1. The document compares previous and new models of molded-case circuit breakers and earth-leakage circuit breakers.
2. It outlines differences in dimensions, performance, and specifications between previous W & WS series models and new WS-V series models. Key changes include changes in tripping methods, operating characteristics, dimensions, rated currents, and breaking capacities.
3. Replacement models are identified for previous models, along with any drilling dimension or front plate cutout changes between models. Some models were added or had specifications adjusted.