Page 25 - Ferraz semiconductor UL

Semiconductor (A) fuses
Semiconductor (AC) fuses

American Round Fuses

Form 101 Range

A70QS

Semiconductor Protection Fuses

Standard Fuse Ampere Ratings, Catalog and ReferenceNumbers

Ampere Catalog Ref. Ampere Catalog Ref. Ampere Catalog Ref. Ampere Catalog Ref.
Rating Number Number Rating Number Number Rating Number Number Rating Number Number
35 A7OQS35-4 D202748 100 A7OQS100-4 G214343 200 A7OQS200-4 V212814 450 A7OQS450-4K H215356
40 A7OQS40-4 Y213829 125 A7OQS125-4 L215865 200 A7OQS200-4K E213329 500 A7OQS500-4 A218431
50 A7OQS50-4 T217919 125 A7OQS125-4K Q216375 250 A7OQS250-4 L217406 500 A70QS500-4K R218952
60 A7OQS60-4 H219473 150 A7OQS150-4 P218950 300 A7OQS300-4 Q218951 600 A7OQS600-4 Y219993
70 A7OQS70-4 B201527 150 A7OQS150-4K F219471 350 A7OQS350-4 M211266 600 A7OQS600-4K P222676
80 A7OQS80-4 X212816 175 A7OQS175-4 A223192 400 A7OQS400-4 J214345 700 A7OQS700-4 E202772
90 A7OQS90-4 K214346 175 A7OQS175-4K J200982 450 A7OQS450-4 F214848 800 A7OQS800-4 Z213830
For ampere ratings and styles not listed, ask sales agent. Mounting Type 4; note exception 4k

Dimensions

Catalog Mounting Dimensions - Inches (mm)
Number Type
A B C D E F G H
A70QS35 to 100 4 4.38 1.00 2.88 3.69 3.50 0.31 0.75 0.13
(111) (25.4) (73.0) (93.6) (88.9) (7.9) (19.0) (3.2)
A70QS125 to 200 4 4.38 1.22 2.88 3.69 3.56 0.31 1.00 0.19
(111) (31.0) (73.0) (93.6) (90.5) (7.9) (25.4) (4.8)
A70QS125 to 200 4K 5.09 1.22 2.88 4.19 3.50 0.41 1.00 0.19
(129) (31.0) (73.0) (106) (88.0) (10.3) (25.4) (4.8)
A70QS225 to 400 4 5.09 1.50 2.84 4.16 3.53 0.40 1.50 0.25
(129) (38.1) (72.2) (106) (89.7) (10.3) (38.1) (6.4)
A70QS450 to 600 4 5.09 2.00 2.84 4.16 3.53 0.41 1.50 0.25
(129) (50.8) (72.2) (106) (89.7) (10.3) (38.1) (6.4)
A70QS450 to 600 4K 7.09 2.00 2.84 6.16 3.53 0.53 1.50 0.25
(180) (50.8) (72.2) (156) (89.7) (13.5) (38.1) (6.4)
A70QS700 to 800 4 7.09 2.50 2.84 5.28 4.91 0.53 2.00 0.38
(180) (63.5) (72.2) (134) (125) (13.5) (50.8) (9.5)

I t Data – 700 Volts
2
AC, 100kA 700 VAC Fault Load 700 VAC Fault Load

2
I t data
Fig. A Fig. B
Fuse clearing at 700V AC
Ampere Melting 1 Fuse 2 Fuses
2
Rating (Fig. A) in series(Fig. B) Clearing I t vs. AC Operating Voltage
2
3
3
x 10 A s x 10 A s x 10 A s
2
3
2
35 0.13 0.47 0.27
40 0.16 0.58 0.33
50 0.24 0.86 0.49
60 0.32 1.2 0.69
70 0.50 1.8 1.0
80 0.65 2.3 1.3
90 0.83 3.0 1.7
100 1.0 3.6 2.1
125 2.1 6.9 4.0
150 3.3 11 6.3
175 4.2 14 8.0 CORRECTION FACTOR FOR I2T
200 5.9 19 11
225 9.0 30 17
250 12.6 42 24
300 16.7 55 32
350 21.5 72 41
400 29.7 99 57
450 36.7 125 72
500 47.1 160 92
600 65.2 222 127
700 103.6 332 190
OPERATING VOLTAGE (AC RMS VOLTS)
800 135.3 433 248
SCAC25
12/04