
Special Purpose Fuses
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2005 Littelfuse POWR-GARD Products Catalog
LA 70 QS 20 -14F I
Style
Littelfuse
Ampere Rating
Size
Voltage
(700)
Optional Striker
14 x 51mm
14F
22 x 58mm
22F
(I)
LA70QS French Cylindrical Fuses
690 Volts Very Fast Acting 10 – 100 Amperes
Specifications
Voltage Rating:
AC: 690 Volts
DC: 700 Volts
Interrupting Rating:
AC: 200,000 Amperes
DC: 100,000 Amperes
Ampere Range:
10 – 100 Amperes
Approvals:
UL Recognized under the components program.
CSA Certified.
Recommended Fuse Blocks
CYH series for non-striker fuses LA70QS(amp)22F
LPSG series for the striker style LA70QS(amp)22FI
Ordering Information
Catalog Numbers & Technical Data
Ampere
Rating
Littelfuse
Catalog
Number
(No Striker)
Littelfuse
Catalog
Number
(With Striker)
Body
Size
Maximum
Clearing I2t
@700 VAC
(A2S x 103)
Watts Loss
@ Rated
Current (W)
10
LA70QS10-14F LA70QS10-14FI 14x51
0.04
3.5
12
LA70QS12-14F LA70QS12-14FI 14x51
0.06
4.4
16
LA70QS16-14F LA70QS16-14FI 14x51
0.10
4.8
20
LA70QS20-14F LA70QS20-14FI 14x51
0.16
5.2
25
LA70QS25-14F LA70QS25-14FI 14x51
0.27
5.8
32
LA70QS32-14F LA70QS32-14FI 14x51
1.50
7.0
40
LA70QS40-14F LA70QS40-14FI 14x51
0.70
10.7
50
LA70QS50-14F LA70QS50-14FI 14x51
1.50
11.6
20
LA70QS20-22F LA70QS20-22FI 22x58
0.076
8.0
25
LA70QS25-22F LA70QS25-22FI 22x58
0.125
10.0
32
LA70QS32-22F LA70QS32-22FI 22x58
0.27
11.0
40
LA70QS40-22F LA70QS40-22FI 22x58
0.48
13.0
50
LA70QS50-22F LA70QS50-22FI 22x58
0.80
14.9
63
LA70QS63-22F LA70QS63-22FI 22x58
1.85
16.0
80
LA70QS80-22F LA70QS80-22FI 22x58
3.80
17.8
100
LA70QS100-22F LA70QS100-22FI 22x58
8.00
19.0
Fuse Size
Dimensions in mm
A
B
C
D
E
14x51 (no striker)
14
51
14
–
22x58 (no striker)
22
58
16
–
14x51 (with striker)
14
51
14
7.5
3.8
22x58 (with striker)
22
58
16
7.5
3.8
Dimensions for reference only.
A
B
C
A
B
C
D
E
Littelfuse French Cylindrical style semiconductor fuses are an extension
to the LA70QS series. They offer a solid-fill design with high interrupting
ratings and an optional striker for visual or remote blown fuse indication.
The international 14x51mm and 22x58mm sizes are accepted
worldwide.