Fast-Acting Aircraft Limiter
ACH Series
Dimensions - in (mm)
A
D
BUSS
ACH
30
C
B
Catalog Symbol: ACH
Fast-Acting
Ratings:
Amps: 1 to 60A
Volts: 208Vac
125Vdc
Interrupting Ratings: 6000A @ 120Vac
4200A @ 208Vac
6000A @ 125Vac
At sea level to 6000 ft.
Test specification - carry 200% rated current for 5 minutes, open at
240% within 5 minutes.
Symbol
Amps
ACH
2, 3, 5, 10, 15,
20, 25 or 30
ACH
35, 40, 50 or 60
A
B
C
D
1.97
0.06
0.48
1.33
(50.0mm) (1.59mm) (12.3mm) (33.8mm)
2.22
0.09
0.55
1.45
(56.39mm) (2.27mm) (13.97mm)(36.83mm)
0.98"
.425"
(25.0mm)
(10.8mm)
0.19"
(4.76mm)
Cooper Bussmann Aircraft Fuses
Mechanical Indicating - Limiter type
• ACH limiters are designed to meet the very rigorous requirements of high
speed, high performance aircraft.
• Isolate faults or grounds in aircraft electric systems of 120/208 volts 400
cycles AC or 125 volts DC.
• ACH limiters give visual indication when open by a spring-activated pin that
extends from the limiter body.
• Blade terminals on ACH limiters are silver-plated.
• Limiters are made with a silicone body that assures reliable performance
under severe conditions.
1108
BU-SB08803
Form No. ACH
Page 1 of 2
Data Sheet 1041
Time-Current Characteristic Curves–Average Melt
10
20
30
40
50
60
AMP
RATING
100
Fuse Blocks
• All metal part
s silver-plated
• Clips are beryllium copper
TIME IN SECONDS
10
• The blocks have
molded melamine base
Catalog
Number
1 to 30 Amp
SFB1030-01
SFB1030-02
SFB1030-03
35 to 60 Amp
SFB1060-01
SFB1060-02
SFB1060-03
Base
Dimensions
0.688” x 3.125”
1.188” x 3.125”
1.625” x 3.125”
0.844” x 3.375”
1.594” x 3.375”
2.25” x 3.375”
Poles
1
2
3
1
2
3
1
.1
CURRENT IN AMPS
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.
© 2008 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
1108
BU-SBXXXXX
Form No. ACH
Page 1 of 2
Data Sheet 1041
1,000
2,000
10
4
100
.01
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