Mitsubishi Electric CBV2-A01D1 Instruction Manual page 21

built-in power fuse burns. Therefore, connect the timer to the external wiring. (See Fig. 5.6 "DC
circuit connection diagram")
g. Earth circuit
Be sure to earth the earth terminal located on the back of the relay according to the Class D earth
wiring method.
21 PCKN-OIL738