The CAD326FDS207 is a TeSys D control relay from Schneider Electric, built for switching control circuits in industrial panels. Its contact arrangement is 3 normally-open plus 2 normally-closed poles, rated for operational voltages up to 690 V. The 110 V DC standard coil means it pulls in cleanly on a nominal 110 VDC control supply, with a dropout threshold that follows the DC coil curve — verify your control voltage stays above the minimum pick-up voltage under load.
The utilisation categories tell you what loads this relay can switch: AC-14 and AC-15 cover electromagnetic loads like contactor coils and solenoid valves, while DC-13 covers DC solenoids and brake coils. The 110 V DC coil draws its rated current at nominal voltage — factor that into your control transformer sizing. Mechanical robustness is specified per IEC 60068-2-27 and -2-6: the relay withstands 10 Gn shocks when open and 15 Gn when closed, plus 2 Gn vibration open and 4 Gn closed across 5–300 Hz. That is enough for most fixed-panel installations; for mobile equipment or high-vibration environments, check the vibration profile against your mounting point.
Altitude rating goes to 3000 m without derating. Above that, dielectric strength and cooling derate per IEC 60947-1 — not a concern for most sites, but worth noting for high-altitude installations.
This relay carries approvals under EN/IEC 60947-4-1 and -5-1, UL 60947-4-1, and CSA C22.2 No 60947-4-1, so it is accepted in North American and European panels. It also meets EN 45545 R22 HL3 for railway fire behaviour, and the enclosure material is rated V0 per UL 94 with 850 °C glow-wire resistance per IEC 60695-2-1. Protective treatment is TH per IEC 60068 for tropical environments.