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13
FUSEHOLDERS
International Shock-Safe Panel Mount Type
A complete selection of styles and options satisfy a wide variety of fuse-
holder design needs. Designed to eliminate the possibility of electrical
shock, as defined in IEC standards 60065 and 60127. The universal
fuseholder body will accept 3AG, 5 x 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 — screwdr iver slot
or fingergrip. Drip-proof option is available on screwdriver slot knob style.
Available in two terminal styles — dual-purpose for soldering or 3/16"
NEMA quick connect; and 1/4" NEMA/DIN quick connect. Quick fuse size
identification is provided with letters on fingergrip knob and color-coded
screwdriver slot knobs.
APPROVALS: 3AG 5 x 20mm 2AG
20A 250V 10A 250V 10A 250V
CSA 20A 250V 10A 250V 10A 250V
VDE 10A 250V 10A 250V
SPECIFICATIONS:
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 Mater ial: 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 Screwdr iver 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 ter minal 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 T emperature: 40°C to +85°C.
Hardware: Threaded style fuseholders are supplied with a ther moplastic
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” r ing with Neoprene washer (NP)
[Screwdriver slot knob only], add the appropriate suffix (L, N, or NP)
respectively (or in combination) to the catalog number.
Example: 3453LS7LNP is a holder supplied with a lockwasher, a neoprene panel
washer, and a drip-proof “O” ring in addition to the hex nut.
* Please refer to Fuseology section for information on
proper fuseholder de-rating.
®
®®V
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Fuseholders
For 3AG, 5 x 20mm, or 2AG Fuses
468 www.littelfuse.com
Fuseholders
For 3AG , 5 x 20mm, or 2AG Fuses
International Shock-Safe Panel Mount Type
®
®
V
DE
Fuse Size
2
2AG
.177" x .570"
3
3AG
.250" x 1.250"
5
5 x 20mm
.197" x .787"
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.
DIMENSION
DRAWINGS:
To Order Body Including Nut(s) Only:
Terminal Bottom Low Profile Body High Profile Body Rear Mount Body Quick Mount Body
Style Terminal Part Number*** Part Number Part Number Part Number
3/16" Dual Purpose (Rt. Angle) 3453LF1-010 3453HS1-010 3453RF1-010 3453QS1-010
3/16" Dual Purpose (Straight) 3453LF2-010 3453HS2-010 3453RF2-010 3453QS2-010
3/16" NEMA QC (Rt. Angle) 3453LF3-010 3453HS3-010 3453RF3-010 3453QS3-010
3/16"NEMA QC (Straight) 3453LF4-010 3453HS4-010 3453RF4-010 3453QS4-010
1/4" NEMA/DIN QC (Rt. Angle) 3453LF7-010 3453HS7-010 3453RF7-010 3453QS7-010
1/4"NEMA/DIN QC (Straight) 3453LF8-010 3453HS8-010 3453RF8-010 3453QS8-010
***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob.
ORDERING INFORMATION:
EXAMPLE (Complete Assembly with options): 345 3 LS 7 L N NP
Series Number
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
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" (Straight)
NEMA/DIN QC
Options*
L
Lockwasher
N
Neoprene Washer
NP
Drip-Proof “O” Ring**
with Neoprene Washer
**Options (L, N, NP) can be ordered
individually or in combination.
**Screwdriver slot knob only.
Note:To Order Knob Only:
Fuse Fingergrip Knob Screwdriver Slot Knob
Size Part Number Part Number
2AG 3452LF1-020 3452LS1-020
3AG 3453LF1-020 3453LS1-020
5 x 20mm 3455LF1-020 3455LS1-020
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Littelfuse:
3453LF4-010 03455LS7HXLNP 03455LS8HXLNP 3453HS2-010 3453RF1-010 03453LS1HXLNP
03455LS2HXLNP 03455LF1HXL 03453LF2HX040 03453LS7HXLNP 03453QS1HX040 03453RF1HX040
03455LF1HXLN 03453LS2HXLN 03452LF8H 03453HS8X 03452HS1H 03452RF8H 03452RF8X 03453HS1X
03453LF8HXN 03453LS1HXLN 03453QS3H 03455HS1H 03455HS2X 03455RF3X 03452LF3H 03452RF1X
03455HS3X 03455LF2X 03455LF3X 03453HS2H 03455HS7X 03455QS8HXL 03453LF1HXLN 03455LS1HXNP
03452LS3H 03453HS3X 03453LF8HXL 03453RF1HXL 03453RF2HXN 03452LF7H 03452LF8X 03453LS3X
03455LS3X 03453LF2H 03453LF3H 03453LS8HXL 03455QS8X 03452LF2H 03452QS1H 03452QS8H
03453HS4X 03453LS1X 03455LS8X 03455QS8H 03455RF8X 03453RF8HXN 03452HS3X 03453LS8HXP
03453LF8H 03455LS7X 03453LF3HXLN 03455LS8H 03455QS4H 03452QS4H 03453HS1HXLN 03453LS7H
03455LF1X 03452LS1HX020 03453LS3HXLN 03453QS1X 03453RF2X 03452RF3X 03455LF8X 03455RF7H
03455RF7X 03452HS4X 03452LF1X 03453QS8X 03455HS2H 03455RF2H 03452HS7H 03452LS4H 03452RF7H
03455LS3H 03455QS1X 03452QS8X 03452RF2X 03452RF7X 03453LF1H 03453LF4H 03453QS8HXL
03453RF3H 03452LF3X 03452QS1X 03453HS1HXN 03453RF4H 03452HS8X 03452LS7X