KEB COMBIVERT H6-AIC Betriebsanleitung Seite 56

Anhang B
• "Integral solid state short circuit protection does not provide branch circuit protection.
Branch circuit protection must be provided in accordance with the manufacturer instruc-
tions, National Electrical Code and any additional local codes, or the equivalent."
• Short Circuit rating and Branch Circuit Protection when used with F5-series drive:
Following marking shall be provided:
All Models:
„Suitable for use on A circuit capable Of delivering not More than 100 kA rms
symmetrical amperes, 480 volts maximum when protected by class J fuses, rated
300 am peres as specified in table below":
Table I Branch Circuit Protection for KEB Converter / converter R6–R housing:
a)
300 A, 100 KA SCCR
Main line AC:
Converter
25R6
D - 56
UL 248 Fuses; Class J as specified below:
Input
Voltage
[ V ]
480 / 3ph
UL 248 Fuse Manufacturer
type J
max [ A ]
300 A Ferraz Sha-
wmut, 300 A ,
and rating
HSJ300,
High Speed
600 v AC
UL listed Fuse
NDB6-26
Part #