®
Bus s m a nn
1BS101
Modula r Fus e bloc ks
0 -6 0 0 V, 1 0 0 Am ps
Mounting Dimensions mm (inches)
Catalog No.
FWA 70A-100A
FWH 35B-60B
FWH 70B-100B
FWX 35A-60A
FWX 70A-100A
KAC 1-30
“A”
“B”
“C”
49.3
58.9
72.4
59.4
59.7
63.5
88.9
105.7
88.9
93.0
95.5
59.9
96.3
89.9
112.0
(1.94)
(2.32)
(2.85)
(2.34)
(2.35)
(2.50)
(3.50)
(4.16)
(3.50)
(3.66)
(3.76)
(2.36)
(3.79)
(3.54)
(4.41)
16.0
25.6
39.1
26.1
26.4
30.2
55.6
72.3
55.6
59.6
62.2
26.6
62.9
56.6
78.7
(0.63)
(1.01)
(1.54)
(1.03)
(1.04)
(1.19)
(2.19)
(2.85)
(2.19)
(2.35)
(2.45)
(1.05)
(2.48)
(2.23)
(3.10)
95.4
104.9
118.3
105.4
105.6
109.4
134.8
151.6
134.8
138.9
141.4
105.9
142.2
135.8
157.9
(3.75)
(4.13)
(4.66)
(4.15)
(4.16)
(4.31)
(5.31)
(5.97)
(5.31)
(5.47)
(5.57)
(4.17)
(5.60)
(5.35)
(6.22)
KAC 35-60
KAC 70-100
KBC 35-60
KBC 70-100
LPJ 70SP-100SP
JJS 70-100
JKS 70-100
80-100L14C
80-100L09C
Catalog Symbol: 1BS101
Voltage Rating: 600V
Current Rating: 100A
Dim e ns ions
Base: Molded black phenolic, 150°C
Mounting Studs:
Zinc-plated steel
C
L
⁄Ω¢∑ - 20 ≈ ⁄Ω™∑ hex head bolt
Nut: Zinc-plated steel
44.7
(1.76)
BLOCK NO. 1BS101
Washer: Zinc-plated steel
This block is furnished with an interlocking
dovetail feature as shown. When mounting
multiple fuseblocks side by side, center-to-
center distance between mounting holes
each pole is 44.58 (1.755).
C
L
⁄Ω¢∑ Belleville washer
Connector: Tin-plated aluminum
Wire Range: Single #2/0 through single #14AWG
Wire Types: Copper or aluminum
Stranded or solid
Maximum fuse blade width is 25.40 (1.000).
11.4
(.45)
CLEARANCE FOR SCREW HEAD
7.7
5.1
(.20) (.30)
INTERLOCKING
DOVETAIL TAB
X
MOUNTING HOLE SLOT FOR #10 SCREW
11.2
(.44)
'A'
REF.
Withstand Rating:
22.4
(.88)
16.8
(.66)
10.4
(.41)
200,000A RMS. SYM. or the interrupting rating of the fuse
used, whichever is smaller.
Dovetail Interlock:
50.8
(2.00)
34.8
(1.37)
26.7
(1.05)
Dovetail interlock feature on each side of the base allows
mounting multiple poles adjacent to one another.
Torque Requirements:
10.4
(.41)
7.1
3.3
(.13)
5.1
(.20)
MOUNTING
SURFACE
9.4
(.37)
(.28)
6.4
(.25)
44.5
(1.75)
39.62
39.62
(1.560)
'B'
REF.
ANTI-ROTATION PIN
(1.560)
Conductor Set Screw: 120 lbs-in
Fuse Mounting Bolt: 70 lbs-in
Agency Approvals:
7.6
(.30)
'C'
REF.
MOUNTING HOLE ARRANGEMENT
DIA.
39.62
(1.560)
39.62
(1.560)
9.53
(.375)
5.16
(.203)
U.L. Recognized, Guide No. IZLT2, File No. E14853
CSA Certified, Class 6225-01, File 47235
DIA.
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.
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 bul-
letin 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.
Form No. 1BS101
12-16-98
Page 1 of 1
BIF Doc #1206
SB98107 Rev. A