Siemens SIRIUS ACT 3SU14 Series Contact Block, 5 → 500V ac/dc, 1NO

Ensure the safety of your electrical circuits with this contact block from Siemens. It's an electrical circuit connector used to turn a circuit on or off. The unit can be stacked together with other contact blocks for increased versatility. Its high-quality plastic material ensures it's durable and impact-resistant, making it suitable for use in harsh industrial environments. Thanks to a long mechanical and electrical lifespan of 10 million switching cycles, you can rest assured this unit will last a long time. Use it with devices such as relays, switches and circuit breakers.

• Self-holding function ensures the contact block will retain its position despite signals from other relays or devices
• Snap-on design for quick and simple installation without the need for specialist tools
• Voltage rating of 5 to 500V AC/DC for use in both low and high-voltage electrical setups
• Silver-alloy contact for high conductivity and corrosion resistance to ensure a reliable electrical connection

Yes, the terminal has an IP20 (ingress protection) rating, indicating it's touch-proof and users are protected from electrical shocks for enhanced safety.