Siemens Switch Disconnector Fuse in SS Enclosure – 3KL8321-5UA00
The Siemens 3KL8321-5UA00 is a SENTRON 3KL8 Switch Disconnector Fuse (SDF) designed for safe switching, isolation, and short-circuit protection in low-voltage power distribution systems. This unit is supplied in a stainless steel (SS) enclosure execution, making it suitable for industrial environments, outdoor panels, and corrosive conditions where high durability and safety are required.
It is widely used in LT panels, MCC panels, feeder pillars, and industrial distribution boards, where reliable isolation and fuse-based protection using DIN-type HRC fuse links is essential.
Key Features:
• Siemens SENTRON 3KL8 series Switch Disconnector Fuse
• Part Number: 3KL8321-5UA00
• Stainless Steel (SS) enclosure execution
• 3 Pole + Neutral (3P+N) configuration
• Rated current: 250A
• Suitable for DIN-type HRC fuse links
• High short-circuit withstand capability
• Safe load switching and isolation function
• Manual rotary operating mechanism
• Clear ON/OFF position indication
• Padlockable handle for safety lockout
• Robust stainless steel enclosure for harsh environments
• Suitable for LT/MCC panel applications
• Designed as per IEC 60947-3 standards
|
Parameter |
Specification |
|
Product Series |
Siemens SENTRON 3KL8 |
|
Part Number |
3KL8321-5UA00 |
|
Product Type |
Switch Disconnector Fuse (SDF) |
|
Enclosure Type |
Stainless Steel (SS) Enclosure |
|
Pole Configuration |
3P + N (3PN) |
|
Rated Current |
250A |
|
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 |
|
Switching Function |
Load Switching & Isolation |
|
Protection Function |
Overload & Short Circuit Protection |
|
Standard Compliance |
IEC 60947-3 |
|
Application |
Power distribution, industrial feeders, motor protection,
LT panels |
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