Specifications

2.3
Installation precautions
2
-19
 Recommended surge absorbers
If the surge absorber failed and got shorted due to repeated lightning or switching surge, the wiring and
devices could burn. To prevent this, 5-A fuses or other circuit protectors must be provided in the pro-
tected line.
Application Designation Make
Normal-type surge absorber
between phases
RAV-781BYZ-2 Okatani Electric
Common-type surge absorber
between phases and ground
RAV-781BXZ-4 Okatani Electric
IMPORTANT