Bussmann®
Modular Fuseblocks
1BS102
0-600V, 400 Amps
CATALOG SYMBOL: 1BS102
VOLTAGE RATING: 600V
CURRENT RATING: 400A
BASE: Molded black phenolic, 150°C
MOUNTING STUDS:
Zinc-plated steel
⁄Ω¢∑ - 20 ≈ ⁄Ω™∑ hex head bolt
NUT: Zinc-plated steel
WASHER: Zinc-plated steel
⁄Ω¢∑ Belleville washer
CONNECTOR: Tin-plated aluminum
WIRE RANGE: Single #6AWG through two 250MCM
WIRE TYPES: Copper or aluminum
Stranded or solid
AGENCY APPROVALS:
UL Recognized, Guide No. IZLT2, File No. E14853
CSA Certified, Class Pending
WITHSTAND RATING:
200,000A RMS. SYM. or the interrupting rating of the fuse
used, whichever is smaller.
TORQUE REQUIREMENTS:
Conductor Set Screw: 275 lbs-in
Fuse Mounting Bolt: 120 lbs-in
Mounting Dimensions mm (inches)
Catalog No.
FWA 70A-100A
FWH 125B-200B
FWX 125A-200A
KBC 110-200
70-100CJ
125-200M09C
250-400P09C*
JJS 110-200
“A”
50.3
70.4
61.2
94.0
92.2
111.3
111.3
63.5
“B”
(`1.98)
(2.77)
(2.41)
(3.70)
(3.63)
(4.38)
(4.38)
(2.50)
8.9
29.0
19.8
52.6
50.8
69.9
69.9
22.1
“C”
(0.35)
(1.14)
(0.78)
(2.07)
(2.00)
(2.75)
(2.75)
(0.87)
167.9
188.0
178.8
211.6
209.8
228.9
228.9
181.1
(6.61)
(7.40)
(7.04)
(8.33)
(8.26)
(9.01)
(9.01)
(7.13)
*When used in multiple pole configurations, 19.05 (.750) should be maintained between
adjacent moldings when mounting the fuses indicated.
14.0 CLEARANCE FOR
(.55) SCREW HEAD
32.3
(1.27)
CL
57.2
(2.25)
6.9 9.9
X
MOUNTING HOLE SLOT FOR 1/4" SCREW
(.27) (.39)
15.0
(.59)
41.4
(1.63)
'A'
REF.
7.9
(.31)
250 MCM-6 CU-AL
64.3
(2.53)
48.3
(1.90)
42.4
(1.67)
35.6
(1.40)
20.8
(.82)
79.50
(3.130)
12.7
(.50)
'B'
REF.
79.50
(3.130)
'C'
REF.
79.50
(3.130)
8.4
(.33)
6.4
(.25)
6.76
DIA.
(.266)
79.50
(3.130)
32.23
(1.269)
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.
MOUNTING HOLE ARRANGEMENT
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 selected, it should be tested by the user in all possible applications.
12-16-98
SB98107 Rev. A
Form No. 1BS102
Page 1 of 1
BIF DOC #1207