Surge arrester 2P for weather station 4-20mA status display. Surge protection with integrated status display and knife separation for a 2-wire, floating signal circuit. Device that can be mounted on a mounting rail with individual labeling area on the front. Internal protective circuit and QR code with link to online documentation shown on the product page. Integrated disconnection device with optical status display without auxiliary power on the device and option for joint remote signaling of up to 40 protective devices.