A50P
Semiconductor Protection Fuses
A50P Amp-Trap
®
Form 101 Semiconductor Protection fuses were developed
for DC drives, uninterruptable power supplies and similar applications requiring
better protection (lower I
2
t) and superior reliability. The A50P is typically used for
replacement.
Features/Benefits:
•
Low I
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
Highlights:
•
Very fast acting
•
Current limiting
•
Low I
2
t
•
Indicator options available
Applications:
•
Protection of DC drives, UPS and
other equipment of 500 volts
or less
Ratings:
Volts
P
100 - 4
TI
Catalog Numbering System
A
50
: 500VAC
: 450VDC
: 10 to 1200A (AC)
: 35 to 1000A (DC)
: 100kA I.R. AC
: 79kA I.R. DC
: 10ms
Amps
I.R.
L/R
Amp-Trap
®
Fuse
Rated Volts - 500
Style
Amperes*
Mounting Types*
Ferrule
Blades, bolt-in
Integral Blown-Fuse
Indicator
A
50
P
100
1
4
TI
TA
* Contact technical services
for applications data.
Approvals:
•
UL Recognized Component
UL File 60314
•
AC: UL Guide No. JFHR2
(10-800A)
•
DC: UL Guide No.JFHR2
(35-800A)
Trigger Indicator (see pg. J5)
Trigger Actuator (see pg. J5)
* For ampere ratings and styles not listed, call Technical Services at
978-465-4853.
Single Pole Fuse Blocks for A50P Fuses
Fuse Ampere
Rating
10-30
35-60
70-200
225-600
700-800
900-1000
Mounting
Type
1
4
4
4
4
4
Fuse Block
Catalog No.
70316
P243G
P243E
P266C
1SC375
FH50F5*
*(not UL)
D8
A50P
Semiconductor Protection Fuses
Catalog Numbers (amps)
Catalog No.
Dimen. Fig.
Catalog No.
Dimen. Fig.
Catalog No.
Dimen. Fig.
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
1
1
1
1
1
2
2
2
2
3
3
3
3
3
3
4
3
3
3
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
3
3
3
4
3
3
3
4
3
3
3
4
3
3
3
3
3
4
3
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
3
3
3
3
3
4
3
5
6
5
5
6
5
3
3
3
3
3
* For ampere ratings and styles not listed, call Technical Services at 978-465-4853.
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.
1
1
2
3
3, 4**
3, 4**
3, 4**
5, 6**
3
Dimensions - Inches (mm)
A
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)
C
-
-
-
-
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)
D
-
-
-
-
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)
E
-
-
-
-
2.25
(57.2)
2.81
(71.4)
2.81
(71.4)
2.78
(70.6)
2.91
(73.9)
4.31
(109)
***
***
F
-
-
-
-
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)
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.
Figure 1
Figure 3
Figure 4
Figure 2
Figure 5
Figure 6
For the most current product performance data visit
ep-us.mersen.com
and use catalog search.
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