®
Bu s s m a n n
Cla s s R Fu s e b lo c k s
2 5 0 Vo lt s
R2 5 0 S e rie s
Ca ta log Sym bol: R250 Series
Am pe re Ra ting: ⁄Ω¡º-600 Amperes
Volta ge Ra ting: 250 Volts AC
Age nc y Approva l:
U.L. Listed, U.L. 512, Guide IZLT, File E14853
CSA Certified, C22.2 No. 39,
Class 6225-01, File 47235
Withs ta nd Ra ting: 200,000A RMS Sym.
For use with Class R fuses (LPN-RK and FRN-R)
Ma te ria ls : Thermoplastic
U.L. Fla m m a bility: 94 VO
Te m pe ra ture Ra ting (RTI): 130°C
Cla s s R Fus e bloc ks (2 5 0 V) Ca ta log Da ta (for LPN-RK, FRN-R, DLN-R a nd KTN-R Fus e s )
Terminal Type (Suffix No.)
Dimensions (Inches)
Screw w/
Box Lug w/
Clip
Basic
Catalog
Number
0.25Љ
Quick-
J Dia.
x
C’ Bore
Max.
Wire
Size
Pres.
Plate
Fig.
Amps
⁄Ω¡º
to
—
—
Cu Only Connect No.
A
B
C
D
E
F
G
H
K
1
2
3
1
2
3
1
2
3
R25030-1
R25030-2
R25030-3
R25060-1
R25060-2
R25060-3
R25100-1
R25100-2
R25100-3
SR
PR
PR
PR
CR
CR
CR
CR
CR
CR
CR
CR
CR
COR
COR
COR
COR
COR
COR
COR
COR
COR
QR*
QR*
QR*
—
1
2
3
4
5
6
7
8
9
S.P. #10 Cu
C #2 Cu-Al
SR
SR
(See Figures)
30
31
SR* PR
SR* PR
SR* PR
1.5
2.81
4.125
S.P. #10 Cu
C #2 Cu-Al
to
—
4.25
1.73
1.5
0.5
0.5
1.25 1.31 0.22 x 0.41 0.27
60
—
61
—
—
—
—
—
—
—
to
—
(See Figures)
#1/0 Cu-Al
100
101
to
—
1
3
R25200-1
R25200-3
—
—
—
—
CR
CR
COR
COR
—
—
10 7.125
11
3.15
3.0
2.06
0.5
2.0
3.0
3.0
0.75
1.0
—
0.31
250MCM
Cu-Al
(See Figure)
200
201
to
1
3
R25400-1
R25400-3
—
—
—
—
CR*
CR
COR*
COR*
—
—
10
12
9.06
9.06
4.0
4.0
3.0
4.0
3.02
2.5
0.91
0.82
1.75
500MCM
Cu-Al
—
—
0.56
0.56
9.25 10.88 1.0
400
401
to
1
3
R25600-1
R25600-3
—
—
—
—
CR
CR
—
—
—
—
10
12
11.0
11.0
4.97
4.97
3.0
5.0
4.0
3.0
1.125 1.75
4.0
1.0
2-500MCM
Cu-Al
1.87 11.0 14.74 1.0
600
*U.L. Recognized, No CSA Certification.
CE logo denotes compliance with European Union Low Voltage Directive (50-1000 Vac, 75-1500 Vdc). Refer
to BIF document #8002 or contact Bussmann Application Engineering at 314-527-1270 for more information.
Form No. R250 Series
Page 1 of 3
12-28-98
SB98107
Rev. A
BIF Doc #1110