GEMS Sensors, Inc 27A1E0Product Attribute Attribute Value Contact Form SPDT Current Rating 8 A Relay Type Solid State Relay Series Warrick Series 27 Overview Series 27 is UL approved for use in Class I, Groups A, B, C, D; Class II, Groups E, F, G; and Class III hazardous locations. SPDT output contacts. UL Pilot Duty rated. Features: Cannot Ignite Flammable Materials Solid State Reliability Up to 470K Ohm cm Sensitivity (Series 17) Internal Surge Suppression SPST Contacts