a dc switchgear provided with a commutation - type dc circuit breaker having a main circuit provided with a main switch for interconnecting a dc power supply and a load and for enabling and disabling a main circuit current flow , and a commutating circuit provided with a commutating capacitor and a commutating switch , which is connected electrically parallel to the main switch , comprising : a dc circuit breaker accommodating box includes , as a standard arrangement , the main circuit provided with the main switch , and the commutation - type dc circuit breaker having the commutating circuit provided with the commutating capacitor and the commutating switch , which are connected electrically parallel to the main switch ; a front accommodating box disposed on the front of the dc circuit breaker accommodating box , which accommodates devices having functions for controlling the switchgear and indicating a status of the switchgear including a failure status thereof ; and a rear accommodating box disposed on the back of the dc circuit breaker accommodating box , which accommodates a device for monitoring a status of the main circuit and protecting the main circuit ; wherein the front accommodating box and the rear accommodating box are connected to the dc circuit breaker accommodating box to form an integrated dc switchgear .