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A50QS80-4 [ETC]

SEMICONDUCTOR PROTECTION FUSES; 半导体保护熔丝
A50QS80-4
型号： A50QS80-4
厂家： ETC    ETC
描述：

SEMICONDUCTOR PROTECTION FUSES
半导体保护熔丝

半导体 电路保护
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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.  
Ratings  
Approvals  
® AC: 35-60A  
® UL Recognized  
Component  
500VAC, 200kA I.R.  
70-1200A  
500VAC, 200kA I.R.  
® AC: UL Guide No. JFHR2  
® DC Tested to UL  
Standard 198L  
® DC: 35-1200A  
500VDC, 100kA I.R.  
parameters (70-1200A)  
® CSA Certified  
LR12636  
Features/Benefits  
Lowest l2t for greatest protection of semiconductor  
circuits  
®
®
®
Low watts loss for cooler operation  
HIGHLIGHTS:  
APPLICATIONS:  
Superior cycling ability gives an equipment design  
advantage  
® 500V AC/DC Rated  
® Lowest l2t  
® Low Watts Loss  
® Superior Cycling  
Ability  
® Protection of 500V or  
less motor drives,  
®
®
State-of-the-art protection for 500 volt equipment  
UPS, inverters, etc.  
Ultra compact sizes allow down-sizing of existing  
equipment  
Catalog Numbering System  
A
50 QS 250 - 4  
Amp-trap® Fuse  
A
Rated Volts - 500  
Style  
50  
QS  
Single Pole Fuse Blocks for A50QS Fuses  
Amperes*  
250  
4
FUSE  
AMPERE  
RATING  
FUSE BLOCK  
CATALOG  
NUMBER  
MOUNTING  
TYPE  
Mounting Type*  
Blades, bolt-in  
1 - 30  
35-200  
225-600  
4
4
P243E  
P266C  
* For ampere ratings and types not listed, consult the factory.  
D 12  
AMP-TRAP®–Form 101  
A50QS  
SEMICONDUCTOR PROTECTION FUSES  
Standard Fuse Ampere Ratings, Catalog Numbers  
AMPERE  
RATING  
CATALOG  
NUMBER  
AMPERE  
RATING  
CATALOG  
NUMBER  
35  
40  
50  
60  
70  
A50QS35-4  
A50QS40-4  
A50QS50-4  
A50QS60-4  
A50QS70-4  
A50QS80-4  
A50QS90-4  
A50QS100-4  
A50QS125-4  
A50QS150-4  
A50QS175-4  
A50QS200-4  
A50QS225-4  
250  
300  
350  
400  
450  
500  
600  
700  
800  
900  
1000  
1200  
A50QS250-4  
A50QS300-4  
A50QS350-4  
A50QS400-4  
A50QS450-4  
A50QS500-4  
A50QS600-4  
A50QS700-4  
A50QS800-4  
A50QS900-4  
A50QS1000-4  
A50QS1200-4  
80  
90  
100  
125  
150  
175  
200  
225  
D
For ampere ratings and styles not listed, call Technical Services.  
Dimensions  
CATALOG  
NUMBER  
MOUNTING  
TYPE  
DIMENSIONS - INCHES (mm)  
A
B
C
D
E
F
G
H
A50QS35 to 100  
A50QS125 to 200  
4
4
3.63  
(92.2)  
3.63  
1.00  
(25.4)  
1.22  
2.13  
(54.1)  
2.13  
2.94  
(74.7)  
2.94  
2.75  
(69.9)  
2.81  
0.31  
(7.9)  
0.31  
(7.9)  
0.75  
(19.1)  
1.00  
0.13  
(3.3)  
0.19  
(4.8)  
(92.2)  
(31.0)  
(54.1)  
(74.7)  
(71.4)  
(25.4)  
A50QS225 to 400  
A50QS450 to 600  
4
4
4.34  
(110)  
4.47  
1.50  
(38.1)  
2.00  
2.09  
(53.1)  
2.22  
3.41  
(86.6)  
3.53  
2.78  
(70.6)  
2.91  
0.41  
(10.4)  
0.41  
1.00  
(25.4)  
1.50  
0.25  
(6.4)  
0.25  
(6.4)  
(114)  
(50.8)  
(56.4)  
(89.7)  
(73.9)  
(10.4)  
(38.1)  
A50QS700 to 800  
A50QS900 to 1200  
4
4
6.47  
(164.3)  
6.97  
2.50  
(63.5)  
3.00  
2.22  
(56.4)  
3.22  
5.00  
(127.0)  
5.47  
3.44  
(87.3)  
4.47  
.53  
(13.5)  
.63  
1.50  
(38.1)  
2.38  
.25  
(6.4)  
.44  
(177.0)  
(76.2)  
(81.8)  
(138.9)  
(113.5)  
(15.9)  
(60.3)  
(11.1)  
Watts Loss at Rated Current  
Watts Loss vs. Percent Rated Current  
AMPERE  
RATING  
35  
WATTS  
LOSS(w)  
AMPERE  
RATING  
250  
WATTS  
LOSS(w)  
41  
6
40  
7
300  
49  
50  
8
350  
57  
60  
10  
12  
14  
15  
17  
21  
25  
29  
33  
37  
400  
65  
70  
450  
69  
80  
500  
77  
90  
600  
92  
100  
125  
150  
175  
200  
225  
700  
110  
130  
140  
160  
175  
800  
900  
1000  
1200  
Correction factor example: At 80% rated current, watts  
loss equals .54 times watts loss at rated current.  
Percent Rated Current  
D 13  
AMP-TRAP®–Form 101  
A50QS  
SEMICONDUCTOR PROTECTION FUSES  
A50QS35 to 1200  
Melting Time – Current Data, 500V Fuses  
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  
AMP-TRAP®–Form 101  
A50QS  
SEMICONDUCTOR PROTECTION FUSES  
I2t Data – 500 Volts AC  
I2t DATA  
MAX. CLEARING I2t @ 500VAC  
AMPERE MELTING I2t 1 FUSE (Fig A) 2 FUSES IN SERIES  
Fault  
Fault  
500 VAC  
Load  
500 VAC  
FUSE  
Load  
RATING (A2s x 103)  
(A2s x 103)  
(A2s x 103)(Fig B)  
Fig. A  
Fig. B  
35  
40  
50  
60  
70  
.09  
.11  
.18  
.25  
.31  
.43  
.57  
.74  
.94  
1.5  
2.5  
3.3  
4.1  
4.9  
9.2  
15  
.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  
Clearing I2t vs. AC Operating Voltage  
80  
90  
100  
125  
150  
175  
200  
225  
250  
300  
350  
400  
450  
500  
600  
700  
800  
900  
1000  
1200  
D
16  
21  
26  
37  
53  
72  
98  
112  
200  
Operating Voltage (AC RMS Volts)  
Clearing I2t at 500V DC, 100kA, L/R = 10 ms  
DC Voltage Capability vs. Time Constant  
I2t  
)
I2t  
)
AMPERE  
RATING  
35  
40  
50  
60  
70  
80  
90  
100  
125  
150  
175  
200  
225  
CLEARING  
AMPERE  
RATING  
250  
300  
350  
400  
450  
500  
600  
700  
800  
900  
1000  
1200  
CLEARING  
2
3
2
3
(
(
A s x 10  
.48  
.58  
1.0  
1.3  
1.6  
2.2  
3.0  
3.8  
4.8  
7.7  
13  
A s x 10  
25  
47  
75  
83  
110  
130  
190  
220  
260  
350  
430  
660  
17  
21  
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.  
L/R Time Constant (ms)  
D 15  

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