 Hz / rated value / maximum 125 A ● at AC-23 A / at 690 V / at 50/60 Hz / rated value / maximum 125 A ● at DC-
PAGE 4
● for combination switch + fuse / at 500 V / maximum permissible Short-time current resistance (Icw) / at 690 V AC/440 V DC / limited to 1 s / rated value 18 200 A 5 kA Main circuit Operating power / at AC-23 A ● at 400 V / at 50/60 Hz / rated value 55 kW ● at 500 V / at 50/60 Hz / rated value 75 kW ● at 690 V / at 50/60 Hz / rated value 110 kW Operating voltage ● at AC / at 50/60 Hz / rated value 690 V ● at AC / rated value / maximum 690 V Auxiliary circuit Number of connected NC contacts / for
PAGE 5
● fuse monitoring No ● Overvoltage protection monitoring No Short circuit Short-circuit current making capacity (Icm) / for switch disconnector / at 690 V AC/440 V DC / without fuse link / rated value / minimum 7.65 kA Connections Arrangement of electrical connectors / for main current circuit Top and bottom Tightening torque / with screw-type terminals ● minimum 15 N·m ● maximum 22 N·m ● Type of connectable conductor cross-sections / for aluminum conductor / stranded / with lug 1x (2.5 ...
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● acc. to DIN EN 61346-2 Q ● acc. to DIN EN 81346-2 Q General Product Approval other Miscellaneous Miscellaneous Further information Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/lowvoltage/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3KF2312-0MF11 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.
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46 24 20 22 161.3 9 6 36 173 2.5 63.5 4.2 110 65 150 122 52 58 3 5.7 44 185.9 195.9 87.5 213.