Eaton Industrial Switchgear - General Information

30 / 51

Switchgear for North America
Selection and usage of fuses
2010 CA08103002Z-EN
22/17
Type1) construction1)
in Tripping
charac-
teristic1)
Switching
capacity Applications1) For use in
USA Canada kArms
H – Fast 10 Primarily domestic USA,
Canada
Types H, K and No. 59 “Code” fit the
same bases and are therefore inter-
changeable. In the USA, the K types
are therefore being increasingly
replaced by the RK types.
Rated operational current: 1 … 600 A
No. 59
“Code”
Fast 10 Primarily domestic Canada, USA
K
P K1/K5 – Fast 100 – 200 Protection of circuits for heating, lighting and
feeders and outgoers for mixed loads.
USA
– Time-lag 100 – 200 Protection of circuits for motors, transformers,
heating and lighting.
USA
J – Fast 200 See item 2 above. USA, Canada Compact design. Types J and HRCI-Jfit the same bases, all other types
numbers do not fit into these bases.
Rated operational current: 1 … 600 A – Time-lag 200 See item 3 above. USA, Canada
HRCI-J Fast 200 See item 2 above. USA, Canada
Time-lag 200 See item 3 above. USA, Canada
RK RK1/RK5 – Fast 100 – 200 See item 2 above. USA, Canada Types RK1, RK5 and HRCI-R fit thesame bases, all other types numbers
do not fit into these bases.
Rated operational current: 1 … 600 A – Time-lag 100 – 200 See item 3 above. USA, Canada
HRCI-R Fast 100 – 200 See item 2 above. Canada, USA
Time-lag 100 – 200 See item 3 above. Canada, USA
HRCII-R Time-lag –
Fast
100 – 200 5. Protection of motor circuits Canada All other fuse types do not fit into
bases for HRCII-R.
CC(CD) – Fast 200 See item 2 above. USA, Canada Very compact design;all other fuse types do not fit into
these bases.
Rated operational current:
CC 1 … 30 ACD 31 … 60 A
Time-lag 200 See item 3 above. USA, Canada
L – Fast 200 See item 2 above. USA, Canada “Code” fuses for higher ratingsRated operational current:
601 … 6000 A Time-lag 200 See item 3 above. USA, Canada
Notes 1) The trip types data and the assigned field of applications are a rough overview only.
In practice, it is always advisable to find out both this information and the required fuse
type from the North American end customer.