9-18-02
SB02295
Class R Fuseblocks R250 Series
250 Volts
Form No. R250 Series
Page 1 of 3
Data Sheet: 1110
Bussmann
®
Catalog Symbol: R250 Series
Ampere Rating: ⁄Ω¡º-600A
Voltage Rating: 250V
Agency Information:
UL Listed, UL 512, Guide IZLT, File E14853
CSA Certified, C22.2 No. 39,
Class 6225-01, File 47235
Withstand Rating: 200,000A RMS Sym.
For use with Class R fuses (LPN-RK and FRN-R)
UL Flammability: 94VO
Materials: Thermoplastic
Class R Fuseblocks (250V) Catalog Data (for LPN-RK, FRN-R, DLN-R and KTN-R Fuses)
Terminal Type (Suffix No.) Dimensions (Inches)
Basic
Screw w/ Box Lug w/
0.259 J Dia.
Catalog Pres. Clip Quick- Fig. x Wire
Number — Plate — Cu Only Connect No. A B C D E F G H C’ Bore K Range
⁄Ω¡º 1 R25030-1 SR PR CR COR QR* 1 COR #6-14 CU ONLY
to 2 R25030-2 SR PR CR COR QR* 2 CR #2-14 CU, #2-12 AL
30 3 R25030-3 SR PR CR COR QR* 3 (See Figures) PR #10-18 CU ONLY
QR N/A
SR #10-18 CU ONLY
31 1 R25060-1 — — CR COR — 4 1.5
COR #2-14 CU ONLY
to 2 R25060-2 — — CR COR — 5 4.25 1.73 2.81 1.5 0.5 0.5 1.25 1.31 0.22 x 0.41 0.27
CR #2-14 CU, #2-8 AL
60 3 R25060-3 — — CR COR — 6 4.125
61 1 R25100-1 — — CR COR — 7
to 2 R25100-2 — — CR COR — 8 (See Figures)
COR 1/0-8 CU ONLY
100 3 R25100-3 — — CR COR — 9
CR 1/0-8 CU/AL
101
1 R25200-1 — — CR — 10 7.125 3.15 3.0 2.06 0.5 2.0 3.0 0.75 — 0.31
CR 250kcmil-6 CU/AL
to
200
3 R25200-3 — — CR — 11
(See Figure)
201
1 R25400-1 — — CR‡ COR‡ — 10 9.06 4.0 3.0 3.02 0.91 1.75 3.0 1.0
COR 500kcmil-4/0 CU ONLY
to — 0.56
400
3 R25400-3 — — CR† COR† — 12 9.06 4.0 4.0 2.5 0.82 9.25 10.88 1.0
CR 500kcmil-4 CU/AL
401
1 R25600-1 — — CR — — 10 11.0 4.97 3.0 4.0 1.125 1.75 4.0 1.0
to — 0.56 CR (2) 500kcmil-4/0 CU/AL
600
3 R25600-3 — — CR† — — 12 11.0 4.97 5.0 3.0 1.87 11.0 14.74 1.0
*U.L. Recognized, No CSA Certification.
†No UL, No CSA Certification.
‡UL Recognized, CSA Certification
Poles
Amps
CE logo denotes compliance with European Union Low Voltage Directive (50-1000Vac, 75-1500Vdc). Refer
to Data Sheet: 8002 or contact Bussmann Application Engineering at 314-527-1270 for more information.
Class R Fuseblocks R250 Series
250 Volts
Bussmann
®
Form No. R250 Series
Page 2 of 3
Data Sheet:1110
Dimensional Data
250V
⁄Ω¡ºA to 30A
FIGURE 1. FIGURE 2. FIGURE 3.
250V, 31A to 60A
FIGURE 4. FIGURE 5. FIGURE 6.
250V, 61A to 100A
FIGURE 7. FIGURE 8. FIGURE 9.
9-18-02
SB02295
3"
2.5"
2 SPACES AT
0.95" - 1.91"
3.03"
1.41"
0.22"
0.17"
1.27"
1.09"
0.75"
0.41"
2.05"
1.25"
0.95"
0.25"
B
K
A
2.06"
0.25"
0.5"
0.22" DIAMETER
C
F
J
1.81"
0.62"
0.59"
0.55"
C
E
H
F
3.38"
1.56"
0.62"
1.52"
0.55"
F
J
0.59"
0.62"
C
HE
H
J
G
D
4.94"
1.56"1.56"
7.36"
0.28" DIA. x
0.5" C'BORE
3.125"
2.38"
2.125"
Class R Fuseblocks R250 Series
250 Volts
Form No. R250 Series
Page 3 of 3
Data Sheet: 1110
Bussmann
®
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 contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
250V, 101A to 600A
250V, 201A to 600A
250V, 101A to 200A
B
H
K
E
F
0.75"
C'BORE
0.34
DIAMETER
G
C
D
A
FIGURE 10. FIGURE 11.
FIGURE 12.
C
.34" DIA.
HOLE
THROUGH
A
B
H
G
F
E
D
9-18-02
SB02295
3.4"
1"
4.5"
.5"
.34" DIA.
HOLE
THROUGH
EYELETS
TO ACCEPT
.25" DIA.
SCREW
8"
6"
5"
3"
2"
7.13"
3"
2.06"
9"
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