The Phoenix Contact PT 1X2-24DC-ST is a reliable surge protection device designed for securing electrical installations against voltage spikes. This plug-in unit features a screw mount for easy and secure attachment, making it suitable for use in systems operating up to 20 VAC or 28 VDC. With an IP20 rating, it offers basic protection against dust and accidental contact, ideal for indoor applications. Distributed by BSP Automation, this surge protector helps enhance the safety and longevity of your electrical equipment in a straightforward and efficient manner.