Hawkeye 300 on/off current switches provide a cost-effective solution for monitoring status on unit vents, exhaust fans, recirculation pumps and other fixed loads where belt loss is not a concern. Veris has applied new technology to the H300 model to achieve impressive improvement in turn-on levels. The Hawkeye H300 have the lowest turn-on current in the industry at a mere 0. 15 Amp.