Miniature Type Circuit Breaker has overload and short circuit protection and is made using arc resistant material that ensures high breaking capacity and long electrical life. The Breaker has safe wiring structure against electrical shock and has module structure for free combination. The Breaker has contact on/ off indication and rated voltage of AC 230/ 400 V. The Breaker has rated current from 1 A to 63 A and breaking capacity of 6 kA. The Breaker has poles ranging from 1P to 4 P. The Miniature Type Circuit Breaker has mechanical life of 20,000 cycles and electrical life of 10,000 cycles.