Mersen 400A German Standard Fuse, 31, 700V, 77mm

HBC FF (aR) type fuses featuring ultra-rapid operation for semiconductor protection

Breaking capacity 200kA
Voltage rating 690Vac
Striker for micro-contact actuation
Conforms to VDE636-23 and IEC269-4
'TTF' threaded fixing studs

In the table below I²t is the pre-arcing value; I²t Total is the clearing value at 690Vac