awn €93.
Enclosed Fuseholders > Panel Mounted
Cartridge Fuse Holders
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/22/19
RoHS
Pb
Product Characteristics
Compatible
Fuses For 3AB, 3AG, 5×20mm, or 2AG Fuses
Description
Designed to eliminate the possibility of electrical
shock, as defined in IEC standards 60127-6. The
universal fuseholder body will accept 3AB, 3AG, 5
× 20mm, and 2AG fuse sizes depending on knob
selected. Permits inventory reduction of bodies and
provides knob interchange versatility. Anti-tease feature
eliminates circuit interruption when knob is accidentally
depressed. Five fuseholder types assure design
flexibility. Available with two knob styles — screwdriver
slot or fingergrip. Available in two terminal styles
— dual-purpose for soldering or 3/16” NEMA quick
connect; and ¼” NEMA/DIN quick connect. Quick fuse
size identification is provided with letters on fingergrip
knob and color-coded screwdriver slot knobs.
Electrical
Insulation Resistance: 10,000 megohm minimum at
500 VDC. Contact Resistance: Less than .005 ohm
average at currents up to 1 ampere.
Mounting
Threaded styles withstand 15 in.-lb. mounting torque.
Low profile and High profile panel thickness: .032”
min./.310” max. Quick mount panel thickness: .012”
min./.360” max. Rear mount panel thickness: .012”
min./.260” max.
Molded Parts Body Material: Black glass-filled thermoplastic (UL
94V0).
Knob Material Grey, blue or black glass-filled thermoplastic (UL94 V-0)
Hex Nut Material: Black glass-filled thermoplastic.
Knob
Finger-Grip, Fuse Extractor type or Screwdriver Slot,
Fuse Extractor type with plated copper alloy insert.
Plated copper alloy contact clips. Spring loaded, locking
mechanism provides an anti-tease feature and will not
vibrate loose.
Terminals
Copper alloy. Tin-plated. Three styles available. A .187”
dual purpose terminal accepts wire for soldering or a
Quick-Connect receptacle. .187” terminal for NEMA
Quick-Connect and .250” terminal for NEMA/DIN Quick-
Connect available.
Ambient
Temperature –40ºC to +85ºC.
Hardware
Threaded style fuseholders are supplied with a
thermoplastic hex nut unassembled. Quick mount style
fuseholders are supplied with a push-on type retaining
nut, black oxide finish, unassembled. A synthetic rubber
O” ring will be supplied only with the screwdriver
slot knob when the drip-proof version is requested.
To order with a metal internal tooth lockwasher (L)
and/or neoprene panel washer (N) and/or drip-proof
synthetic rubber O” ring with Neoprene washer (NP)
[Screwdriver slot knob only], add the appropriate suffix
(L, N, or NP) respectively (or in combination) to the
catalog number. Accesories can be order by separately.
* Please refer to Fuseology section for information on proper fuseholder re-rating.
345 Series Shock-Safe Panel Mount Enclosed Fuse Holders
Agency Agency File
Number 3AG/AB 5×20mm 2AG
E14721 20A 250V 20A 250V 10A 250V
7316 20A 250V 20A 250V 10A 250V
40001642 10A 250V 10A 250V
Additional Information
Datasheet Samples
Resources
Agency Approval
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Enclosed Fuseholders > Panel Mounted
Cartridge Fuse Holders
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/22/19
Ordering Part Numbering System to order complete fuse holder (body and knob)
Dimensions
F
U
S
E
F
U
S
E
F
U
S
E
F
U
S
E
.60" DIA.
.65" DIA.
.41" 1.59"
.50" MIN. 1.50" MAX.
Low Profile Fingergrip Knob
Rear Mount Fingergrip Knob
special 1/2" thread
special 1/2" thread
special 1/2" thread
special 1/2" thread
F
U
S
E
F
U
S
E
.40"
1.35"
High Profile Screwdriver Slot Knob
.04"x.25"
F
U
S
E
F
U
S
E
´
.16"
1.59"
Low Profile Screwdriver Slot Knob
.04"x.25"
F
U
S
E
F
U
S
E
.16"
1.59"
Quick Mount Screwdriver Slot Knob
.04"x.25"
Terminal Styles
Suggested Mounting Holes
Bottom Terminal
.090" x .160"
HOLE .055"
HOLE
.070"
HOLE
3/16" DUAL
PURPOSE
SOLDER/QUICK
CONNECT
1/4" NEMA/DIN
QUICK CONNECT
3/16" NEMA
QUICK CONNECT
.187" .187" .250"
.475"
.480"
.460"
.465"
.500"
.505"
A
B
C
ABC
.187" QC
.250" QC
.53" .30" .020"
.59" .36" .032"
Right Angle Straight
"Push-On" Type Retaining Nut
for Quick Mount Fuseholder
Plastic Hex Nut with Flange
.91" DIA.
