Westinghouse GHB1020 is a 1-pole molded case circuit breaker, part number GHB1020, rated at 20 A in the GHB series, providing thermal-magnetic overcurrent protection for single-phase circuits. It is designed for use in panelboards, switchgear, load centers, and industrial control equipment, delivering dependable branch circuit protection in electrical distribution systems across residential, commercial, and light-industrial environments operating at 50/60 Hz. Common replacements include Siemens BQ1B020 and Square D QOB120, indicating cross-reference options commonly used in retrofit and maintenance projects.
