Westinghouse Electric EHB1020 Circuit Breaker

The Westinghouse EHB1020 is a 20 Amp single-pole circuit breaker rated for 277 VAC and 125 VDC, built to provide reliable overcurrent protection in demanding commercial and industrial electrical systems. Designed for branch circuit protection, it is commonly installed in commercial lighting panels, industrial control equipment, switchboards, and facility electrical infrastructure where continuous equipment protection is essential. This Type EHB breaker offers one pole, with manual reset and switching capability, and is built for heavy-duty industrial construction to withstand the demands of lighting control systems, automation panels, machinery electrical cabinets, and branch distribution networks. The part number is EHB1020, with 277VAC and 125VDC ratings, and it provides overload and short-circuit protection for AC and DC voltage applications. Common replacements include HEB1B020 and EJB14020, showing compatibility with standard industrial distribution gear. Applications span lighting panels, distribution equipment, and control systems in commercial facilities, making it a suitable choice for OEMs and facility engineers performing panel maintenance, retrofits, or replacement of obsolete protection breakers.