SIEMENS 5SY4101-7 MCB 1A 1-Pole C 6kA Miniature Circuit Breaker

The SIEMENS 5SY4101-7 is a high-quality miniature circuit breaker (MCB) from the reliable 5SY series, designed for protecting electrical installations against overloads and short circuits. With a rated current of 1 A and a tripping characteristic C, it is ideal for circuits with moderate inrush currents, such as lighting and control circuits. This 1-pole breaker offers a rated switching capacity of 6 kA at both 230 V and 400 V AC, ensuring robust performance in residential and commercial applications.

Advantages

Compact design for space-saving installation on DIN rails; reliable protection with high breaking capacity; long mechanical and electrical service life of 10,000 switching cycles; easy wiring with screw terminals accepting conductors up to 35 mm² solid or 25 mm² fine-stranded.

Suitable for

• Lighting circuits
• Control circuits
• Small transformer protection
• Residential and commercial distribution boards

Key specifications

• Brand: SIEMENS
• Model: 5SY4101-7
• Type: Miniature Circuit Breaker (MCB)
• Number of Poles: 1
• Rated Current (In): 1 A
• Tripping Characteristic: C
• Rated Switching Capacity (Icn): 6 kA at 230/400 V AC
• Rated Voltage (Ue): 230/400 V AC
• Frequency: 50/60 Hz
• Mounting: DIN rail (TH 35 mm)
• Degree of Protection: IP20 (terminals), IP40 (with conductors)
• Ambient Temperature: -25 to +45 °C
• Mechanical/Electrical Service Life: 10,000 cycles
• Terminal Type: Screw terminals
• Conductor Cross-section: 0.75-35 mm² solid, 0.75-25 mm² fine-stranded
• Standards: IEC 60898-1, EN 60898-1

Recommendations

For optimal protection, ensure the MCB is installed by a qualified electrician and that the connected load does not exceed the rated current. Use appropriate wire sizes and torque settings as per the manufacturer's instructions.