Siemens SENTRON 5SY5 2-Pole 10 A C-Curve MCB, 10 kA Breaking Capacity, AC/DC Sensitive (5SY5210-7)

With a rated switching capacity of 10 kA, this Siemens miniature circuit breaker delivers robust protection for branch circuits. The 2-pole design and C tripping characteristic handle moderate inrush currents while safeguarding cables and equipment.

Overview

The Siemens 5SY5210-7 is a 2-pole miniature circuit breaker (MCB) from the SENTRON 5SY5 series. It is rated for 10 A and features a C tripping curve, making it suitable for general power distribution and lighting circuits with moderate surge currents. The breaker is AC/DC sensitive, providing protection against both alternating and direct current faults. It mounts on a standard 35 mm DIN rail and uses screw terminals for secure wiring.

What stands out

• High 10 kA breaking capacity for reliable short-circuit interruption
• 2-pole design for simultaneous disconnection of phase and neutral
• AC/DC sensitive for versatile applications
• Wide operating temperature range from -25 °C to +45 °C
• Long electrical and mechanical endurance

Technical details

• Rated current: 10 A
• Number of poles: 2
• Tripping characteristic: C
• Rated switching capacity: 10 kA at 230/400 V AC
• Rated voltage: 230/400 V AC, 60 V DC per pole
• Frequency: 50/60 Hz
• Mounting: DIN rail EN 60715
• Terminal capacity: 0.75 to 35 mm²
• Electrical endurance: 10,000 cycles
• Mechanical endurance: 20,000 cycles
• Ambient temperature: -25 °C to +45 °C
• Degree of protection: IP20 (terminals), IP40 (with conductors)

Our verdict

A dependable choice for commercial and industrial circuits requiring a 10 A, 2-pole MCB with high breaking capacity and AC/DC sensitivity.