The lightweight and compact design of the NTX series was developed for small to mid-sized recreational and commercial vehicles. With its unique Hypersurge™ technology, the NTX Series is a great choice for powering a fridge, microwave, or power tools in Class B RVs (camper vans), travel trailers, work vans and long-haul commercial trucks. It features a single, load-controlled variable speed fan for quiest operation and is ETL safety certified to meet strict UL and CSA safety standards for operation in the USA and Canada. NTX-3000-12 features an innovative 30Amp NEMA L5-30R twist lock outlet and mating plug for full power utilization and built-in GFCI protection without hardwiring.