The RF4XR trip relay from Arteche is an instantaneous trip relay designed for demanding tripping applications in high- and medium-voltage switchgear, delivering trip times in the 8 ms to 3 ms range to initiate circuit-breaker operation. It features four changeover contacts (4PDT Form-C) and supports F-type sockets for flush mounting. The device adheres to IEC 61000, IEC 60947, IEC 60255 and ANSI C37.90, with burden options including EB1 (low burden) and EB2 (high burden) to fit different installation requirements.
