1.MCB Mini Circuit Breaker 2. No. of pole:1,2,3,4 3. With B,C,D Characteristics, ... short circuit breaking capacity: Max 48V(FDM7-100000A)single-pole Max 250V(FDM7-DC,6000A)single-pole 2.5.Characteristic curve: B,C,D ... temperature: -5~+40OC 2.9.Enclosed protective class: IP40 (under mounting) 2.10.Electrical Life: ≥ 8000 times make-break operation 2 ...