AMP-TRAP
®
–Form 101
A50P
SEMICONDUCTOR PROTECTION FUSES
A50P Amp-trap
®
Form 101 Semiconductor
Protection fuses were developed for DC drives,
uninterruptable power supplies and similar applica-
tions requiring better protection (lower l
2
t) and
superior reliability. The A50P is typically used for
replacement.
Features / Benefits
®
Low l
2
t
minimizes damage to protected components on
short circuit
®
Controlled arc voltage
reduces stress to circuit
components during fuse clearing
®
Choice of mounting types
helps in equipment design
Ratings
®
AC:
10-1200A
500VAC, 100kA I.R.
®
DC:
35-1000A
450VDC, 79kA I.R.
L/R = 10ms
Approvals
®
UL Recognized
Component
®
AC: UL Guide No.
JFHR2 (10-800A)
®
DC: UL Guide No.
JFHR2 (35-800A)
HIGHLIGHTS:
®
Very Fast Acting
®
Current Limiting
®
Low l t
®
Indicator Options
2
APPLICATIONS:
®
Protection of DC
* Contact technical services for applications data.
drives, UPS and other
equipment of 500
volts or less
Catalog Numbering System
A
Rated Volts - 500
Style
50
P
Amperes*
Mounting Types*
Ferrule
Blades, bolt-in
Integral Blown-Fuse
Indicator
Trigger Indicator
Trigger Actuator
* For ampere ratings and types
not listed, consult the factory.
100
1
4
A 50 P 100 - 4 TI
Amp-trap
®
Fuse
Available
Single Pole Fuse Blocks for A50P Fuses
FUSE
AMPERE
RATING
10-30
35-60
70-200
225-600
FUSE BLOCK
MOUNTING
CATALOG
TYPE
NUMBER
1
4
4
4
70316
P243G
P243E
P266C
TI
TA
D 16
AMP-TRAP
®
–Form 101
A50P
AMPERE
RATING
10
15
20
25
30
35
40
50
60
70
80
90
100
100
125
125
125
150
150
CATALOG
NUMBER
A50P10-1
A50P15-1
A50P20-1
A50P25-1
A50P30--1
A50P35-4
A50P40-4
A50P50-4
A50P60-4
A50P70-4
A50P80-4
A50P90-4
A50P100-4
A50P100-4TI
A50P125-4
A50P125-4TA
A50P125-4TI
A50P150-4
A50P150-4TI
OUTLINE
FIG.
1
1
1
1
1
2
2
2
2
3
3
3
3
3
3
4
3
3
3
AMPERE
RATING
175
175
200
200
200
225
250
250
250
275
300
300
300
325
350
350
400
400
400
SEMICONDUCTOR PROTECTION FUSES
CATALOG
NUMBER
A50P175-4
A50P175-4TI
A50P200-4
A50P200-4TA
A50P200-4TI
A50P225-4
A50P250-4
A50P250-4TA
A50P250-4TI
A50P275-4
A50P300-4
A50P300-4TA
A50P300-4TI
A50P325-4
A50P350-4
A50P350-4TI
A50P400-4
A50P400-4TA
A50P400-4TI
OUTLINE
FIG.
3
3
3
4
3
3
3
4
3
3
3
4
3
3
3
3
3
4
3
AMPERE
RATING
450
450
500
500
600
600
600
700
700
700
800
800
800
900
1000
1000
1200
1200
CATALOG
NUMBER
A50P450-4
A50P450-4TI
A50P500-4
A50P500-4TI
A50P600-4
A50P600-4TA
A50P600-4TI
A50P700-4
A50P700-4TA
A50P700-4TI
A50P800-4
A50P800-4TA
A50P800-4TI
A50P900-4
A50P1000-4
A50P1000-4TI
A50P1200-4
A50P1200-4TI
OUTLINE
FIG.
3
3
3
3
3
4
3
5
6
5
5
6
5
3
3
3
3
3
Standard Fuse Ampere Ratings, Catalog Numbers
D
For ampere ratings and styles not listed, call Technical Services.
Figure 1
Figure 3
Figure 4
Figure 2
Dimensions
OUTLINE
REF.
A50P10 to 30
A50P35 to 60
A50P35 to 60
A50P70 to 100
A50P125 to 200
A50P225 to 400
A50P450 to 600
A50P700 to 800
A50P900 to 1200
MOUNTING
TYPE
1
1DS*
4
4
4, 4TA**
4, 4TA**
4, 4TA**
4, 4TA**
4
FIG.
A
1
1
2
3
3, 4**
3, 4**
3, 4**
5, 6**
3
2.00
(50.8)
2.25
(57.2)
3.19
(81.0)
3.63
(92.2)
3.63
(92.2)
4.34
(110)
4.47
(114)
6.47
(164)
6.97
(177)
B
0.56
(14.2)
0.81
(20.6)
0.81
(20.6)
1.00
(25.4)
1.22
(31.0)
1.50
(38.1)
2.00
(50.8)
2.50
(63.5)
3.00
(76.2)
Figure 5
DIMENSIONS - INCHES (mm)
C
D
E
F
-
-
-
-
1.63
(41.4)
2.13
(54.1)
2.13
(54.1)
2.09
(53.1)
2.22
(56.4)
2.22
(56.4)
3.22
(81.8)
-
-
-
-
2.50
(63.5)
2.94
(74.7)
2.94
(74.7)
3.41
(86.6)
3.53
(89.7)
4.63
(118)
4.97
(126)
-
-
-
-
2.25
(57.2)
2.81
(71.4)
2.81
(71.4)
2.78
(70.6)
2.91
(73.9)
4.31
(109)
***
***
-
-
-
-
0.34
8.6)
0.31
(7.9)
0.31
(7.9)
0.41
(10.4)
0.41
(10.4)
0.53
(13.5)
0.63
(16.0)
Figure 6
G
-
-
-
-
0.72
(18.3)
0.75
(19.1)
1.00
(25.4)
1.00
(25.4)
1.50
(38.1)
2.00
(50.8)
2.38
(60.5)
H
-
-
-
-
0.13
(3.3)
0.13
(3.3)
0.19
(4.8)
0.25
(6.4)
0.25
(6.4)
0.38
(9.7)
0.44
(11.1)
* Use with 60306J fuse block.
** Optional Trigger Actuator (TA)
*** Mounting hole is round, diameter F.
D 17
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