The IDEC RV8H-1S1-AD18 is a compact and versatile SPDT relay, suitable for use in Class I, Division 2 and Class I, Zone 2 hazardous locations. Its slim 14 mm profile conserves space while offering a wide input voltage range of 6 to 240 VAC/DC. The unit includes a universal socket with surge suppression and an LED indicator, gold-plated contacts for reliable connectivity (available on the 2-pole model), and comes pre-assembled with a DIN mount socket. Designed for durability, it features high dielectric strength, impulse withstand voltages, reverse polarity protection, and is RoHS compliant. A convenient release lever facilitates easy installation and maintenance.