BONFIGLIOLI Vectron ACTIVE CUBE Série Guide Rapide page 92

or R/C (JFHR2) Semiconductor Fuse, Type FWH-xxxA, manufactured by Cooper
Bussmann LLC.
For Size 8 -51, -53, -55
Suitable For Use On A Circuit Capable Of Delivering Not More Than 18 kA rms
Symmetrical Amperes, 480 V AC Maximum when protected by Semiconductor
GB
fuses Types 170M5* made by Cooper Bussmann LLC.
For Size 8 -57, -59, -61
Suitable For Use On A Circuit Capable Of Delivering Not More Than 30 kA rms
Symmetrical Amperes, 480 V AC Maximum when protected by Semiconductor
fuses Types 170M5* made by Cooper Bussmann LLC.
90 Quick Start Guide ACU 10/18