Mikro's combined overcurrent and earth fault protection delivers comprehensive protection schemes for medium and low voltage applications. These cost-effective protective devices include three phase IDMT elements and definite time elements for overcurrent and earth fault protection. The higher end model, MK2200 and MK2200L also includes essential features such as Modbus RTU communication; control features such as cold load pickup blocking, breaker failure, and digital input. Mikro's COCEF also offers enhanced diagnostic features such as fault data recording.