This model selection manual is to introduce how to do molded case circuit breaker selection, and it includes: 1.0 Overview (application, features) 2.0 Environment condition applicable 3.0 Type meaning 4.0 Classification 5.0 Quick selecting table 6.0 Release types and accessories code 7.0 Specification of four-pole breakers 8.0 Technical data tables 8.1 Table of SCM1-63 8.2 Table of SCM1-100 8.3 Table of SCM1-160 8.4 Table of SCM1-225 8.5 Table of SCM1-250 8.6 Table of SCM1-400 8.7 Table of SCM1-630 8.8 Table of SCM1-800 9.0 Notes for ordering 10.0 Warranty policy 11.0 Declaration For more useful manuals, please visit www.miniature-circuit-breaker.com!