Siemens SENTRON 3KF LV HRC, Руководство пользователя

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3KF switch disconnectors with fuses
Manual, 09/2019, L1V30580914002A-01
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Product description
3
3.1 Function, performance features, application areas
Function
The 3KF switch disconnector is used to close, open, and protect rated currents from 32 A to
800 A.
Performance features
● 3-pole and 4-pole versions for AC and DC applications
● 5 frame sizes from 32 A to 800 A (3KF SITOR to 850 A)
● Modular retrofitting of additional poles (4th contact element, N or N/PE pole)
● Different operator control designs
● Manual operation from the side or front
● Locking function for handle
● Floor mounting or mounting on standard rail
Applications
The 3KF switch disconnector with fuses is suitable for the following industries:
● Process and basic industries
● Manufacturing industry
● Infrastructure (building installations, supply and disposal)
● Mining
● Machine control
● Wind farms
● ...
Installation locations
The products of the 3KF series are mainly used in the following locations:
● Distribution boards with standard system dimensions
● Control cabinets
● Mounting plates (free assembly)