Switch disconnector fuse: 3KL8 3PN for power distribution and motor protection - 3KL8221-5TA00

Product Description

Siemens Switch Disconnector Fuse – 3KL8 3PN with Isolable Neutral – 3KL8221-5TA00

The Siemens 3KL8221-5TA00 is a SENTRON 3KL8 Switch Disconnector Fuse (SDF) designed for safe switching, isolation, and protection of low-voltage power distribution systems. This model comes in a 3 Pole with Isolable Neutral (3P+N) configuration and is used with DIN-type HRC fuse links to provide reliable protection against overload and short-circuit conditions.

It is widely used in LT panels, MCC panels, feeder distribution systems, and motor protection applications, where safe isolation, high breaking performance, and operational reliability are required.

Key Features:

• Siemens SENTRON 3KL8 series Switch Disconnector Fuse 

• Part Number: 3KL8221-5TA00 

• 3 Pole with Isolable Neutral (3P+N) configuration 

• Rated current: 125A 

• Suitable for DIN type HRC fuse links 

• High short-circuit withstand capability 

• Safe load switching and isolation function 

• Manual rotary operating mechanism 

• Positive ON/OFF position indication 

• Padlockable handle for safety lockout 

• Compact and robust industrial design 

• Suitable for LT/MCC panel applications 

• High mechanical durability and long service life 

• Designed as per IEC / IS 60947-3 standards 

• Utilization category AC-23A for heavy-duty switching