Siemens SENTRON 5SY4 MCB, 2-pole, C, 1 A, 230/400 V AC, 6 kA 5SY4201-7

The Siemens 5SY4201-7 miniature circuit breaker stands out with its precise 1 A rating and C tripping characteristic, making it ideal for protecting circuits with moderate inrush currents such as lighting and control circuits. Its 2-pole design ensures simultaneous disconnection of both live conductors, enhancing safety in single-phase systems.

Highlights

• Rated current: 1 A
• Tripping characteristic: C
• Number of poles: 2
• Rated voltage: 230/400 V AC
• Breaking capacity: 6 kA
• DIN rail mounting

In daily use

This MCB is engineered for reliable performance in residential and commercial installations. Its screw terminals accept solid conductors from 0.75 to 35 mm² and stranded conductors up to 25 mm², providing flexibility during installation. The device operates within a temperature range of -25 °C to +45 °C and offers an electrical endurance of 10,000 switching cycles, ensuring long-term dependability.

Full specifications

• Number of poles: 2
• Tripping characteristic: C
• Rated current: 1 A
• Rated voltage: 230/400 V AC
• Rated switching capacity (Icn): 6 kA
• Frequency: 50/60 Hz
• Voltage type: AC
• Mounting type: DIN rail (EN 60715)
• Degree of protection: IP20 (with connected conductors)
• Operating temperature range: -25 °C to +45 °C
• Storage temperature range: -40 °C to +75 °C
• Electrical endurance: 10,000 switching cycles
• Mechanical endurance: 20,000 switching cycles
• Terminal type: Screw terminals
• Conductor cross-section (solid): 0.75 - 35 mm²
• Conductor cross-section (stranded): 0.75 - 25 mm²
• Product series: SENTRON 5SY4
• Standard compliance: IEC 60898-1
• Overvoltage category: III
• Pollution degree: 2

Final note

The Siemens 5SY4201-7 combines precision protection with robust construction, making it a trusted choice for demanding electrical installations.