ABB BT51 Emergency Stop Safety Relay, 24V dc, Single Channel, 4 Safety Contacts

The BT51 series has been designed for expanding the outputs of safety relays. Various time delay options are available.

Looking for a way to increase the number of outputs in your industrial automation system? Choose this 24V DC safety relay from ABB. By connecting this unit to your PLC, you can add more protective devices to your system via the component's 4NO outputs. This ensures you have full control over complex or dangerous processes. The relay's wide operating temperature range between -10°C and +55°C indicates that it's durable and suitable for use in demanding conditions. Installation is quick and simple – just clip the unit onto a standard 35mm DIN rail.

• Enclosure is IP40-rated for protection against tools and wires larger than 1mm
• LED indicators to allow for easy performance monitoring
• Operating humidity range between 35 and 85% for use in areas with high levels of non-condensing water vapour

• Non-contact safety sensors
• Magnetic switching
• Pressure-sensitive mats
• Light barriers

The dimensions of this unit are 120 (D) x 84 (H) x 22.5mm (W), so it won't take up much space in your setup.