Carling Technologies A-Series Circuit Breakers Carling Technologies A-Series Circuit Breakers are hydraulic/magnetic circuit breakers designed for precision performance in general purpose applications, as well as in extreme temperatures. These circuit breakers from Carling Technologies are available with handle actuators for 1 - 6 poles, and with rocker actuators for 1 - 3 poles. Current ratings offered range from 0.02 to 50 amps, with voltage ratings up to 277VAC or 80VDC. The A-Series Circuit Breakers are offered with a choice of time delays, terminals, and actuator styles, These COTS (Commercial Off-The-Shelf) circuit breakers are designed and tested to withstand demanding military environmental requirements, and are suitable for many telecommunications and marine applications. Learn more