Semiconductor (A) fuses
Semiconductor (AC) fuses
American Round Fuses
Form 101 Range
A120X
Semiconductor Protection Fuses
A120X Amp-trap
®
Form 101 Semiconductor Protection fuses,
rated 1/2A through 30A, 1200VAC are popular for use in
traction drive auxiliary circuits and similar applications.
A120X fuses are also suitable for use on 1000VDC
auxiliary circuits with low time constants.
Features/Benefits
• 1000 Volt DC rated for wide range of circuits
• Compact size fits in where competitive
sizes will not fit
Ratings
• AC: 1/2-30A
1200VAC, 100kA I.R.
• DC: 1/2-30A
1000VDC, 100kA I.R.
L/R = 10ms
Approvals
• Ferraz Shawmut
Certified
Highlights
•
•
•
•
Fast Acting
Current Limiting
Low l
2
t
Compact Size
Applications
• Protection of traction
drive auxiliary
circuits, etc.
Dimensions - In (mm)
Catalog Numbering System
A 120 X
Amp-trap
®
Fuse
Rated Volts - 1200
Style
(Fast acting, low I
2
t)
Amperes*
Common
Mounting Types*
Ferrule
A
120
X
25
25 - 1
Single Pole Fuse Blocks
for A120X Fuses
Fuse
Ampere
Rating
Fuse block
Catalog
Number
Reference
Number
1
1/2-30
P292
T216976
* For ampere ratings and types not listed, ask sales agent.
Standard Fuse Ampere Ratings, Catalog and Reference Numbers
Ampere
Rating
Catalog
Number
Reference
Number
Ampere
Rating
Catalog
Number
Reference
Number
1/2
1
2
3
4
5
A120X1/2-1
A120X1-1
A120X2-1
A120X3-1
A120X4-1
A120X5-1
T218954
C218433
E223196
P211268
Z212818
J214851
6
10
15
20
25
30
A120X6-1
A120X10-1
A120X15-1
A120X20-1
A120X25-1
A120X30-1
W216380
K219475
R222678
M200985
E202864
Z211783
SCAC
36
12/04
Semiconductor (A) fuses
Semiconductor (AC) fuses
American Round Fuses
Form 101 Range
A120X
Semiconductor Protection Fuses
A120X1/2 to 30
Melting Time – Current Data, 1200V Fuses
TIME IN SECONDS
Peak Let-Thru Current Data – A120X2 to 30, 1200 Volts AC
I
2
t at 1200VAC,
100kA
MAXIMUM INSTANTANEOUS PEAK LET-THRU AMPERES
Fuse
Ampere
Rating
I
2
t data
Melting
Clearing
2
(A s)
(A
2
s)
1/2
1
2
3
4
5
6
10
15
20
25
30
.10
.40
4.3
8.9
10
18
29
500
1100
2000
3100
4400
CURRENT IN AMPERES
1.9
7.5
30
69
120
190
280
970
2100
3700
5700
8300
AVAILABLE CURRENT IN RMS SYMMETRICAL AMPERES
12/04
SCAC
37