Switch Disconnector fuse: 3KL8 3-pole with Isolable neutral - 3KL8221-3TA00

Product Description

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

The Siemens 3KL8221-3TA00 is a SENTRON 3KL8 Switch Disconnector Fuse (SDF) designed for safe switching, isolation, and protection of low-voltage power distribution systems. This unit is configured as a 3 Pole with Isolable Neutral (3P+N) and is used with DIN-type HRC fuse links for reliable circuit protection in industrial and commercial electrical networks.

It is widely used in LT panels, MCC panels, feeder distribution, and motor protection applications where safe disconnection and high short-circuit protection are required. With a rated current of 125A and operational voltage up to 690V AC, it delivers strong performance and safety in demanding electrical installations.

Key Features:

• Siemens SENTRON 3KL8 series Switch Disconnector Fuse 

• Part Number: 3KL8221-3TA00 

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

• Rated current: 125A 

• Suitable for DIN type HRC fuse links 

• High reliability load switching and isolation 

• Strong short-circuit withstand capability 

• Safe disconnection for maintenance and fault conditions 

• Manual rotary operating mechanism 

• Positive ON/OFF position indication 

• Padlockable handle for safety isolation 

• Compact and rugged industrial design 

• Suitable for LT/MCC panels and feeder systems 

• Long mechanical life and durable construction 

• Designed as per IEC / IS 60947-3 standards 

• Suitable for AC-23A utilization category