Issue:
Product Design Features
Product Line:
QMB Branch Switches
Resolution:
These QMB switches will accept class H or K fuses as standard and class R fuses with the field installable class R fuse kit, QMB100R. With class H or K fuses installed, the switches are UL listed for use on systems with up to 10,000 RMS symmetrical amperes available fault current. With class R fuses and class R fuse kit installed, the switches are UL listed for use on systems with up to 200,000 RMS symmetrical amperes available fault current.
NOTE: DO NOT USE RENEWABLE LINK FUSES IN SQUARE D SAFETY SWITCHES. The use of renewable link fuses may adversely affect user safety, impair reliability, and will void the warranty.
Product Design Features
Product Line:
QMB Branch Switches
Resolution:
These QMB switches will accept class H or K fuses as standard and class R fuses with the field installable class R fuse kit, QMB100R. With class H or K fuses installed, the switches are UL listed for use on systems with up to 10,000 RMS symmetrical amperes available fault current. With class R fuses and class R fuse kit installed, the switches are UL listed for use on systems with up to 200,000 RMS symmetrical amperes available fault current.
NOTE: DO NOT USE RENEWABLE LINK FUSES IN SQUARE D SAFETY SWITCHES. The use of renewable link fuses may adversely affect user safety, impair reliability, and will void the warranty.
Released for:Schneider Electric USA
