The Schneider Electric CAE40U5 is an Easy TeSys control relay with four normally-open (4NO) pole contacts, designed for switching control circuits in industrial panels. Its 240 V AC 50 Hz coil pulls in at nominal voltage, and the contact block is rated for utilisation categories AC-14 and AC-15 — meaning it handles solenoid and electromagnetic loads typical of contactor coils, relays, and small valve actuators, not resistive heaters. The 4NO configuration gives you four isolated make contacts, each rated for the same control-circuit duty, so a single relay can interlock multiple logic paths or drive several pilot devices. Mechanically, the relay withstands 7 Gn shock when open and 10 Gn when closed, plus vibration up to 3 Gn at 5–300 Hz in the closed state — figures that matter when the panel is mounted on a machine frame or near a large motor. The IP2X finger-safe enclosure keeps live terminals out of reach, and the TH protective treatment per IEC 60068 means it resists tropical humidity and condensation without derating. Operating altitude of 3000 m without derating covers most installations short of high-mountain sites.
The grey (RAL 7011) housing matches the Easy TeSys family aesthetic, and the 4NO terminals are clearly marked for fast wiring. Storage temperature range of -60 to 80 °C and operating range of -20 to 70 °C give generous headroom for unheated enclosures or hot panel interiors.