Upgrade your electrical system's safety with the Square D FH16020C I-Line Circuit Breaker. Designed with a sturdy ABS/plastic construction, this 20-ampere circuit breaker offers protection against overloads with its thermal overload protection feature. It's rated for use in a wide voltage range of 251-300 VAC, ensuring compatibility with various industrial applications. This black, single-pole, single-phase unit with a Type C tripping characteristic and on/off operation method is an ideal fit for both interior and exterior settings. The Square D brand is synonymous with quality, and this FA model, manufactured in Mexico, is no exception, providing reliable supplementary protection for your electrical circuits.