Fuseholder Datasheet
342 Series
Panel Mount Enclosed Fuseholders for 3AG/AB Fuses
RoHS Pb
Product Characteristics
General Application
Products
Compatible
Fuses
Electrical
Ambient
Temperature
Dielectric
Strength
General Application / Straight Terminal Product Dimensions
3/16” Q.C.
.7"
.090" X .12"
HOLE
.45"
FLATS
TYP.
1/4” Q.C.
.78"
.7"
1"
1"
.3"
.4"
1.31"
Mounting
Hole
.502"
.510"
.032"
–40ºC to +85ºC
2400 volts minimum
Ingression
Protection
Rating
.475"
.480"
.020"
.11" DIA.
3AG/AB
Rated at 20 amperes for any voltage up to 250
1500 volts minimum
Withstands 15 lb.in. mounting torque;
Mounting
maximum panel
thickness: .187”
Black thermoplastic
Molded Parts
(UL94 V-0)
Neoprene washer provide
drip-proof protection on
Seal
the front side of the panel
(upon request)
Copper & copper alloy.
Tin plated, except
Terminals
¼” Quick-Connect
terminals are nickel plated
Comes with a mounting
Hardware
nut and neoprene washer
Dimensions
Solder
Watertight Product
Withstands 15 lb.in. mounting torque;
maximum panel thickness
is .250”
Black thermoset
(UL94 V-0)
O-ring provides a
watertight seal on the
front side of the panel per
MIL-PRF-19207
Copper & copper alloy.
Tin plated
O-rings (2) and hex nut,
unassembled
IP40
IP67
Agency Approvals
.69"
HEX
FLATS
Agency
Agency File Number
E14721
General Application / Right Angle Terminal Product Dimensions
Solder
3/16” Q.C.
7316 (*Except 342 006)
1/4” Q.C.
.69" DIA.
.78"
Kit part Numbering System
.78"
.7"
Mounting
Hole
1"
1"
.63"
.085" X .12"
HOLE
.187"
.06" DIA.HOLE
.45"
FLATS
TYP.
.69"
HEX
FLATS
.56"
.59"
Watertight Product Dimensions
.12" DIA.
HOLES
4
2
0
0
4
8
X
P
L
Packing
Accessories
Washer and Nut
Each component is packed in
separate bags with 100 pieces
H or HX Pack kits includes
washers and nuts
Just X
P
1 piece of each component
packed together in 1 bag
Drip proof washer installed
in knob
L
Lockwasher
.94"
DIA.
.81"
0
1.3 "
MOUNTING HOLE
"
3
4
2
0
0
4
X
Additional Information
.570"
.575"
.81
H
H or HX
DETENT
.250"
.14" DIA. HOLE
3
.502"
.510"
.032"
.020"
0
.475"
.480"
1"
.625"
.635"
Resources
1
Accessories
Samples
© 2022 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/07/22
Fuseholder Datasheet
342 Series
Panel Mount Enclosed Fuseholders for 3AG/AB Fuses
General Application
Ordering PN
Body
Knob
Washer
Lockwasher
Nut
Angle
Connect
Knob Type
03420004H
03420004HXL
03420004HXP
03420004HXPL
03420004X
03420012H
03420012HXL
03420012HXP
03420012X
03420014H
03420014HXL
03420014X
03420022H
03420022HXL
03420022X
03420028H
03420028HXL
03420028X
03420038H
03420038HXL
03420038X
03420048H
03420048HXL
03420048HXPL
03420048X
03420058H
03420058HXL
03420058X
03420828H
03420828HXL
03420828X
03420838H
03420838HXA
03420838HXL
03420838HXP
03420838X
03420848H
03420848HXL
03420848X
03420858H
03420858HXL
03420858HXP
03420858HXPL
03420858X
03420858XXL
03420004HX010
03420004HX010
03420004HX010
03420004HX010
342004-010
03420012HX010
03420012HX010
03420012HX010
342012-010
03420012HX010
03420012HX010
342012-010
03420004HX010
03420004HX010
342004-010
03420028HX010
03420028HX010
342028-010
03420038HX010
03420038HX010
342038-010
03420028HX010
03420028HX010
03420028HX010
342028-010
03420038HX010
03420038HX010
342038-010
03420828HX010
03420828HX010
342828-010
03420838HX010
342838-010
03420838HX010
03420838HX010
342838-010
03420828HX010
03420828HX010
342828-010
03420838HX010
03420838HX010
03420838HX010
03420838HX010
342838-010
342838-010
03420104HX040
03420104HX040
03420104HXP040
03420104HXP040
342104-040
03420012HX040
03420012HX040
03420012HXP040
342012-040
03420104HX040
03420104HX040
342104-040
03420012HX040
03420012HX040
342012-040
03420104HX040
03420104HX040
342104-040
03420104HX040
03420104HX040
342104-040
03420012HX040
03420012HX040
03420012HXP040
342012-040
03420012HX040
03420012HX040
342012-040
03420104HX040
03420104HX040
342104-040
03420104HX040
342104-040
03420104HX040
03420104HXP040
342104-040
03420012HX040
03420012HX040
342012-040
03420012HX040
03420012HX040
03420012HXP040
03420012HXP040
342012-040
342012-040
09010002H
09010002H
09010002H
09010002H
N/A
09010002H
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
901-002
09010002H
09010002H
N/A
09010002H
09010002H
N/A
09010002H
09010002H
09010002H
09010002H
N/A
N/A
N /A
09050023H
N /A
09050023H
N/A
N /A
09050023H
N /A
N/A
N /A
09050023H
N/A
N /A
09050023H
N/A
N /A
09050023H
N/A
N /A
09050023H
N/A
N /A
09050023H
09050023H
N/A
N /A
09050023H
N/A
N /A
09050023H
N/A
N /A
N/A
09050023H
N /A
N/A
N /A
09050023H
N/A
N /A
09050023H
N /A
09050023H
N/A
905-023
09030012H
09030012H
09030012H
09030012H
N/A
09030012H
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
903-012
09030012H
09030012H
N/A
09030012H
09030012H
N/A
09030012H
09030012H
09030012H
09030012H
N/A
N/A
Right
Right
Right
Right
Right
Straight
Straight
Straight
Straight
Straight
Straight
Straight
Right
Right
Right
Right
Right
Right
Straight
Straight
Straight
Right
Right
Right
Right
Straight
Straight
Straight
Right
Right
Right
Straight
Straight
Straight
Straight
Straight
Right
Right
Right
Straight
Straight
Straight
Straight
Straight
Straight
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
Solder
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
3/16" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
1/4" Q.C.
Flutted
Flutted
Flutted
Flutted
Flutted
Knurled
Knurled
Knurled
Knurled
Flutted
Flutted
Flutted
Knurled
Knurled
Knurled
Flutted
Flutted
Flutted
Flutted
Flutted
Flutted
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Flutted
Flutted
Flutted
Flutted
Flutted
Flutted
Flutted
Flutted
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Knurled
Ordering PN
Body
Knob
Washer
Lockwasher
Nut
Angle
Connect
Knob Type
03420006T
03420006Z
03420006ZXA
342006-1
342006-1
342006-1
342006-2
342006-2
342006-2
901-262
901-262
901-262
N/A
N/A
N/A
903-068
903-068
903-068
Straight
Straight
Straight
Solder
Solder
Solder
Flutted
Flutted
Flutted
Watertight
Note: T = 10 pieces assembled per bag.
Z = 200 pieces assembled per bag
ZXA = 200 pieces of body and knob assembled, wahser and nut in separate bags
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics.
2
© 2022 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/07/22
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