Altronix Class 2, open frame transformers provide power to electronic equipment including security, surveillance, access control devices in ignition, ventilation, heating, air conditioning & HVAC control systems. They operate on temperatures ranging from 0 degree to 49 degrees Celsius and come with open enclosures for inherent explosion safety & are insusceptible to overvoltages. Further, these single phase transformers require less space to install and are available in 16VAC, 24VAC & 28VAC output voltages.