.63"
.19"
.65"
DIA.
.558"
HEX.
SPECIAL
1/2" THREAD
.60" DIA.
.60" DIA.
.60" DIA.
Accessory*
L
Lockwasher
N
Neoprene Washer
P
Drip-Proof "O" Ring**
with Neoprene Washer
Packing
H
For 100 Pieces (Bulk)
Terminals
1
3/16" (Rt. Angle)
Dual Purpose Solder/QC
2
3/16" (Straight)
Dual Purpose Solder/QC
3
3/16" (Rt. Angle)
NEMA QC
4
3/16" (Straight)
NEMA QC
7
1/4" (Rt. Angle)
NEMA/DIN QC
8
1/4" (Rt. Angle)
NEMA/DIN QC
Style
LF
Low Profile Body
Black Fingergrip Knob
RF
Rear Mount Body
Black Fingergrip Knob
HS
High Profile Body
Screwdriver Slot Knob
LS
Low Profile Body
Screwdriver Slot Knob
QS
Quick Mount Body
Screwdriver Slot Knob
Screwdriver Slot Knob
2AG - Blue Knob
3AG - Grey Knob
5 x 20mm - Black Knob
Fuse Size
2
2AG
.177" x .570"
3
3AG
.250" x 1.250"
5
5 x 20mm
.197" x .787"
0 345 3 LS 7 H X L N P
Series Name
*Optional (L,N,P) can be ordered
individually or in combination
**Screwdriver slot knob only
Example 03453LS7HXLNP - A 345 Series fuse holder for 3AG fuses with low profile body and a Screwdriver Slot knob, with
1/4" (Rt. Angle) Nema/Din QC terminals.
Note - If accessory is needed, add the "X" as filler on the ordering part number
Enclosed Fuseholders > Panel Mounted
Cartridge Fuse Holders
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/22/19
Fuse Size Fingergrip Knob Screwdriver Slot Knob
2AG 03452LF1HX020 03452LS1HX020
3AG 03453LF1HX020 03453LS1HX020
5 × 20mm 03455LF1HX020 03455LS1HX020
H - 100 Pieces (Bulk)
X - Filler
Terminal Style Bottom Terminal Low Profile Body Part
Number***
High Profile Body Part
Number
Rear Mount Body Part
Number
Quick Mount Body
Part Number
3/16” Dual Purpose (Rt. Angle) 03453LF1ZX010 03453HS1ZX010 03453RF1ZX010 03453QS1ZX010
3/16” Dual Purpose (Straight) 03453LF2ZX010 03453HS2ZX010 03453RF2ZX010 03453QS2ZX010
3/16” NEMA QC (Rt. Angle) 03453LF3ZX010 03453HS3ZX010 03453RF3ZX010 03453QS3ZX010
3/16”NEMA QC (Straight) 03453LF4ZX010 03453HS4ZX010 03453RF4ZX010 03453QS4ZX010
¼” NEMA/DIN QC (Rt. Angle) 03453LF7ZX010 03453HS7ZX010 03453RF7ZX010 03453QS7ZX010
¼”NEMA/DIN QC (Straight) 03453LF8ZX010 03453HS8ZX010 03453RF8ZX010 03453QS8ZX010
***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob.
Z - 100 pieces (Bulk)
X - Filler
To Order Body Including Nut(s) Only
To Order Knob Only
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.
To Order Accesories Only
Accesory Packaging Part Number
ACS Rubber Washer Bulk (100 pieces) 09010002H
ACS Nut Bulk (100 pieces) 09030097H
ACS Lockwasher Bulk (100 pieces) 09050023H
ACS O-Ring Bulk (100 pieces) 09010134H
H - 100 Pieces (Bulk)