®
Bu s s m a n n
LOW-P EAK®
Du a l-Ele m e n t , Tim e -De la y Fu s e s
Cla s s RK1 –– 6 0 0 Va c /3 0 0 Vd c
LP S -RK
7 0 -6 0 0 A
Curre nt-Lim ita tion Curve s
B
400,000
100,000
600A
400A
200A
100A
10,000
A
1,000
RMS SYMMETRICAL CURRENTS IN AMPERES
A-B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS)
Curre nt-Lim iting Effe c ts
Prosp.
S.C.C.
Let-Through Current (Apparent RMS
Symmetrical) Versus Fuse Rating
100A
2,200
2,700
3,050
3,300
3,500
3,700
3,900
4,050
4,300
4,550
4,950
5,250
5,900
6,450
6,850
7,250
200A
3,250
4,100
4,650
5,100
5,500
5,800
6,100
6,400
6,850
7,250
7,950
8,550
9,750
10,700
11,500
12,200
400A
5,000
7,150
7,950
8,650
600A
5,000
9,600
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
250,000
300,000
10,650
11,500
12,200
12,750
13,300
13,750
14,600
15,300
16,450
17,450
19,400
20,900
22,100
23,200
9,200
9,650
10,100
10,450
11,100
11,700
12,650
13,450
15,050
16,300
17,350
18,250
*Values derived from curve data.
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this 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 con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Form No. LPS-RK 70-600
Page 3 of 3
10-2-02
Data Sheet: 1002
SB02295
COOPER [ COOPER BUSSMANN, INC. ]
