The NB90E-12S-S-C 30A is a general purpose, non-latching, 12VDC, SPTD (Single Pole, Double Throw) 30A max, through hole relay manufactured by NBC. It is RoHS compliant and is designed to be operated at a maximum of 277VAC or 30VDC. It is typically used for electrical switching applications such as controlling motors, home appliances, lighting, computers, and factory automation. The relay is constructed from a plastic case and contact armature which meets the UL94V-0 flammability standard. It has plug-in and solderable terminals, allowing for easy installation and wiring. It comes with a coil polarity and screw termination for reliable electrical connections.