Hitachi GR2000 Series Installation Manual page 306

The branch circuit to be installed on the customer's power distribution panel must
be a circuit breaker (CB) in compliance with the requirements in Table 5-5. In
addition, follow the guidelines below.
Do not connect other electrical devices to this branch circuit.
Total load of the branch circuit must be under 80–90 percent of the rating.
Prepare a backup circuit to the power distribution panel based on possible device
additions in future.
Locate the device as close as possible to the power distribution panel for ease of
maintenance.
Table 5-5 Requirements for Circuit Breaker on Power Distribution Panel
Router Model
CB Type Phase
GR2000-2S 15AT
15AT
GR2000-4S 15AT
15AT
AC Input
Rating
Single 100 V ac, 15A
Single 200 V ac, 15A
Single 100V ac, 15A
Single 200V ac, 15A
DC Input
CB Type Phase Rating