A50QS40-4 Datasheet PDF - Ferraz Shawmut


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A50QS40-4
Ferraz Shawmut

Part Number A50QS40-4
Description SEMICONDUCTOR PROTECTION FUSES
Page 4 Pages

A50QS40-4 datasheet pdf
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AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
A50QS Amp-trap® Form 101 fuses grew out of the
need to improve the overall performance of
semiconductor fuses in response to new equipment
requirements. The A50QS encompasses the best
protection features – lower I2t to provide better
protection for equipment, longer life when subjected
to cyclic loading and lower watts loss. A50QS is
today’s best choice for the protection of dynamic
solid state equipment such as motor drives,
inverters, UPS, etc.
HIGHLIGHTS:
® 500V AC/DC Rated
® Lowest l2t
® Low Watts Loss
® Superior Cycling
Ability
Ratings
® AC: 35-60A
500VAC, 200kA I.R.
70-1200A
500VAC, 200kA I.R.
® DC: 35-1200A
500VDC, 100kA I.R.
Approvals
® UL Recognized
Component
® AC: UL Guide No. JFHR2
® DC Tested to UL
Standard 198L
parameters (70-1200A)
® CSA Certified
LR12636
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Features / Benefits
® Lowest l2t for greatest protection of semiconductor
circuits
APPLICATIONS:
® Protection of 500V or
less motor drives,
UPS, inverters, etc.
® Low watts loss for cooler operation
® Superior cycling ability gives an equipment design
advantage
® State-of-the-art protection for 500 volt equipment
® Ultra compact sizes allow down-sizing of existing
equipment
Catalog Numbering System A 50 QS 250 - 4
Amp-trap® Fuse
A
Single Pole Fuse Blocks for A50QS Fuses
FUSE
AMPERE
RATING
1 - 30
35-200
225-600
FUSE BLOCK
MOUNTING CATALOG
TYPE NUMBER
4 P243E
4 P266C
Rated Volts - 500
Style
50
QS
Amperes*
Mounting Type*
Blades, bolt-in
250
4
* For ampere ratings and types not listed, consult the factory.
D 12
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AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
Standard Fuse Ampere Ratings, Catalog Numbers
AMPERE
RATING
CATALOG
NUMBER
AMPERE
RATING
CATALOG
NUMBER
35 A50QS35-4 250
40 A50QS40-4 300
50 A50QS50-4 350
60 A50QS60-4 400
70 A50QS70-4 450
80 A50QS80-4 500
90 A50QS90-4 600
100 A50QS100-4
700
125 A50QS125-4
800
150 A50QS150-4
900
175 A50QS175-4 1000
200 A50QS200-4 1200
225 A50QS225-4
A50QS250-4
A50QS300-4
A50QS350-4
A50QS400-4
A50QS450-4
A50QS500-4
A50QS600-4
A50QS700-4
A50QS800-4
A50QS900-4
A50QS1000-4
A50QS1200-4
For ampere ratings and styles not listed, call Technical Services.
Dimensions
CATALOG
NUMBER
A50QS35 to 100
A50QS125 to 200
A50QS225 to 400
A50QS450 to 600
A50QS700 to 800
A50QS900 to 1200
MOUNTING
TYPE
4
4
4
4
4
4
A
3.63
(92.2)
3.63
(92.2)
4.34
(110)
4.47
(114)
6.47
(164.3)
6.97
(177.0)
B
1.00
(25.4)
1.22
(31.0)
1.50
(38.1)
2.00
(50.8)
2.50
(63.5)
3.00
(76.2)
DIMENSIONS - INCHES (mm)
CD
E
F
2.13
(54.1)
2.13
(54.1)
2.94
(74.7)
2.94
(74.7)
2.09
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3.41
(53.1) (86.6)
2.22 3.53
(56.4) (89.7)
2.22
(56.4)
3.22
(81.8)
5.00
(127.0)
5.47
(138.9)
2.75
(69.9)
2.81
(71.4)
2.78
(70.6)
2.91
(73.9)
3.44
(87.3)
4.47
(113.5)
0.31
(7.9)
0.31
(7.9)
0.41
(10.4)
0.41
(10.4)
.53
(13.5)
.63
(15.9)
G
0.75
(19.1)
1.00
(25.4)
1.00
(25.4)
1.50
(38.1)
1.50
(38.1)
2.38
(60.3)
H
0.13
(3.3)
0.19
(4.8)
0.25
(6.4)
0.25
(6.4)
.25
(6.4)
.44
(11.1)
Watts Loss vs. Percent Rated Current
Percent Rated Current
D 13
Watts Loss at Rated Current
AMPERE
RATING
35
40
50
60
70
80
90
100
125
150
175
200
225
WATTS
LOSS(w)
6
7
8
10
12
14
15
17
21
25
29
33
37
AMPERE
RATING
250
300
350
400
450
500
600
700
800
900
1000
1200
WATTS
LOSS(w)
41
49
57
65
69
77
92
110
130
140
160
175
Correction factor example: At 80% rated current, watts
loss equals .54 times watts loss at rated current.
D
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AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
A50QS35 to 1200
Melting Time – Current Data, 500V Fuses
http://www.DataSheet4U.net/
Current in Amperes
Peak Let-Thru Current Data – A50QS35 to 1200, 500 Volts AC
Maximum Arc Volts vs. System Voltage
Circuit Voltage (Volts RMS)
Available Current in RMS Symmetrical Amperes
D 14
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AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
I2t Data – 500 Volts AC
I2t DATA
FUSE
MAX. CLEARING I2t @ 500VAC
AMPERE MELTING I2t 1 FUSE (Fig A) 2 FUSES IN SERIES
RATING (A2s x 103) (A2s x 103) (A2s x 103)(Fig B)
35 .09
40 .11
50 .18
60 .25
70 .31
80 .43
90 .57
100 .74
125 .94
150 1.5
175 2.5
200 3.3
225 4.1
250 4.9
300 9.2
350 15
400 16
450 21
500 26
600 37
700 53
800 72
900 98
1000 112
1200 200
.56
.69
1.1
1.6
1.9
2.6
3.6
4.4
5.6
9
15
20
25
29
55
88
98
130
160
220
270
360
500
560
930
.34
.4
.68
.94
1.1
1.5
2.1
2.7
3.4
5.4
9
12
15
18
33
53
59
76
94
130
160
220
300
330
550
500 VAC
Clearing I2t at 500V DC, 100kA, L/R = 10 ms
AMPERE
RATING
35
40
50
60
70
80
90
100
125
150
175
200
225
CLEARING I2t
(A2s x 103)
.48
.58
1.0
1.3
1.6
2.2
3.0
3.8
4.8
7.7
13
17
21
AMPERE
RATING
250
300
350
400
450
500
600
700
800
900
1000
1200
CLEARING I2t
(A2s x 103)
25
47
75
83
110
130
190
220
260
350
430
660
DC Application: A50QS Fuses have been designed for both AC
and DC operation. A50QS fuses (70-600) have UL Component
Recognition at 500V DC and have been tested to circuit parameters
as defined in Standard 198L.
Fault
Fig. A
Load
500 VAC
Fault
Fig. B
Load
Clearing I2t vs. AC Operating Voltage
D
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Operating Voltage (AC RMS Volts)
DC Voltage Capability vs. Time Constant
L/R Time Constant (ms)
D 15
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