SIEMENS 5SY6325-7 MCB C25A 3-Pole 6kA 400V AC

The SIEMENS 5SY6325-7 is a 3-pole miniature circuit breaker (MCB) with a rated current of 25 A and C tripping characteristic, providing reliable protection against overloads and short circuits in AC installations. Its 6 kA breaking capacity ensures safe interruption of fault currents up to 6,000 A.

Advantages

This MCB offers precise protection with a C-curve, making it ideal for circuits with moderate inrush currents. The 3-pole design enables simultaneous disconnection of all phases, enhancing safety in three-phase systems. With a compact 3-module width (54 mm), it optimizes space on DIN rails.

Suitable for

• Three-phase distribution boards in residential and commercial buildings
• Protection of motors, transformers, and other inductive loads
• Circuits requiring 25 A rated current with moderate surge tolerance

Key specifications

• Rated current: 25 A
• Number of poles: 3
• Tripping characteristic: C
• Rated short-circuit breaking capacity: 6 kA
• Rated voltage: 400 V AC
• Frequency: 50/60 Hz
• Mounting: DIN rail TH 35 mm
• Degree of protection: IP20
• Operating temperature: -25 to +45 °C
• Terminal capacity: 0.75 - 35 mm² (solid), 0.75 - 25 mm² (stranded)
• Mechanical endurance: 10,000 cycles
• Electrical endurance: 10,000 cycles
• Module width: 3 modules (54 mm)

Recommendations

For optimal performance, install this MCB in a suitable distribution board with proper ventilation and ensure connections are tightened to the specified torque. Always verify compatibility with the system's voltage and frequency.