Comus International Relays, Hg Wet Relays HGSM Series

The HGSM Series is a single side stable mercury relay with 1 Form C contacts, designed for bounce-free switching up to 100 W, 500 VDC, and 2 A. It features magnetically shielded construction, stable low contact resistance (max 30 mΩ), and operates with coil voltages of 5, 12, 24, or 48 VDC. The relay has an operate time of 1.25 ms max and release time of 1.25 ms max, with an insulation resistance of at least 10⁹ Ω. It operates from -38°C to +85°C, stores from -40°C to +105°C, weighs 12.5 grams, and measures 52.3 mm in length, 45.7 mm in width, and 16.0 mm in height. Contact material contains 0.32 grams of mercury. Series variants share these specifications and are available in documented coil voltage configurations.