Combined Overcurrent and Earth Fault Protection Relays

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 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.
Key Benefits

Programmable relay outputs provide a high degree of flexibility
Definite time for low-set and high-set
Digital display for ease of use
Robust casing protects the unit from external interference
Complies with IEC 60255-26 standards

Applications

Feeder incoming protection
Outgoing protection
Busbar protection