Bussmann
®
HRC FORM II Current Limiting Fuses
Ceramic Body
Energy Let-Through Curves
Time/Current-Curves
1,000
Total I
2
t at 600V
Total I
2
t at 460V
1,000,000
Pre-Arcing I
2
t
100
AMPERE
2
SECONDS (I
2
t)
HRC FORM II
AMPERE
RATING
60
100
200
400
100,000
TIME IN SECONDS
10
10,000
1
1,000
.1
100
100
200
400
FUSE RATING (AMPERES)
600
30
60
.01
100,000
10,000
1,000
CURRENT IN AMPERES
600
400
200
100
60
30
AMPERE
RATING
100
10
Peak Let-Through Curves
100
10
PEAK CURRENT (KA)
1
.1
.01
PROSPECTIVE CURRENT (SYM. RMS KA)
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to
clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any
products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been select-
ed, it should be tested by the user in all possible applications.
100
.1
10
1
600
30
12-21-98
SB98107
Rev. A
Form No. HCR FORM II
Page 3 of 3
BIF Doc #4131
COOPER [ COOPER BUSSMANN, INC. ]
