Schneider Electric's Square D Q1B1-100H is a bolt-on, single-pole circuit breaker rated for 100 amps. The part number is listed as Q1B1-100H, with an alternate designation Q1B1100H in some references, and it is designed for use in compatible Square D bolt-on panel interiors where bolt-on breakers are specified. This 1-pole device provides branch-circuit overcurrent protection in electrical distributions; verify enclosure compatibility and follow the panel's installation instructions to ensure proper fit and safe operation.
