HRCII CURRENT LIMITING FUSES
Motor Starting
Edison
HRCII Fuse
Amp Rating
H07C
2
4
6
10
15
20
25
30
K07C
40
50
60
L14C/LO9C
K07CR
80
100
M09C/M14C
125
150
200
P11C/P09C
150
300
350
400
R11C
450
500
600
Maximum Full Load Current of Motor
Full Voltage Starting
Reduced Voltage
Normal Duty
Heavy Duty
Starting
.58
1.3
1.9
4.0
7.2
9.2
13.0
17.0
20.0
28.0
37.0
.5
1.1
1.6
3.3
5.9
7.3
9.9
13.0
16.0
21.0
29.0
1.0
2.1
3.1
6.3
11.0
14.0
19.0
25.0
31.0
40.0
54.0
Time/Current-Curves
1,000
AMPERE
RATING
60
100
200
400
600
30
100
TIME IN SECONDS
10
53.0
67.0
85.0
108.0
142.0
177.0
225.0
255.0
300.0
383.0
417.0
550.0
41.0
51.0
67.0
86.0
109.0
140.0
176.0
199.0
236.0
300.0
321.0
429.0
77.0
97.0
125.0
150.0
200.0
250.0
300.0
350.0
400.0
450.0
500.0
600.0
1
.1
.01
100,000
1,000
10,000
10
100
CURRENT IN AMPERES
Energy Let-Through Curves
Peak Let-Through Curves
100
600
400
200
100
60
30
AMPERE
RATING
Total I
2
t at 600V
Total I
2
t at 460V
1,000,000
Pre-Arcing I
2
t
PEAK CURRENT (KA)
AMPERE
2
SECONDS (I
2
t)
10
100,000
1
10,000
.1
1,000
.01
.1
1
10
100
30
60
100
200
400
PROSPECTIVE CURRENT (SYM. RMS KA)
FUSE RATING (AMPERES)
600
100
103
COOPER [ COOPER BUSSMANN, INC. ]
