Siemens SIRIUS ACT 3SU15 Series Contact Block, 5 → 500V ac/dc, 1NO

Take charge of your switching devices with this 6A contact block from Siemens. When wired up, it allows you to control a connected circuit by transmitting current in the on position. As you can use it with both AC or DC power, it's a versatile option. The unit delivers high performance in ambient temperatures between -25°C and +70°C, which makes it ideal for challenging work areas. You'll find products like this one commonly used to support reset switches and E-stop equipment.

• IP20 rating on the terminal shows it's touch-proof and protected against objects bigger than 12mm, including wires and tools
• Maximum operating voltage of 500V so you can use it safely with powerful electrical systems
• Surge resistance offers protection against voltages of up to 6kV

The reliability rating of this contact block is one maloperation per 100 million operations when functioning at 17V and 5mA. So even when in constant use, it's a dependable piece of kit.