SIEMENS SENTRON 5SY4 MCB 25A 3-Pole C 6kA 5SY4325-7

The SIEMENS SENTRON 5SY4325-7 is a high-quality miniature circuit breaker (MCB) from the SENTRON 5SY4 series, designed for reliable overcurrent and short-circuit protection in industrial and commercial electrical installations. With a rated current of 25 A, 3 poles, and C tripping characteristic, it ensures safe operation of circuits with moderate inrush currents, such as lighting and motor loads. This MCB complies with IEC 60898-1 and offers a breaking capacity of 6 kA at 400 V AC.

Advantages

• Reliable thermal-magnetic protection for cables and equipment
• Compact design for space-saving installation on DIN rail
• High breaking capacity of 6 kA ensures safety under fault conditions
• Suitable for a wide temperature range from -25 to +45 °C
• Long mechanical and electrical service life of 10,000 cycles

Suitable for

• Industrial control panels and distribution boards
• Commercial building electrical systems
• Protection of lighting circuits, socket outlets, and small motors
• Applications requiring C-curve tripping characteristics

Key specifications

• Brand: SIEMENS
• Model: 5SY4325-7
• MPN: 5SY4325-7
• EAN: 4001869181974
• Product series: SENTRON 5SY4
• Type: Miniature circuit breaker (MCB)
• Number of poles: 3
• Rated current: 25 A
• Tripping characteristic: C
• Rated voltage: 400 V AC
• Breaking capacity: 6 kA
• Frequency: 50/60 Hz
• Mounting: DIN rail (EN 60715 TH35)
• Degree of protection: IP20 (terminals)
• Terminal type: Screw terminals
• Terminal capacity solid: 0.75 - 35 mm²
• Terminal capacity stranded: 0.75 - 25 mm²
• Pollution degree: 3
• Overvoltage category: III
• Energy limiting class: 3
• Ambient operating temperature: -25 to +45 °C
• Mechanical service life: 10,000 cycles
• Electrical service life: 10,000 cycles
• Standard: IEC 60898-1

Recommendations

For optimal performance, ensure proper installation by a qualified electrician. Use appropriate cable sizes and follow local electrical codes. This MCB is designed for fixed installations and should not be used for frequent switching operations.