Siemens SENTRON 5SJ63167KS Miniature Circuit Breaker 3-Pole C16 6kA 400V AC

Protect three-phase circuits in industrial control panels and distribution boards with the Siemens SENTRON 5SJ63167KS miniature circuit breaker. This 3-pole MCB with C tripping characteristic and 16 A rated current is built for reliable overload and short-circuit protection in commercial and industrial installations.

Key specifications

• Number of poles: 3
• Tripping characteristic: C
• Rated current: 16 A
• Rated voltage: 400 V AC
• Rated switching capacity: 6 kA
• Frequency: 50/60 Hz
• Terminal type: Plug-in terminal
• Mounting: DIN rail (TH 35 mm)
• Module width: 3 MW
• Degree of protection: IP20 (terminals), IP40 (with enclosure)
• Operating temperature: -25 to +45 °C
• Mechanical service life: 10000 switching cycles
• Electrical service life: 10000 switching cycles
• Connection cross-section (solid/stranded): 0.75 ... 25 mm²
• Standard: IEC 60898-1

Why choose it

The SENTRON 5SJ6 series is known for its compact design and reliable performance. The C characteristic is ideal for circuits with moderate inrush currents, such as lighting and socket outlets. Plug-in terminals simplify installation and maintenance.

Ideal use cases

• Protection of three-phase motors and transformers
• Distribution boards in commercial buildings
• Industrial control panels

Good to know

This MCB complies with IEC 60898-1 and is suitable for use in 50/60 Hz systems. It mounts on standard 35 mm DIN rails.