Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Enclosed Fuseholders > Panel Mounted
Cartridge Fuse Holders
Part Numbering System
Fuse Size
2
2AG
.177" x.570"
3
3AG
.250" x 1.250"
5
5 x 20mm
.197" x.787"
EXAMPLE:
(Complete Assembly with Options)
345 3LS7LN P
Series Number
Style
LF
LowProfile Body
Black Fingergrip Knob
RF
Rear Mount Body
BlackFingergrip Knob
HS
High Profile Body
Screwdriver Slot Knob
LS
LowProfile Body
Screwdriver Slot Knob
QS
Quick Mount Body
Screwdriver Slot Knob
Screwdriver Slot Knob
2AG—Blue Knob
3AG—Grey Knob
5x20mm — Black Knob
Terminals
1
3/16"(Rt. Angle)
DualPurpose Solder/QC
2
3/16" (Straight)
DualPurpose 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
P
Drip-Proof “O” Ring**
with Neoprene Washer
**Options(L, N, P) can be ordered
individually or in combination.
**Screwdriverslot knobonly.
Fuse Size
Fingergrip
Knob
Screwdriver Slot
Knob
2AG 3452LF1-020 3452LS1-020
3AG 3453LF1-020 3453LS1-020
5 × 20mm 3455LF1-020 3455LS1-020
To Order Knob Only:
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.
To Order Body Including Nut(s) Only:
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) 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
¼” NEMA/DIN QC (Rt. Angle) 3453LF7-010 3453HS7-010 3453RF7-010 3453QS7-010
¼”NEMA/DIN QC (Straight) 3453LF8-010 3453HS8-010 3453RF8-010 3453QS8-010
***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob.