Siemens 5SY41065 MCB 1P 6A Type A 10kA 230/400V

Protect your electrical circuits from overload and short-circuit damage with the Siemens 5SY41065 miniature circuit breaker. This 1-pole MCB is rated for 6 A and features a Type A tripping characteristic, making it suitable for protecting sensitive electronic equipment and semiconductor circuits. Its 10 kA breaking capacity ensures reliable interruption of high fault currents in residential and commercial installations.

Who is it for

Electricians, panel builders, and maintenance technicians who need a dependable circuit breaker for DIN rail mounting in distribution boards. It is ideal for protecting circuits with electronic loads where fast tripping on residual pulsating DC currents is required.

Main features

• 1-pole design, 6 A rated current, Type A tripping characteristic
• High breaking capacity of 10 kA at 230/400 V AC
• Compact 1-module width (18 mm) for space-saving installation
• Screw terminals accept conductors from 0.75 to 35 mm²
• Wide operating temperature range from -25°C to +45°C
• Long service life: 10,000 mechanical and electrical switching cycles

Specifications

• Rated current: 6 A
• Number of poles: 1P
• Tripping characteristic: Type A
• Rated voltage: 230/400 V AC
• Rated breaking capacity: 10 kA
• Frequency: 50/60 Hz
• Installation type: DIN rail
• Terminal type: Screw terminal
• Terminal capacity (solid/stranded): 0.75 - 35 mm²
• Terminal capacity (fine-stranded with ferrule): 0.75 - 25 mm²
• Degree of protection (terminals): IP20
• Degree of protection (with enclosure): IP40
• Mechanical service life: 10,000 switching cycles
• Electrical service life: 10,000 switching cycles
• Ambient operating temperature: -25 to +45 °C
• Ambient storage temperature: -40 to +75 °C
• Mounting position: Any
• Module width: 1 module (18 mm)
• Standard: IEC 60898-1

Tips

Ensure the breaker is installed in a suitable enclosure to achieve the IP40 protection rating. For fine-stranded conductors, use ferrules to maintain secure connections within the specified capacity.