Siemens Sentron 5SY4 MCB, 1P, 4A Curve D, 230V AC, 72V DC, 10 kA Breaking Capacity

Don't let electrical hazards sneak up on your circuits – protect your kit with this MCB from Siemens. It steps in instantly to cut power to your network in the event of a short circuit or overcurrent, preventing equipment damage and electric shocks. The breaker has type-D tripping characteristics, which means that it's triggered at 10 to 20 times its 4A load current. This makes it useful for devices where high inrushes are expected, such as motors and power supply units. Its terminals accommodate cable sizes ranging between 14 and 4AWG, making it a versatile solution. You'll find MCBs like this one used on assembly lines and in switchgear systems.

• Performs reliably in temperatures ranging between -25°C and +55°C, making it a good fit for demanding environments
• DIN rail mounting style is simple and doesn't need tools, saving time and hassle
• Rated impulse withstand voltage of 4kV allows it to handle sudden power spikes without suffering damage

This unit withstands up to 20,000 mechanical operating cycles, so you can rest assured of its long-term performance.