Siemens Switch Disconnector
Fuse in SS Enclosure – 3KL8431-5UA00
The Siemens 3KL8431-5UA00
is a SENTRON 3KL8 Switch Disconnector Fuse (SDF) designed for safe
switching, isolation, and short-circuit protection in low-voltage power
distribution systems. This model comes in a stainless steel (SS) enclosure
execution, making it suitable for heavy-duty industrial, outdoor, and
corrosive environments where high durability and long service life are
required.
It is widely used in LT panels, MCC/PCC panels, feeder pillars, and high-capacity industrial distribution networks, where HRC fuse-based protection combined with secure manual isolation is essential.
Key Features
|
Parameter |
Specification |
|
Product Series |
Siemens SENTRON 3KL8 |
|
Part Number |
3KL8431-5UA00 |
|
Product Type |
Switch Disconnector Fuse (SDF) |
|
Enclosure Type |
Stainless Steel (SS Enclosure) |
|
Pole Configuration |
3P + N (3PN) |
|
Rated Current |
800A |
|
Rated Operational Voltage |
Up to 690V AC |
|
Frequency |
50/60 Hz |
|
Fuse Type |
DIN Type HRC Fuse |
|
Utilization Category |
AC-23A |
|
Operating Mechanism |
Manual Rotary Handle |
|
Mounting Type |
Panel / Enclosed Type |
|
Function |
Load switching + isolation +
short-circuit protection |
|
Standard Compliance |
IEC 60947-3 |
|
Application |
Power distribution, industrial
feeders, heavy electrical systems |
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