Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 Series Panel Mount Enclosed Fuse Holders
Product Characteristics
Compatible
Fuses
RoHS
Pb
For 3AB/3AG, 5×20mm Fuses
Designed to eliminate the possibility of electrical
shock, as defined in IEC standards 60127-6. The
universal fuseholder body will accept 3AB, 3AG, and
5 × 20mm fuse sizes.
Insulation Resistance: 10,000 megohm minimum at
500 VDC. Contact Resistance: Less than .005 ohm
average at currents up to 1 ampere. Dielectric Strength:
4,000 volts minimum.
Threaded styles withstand 15 in.-lb. mounting torque.
Low profile and High profile panel thickness: .032”
min./.310” max.
Body Material: Black glass-filled thermoplastic (UL
94V0).
Grey or black glass-filled thermoplastic (UL94 V-0) Hex
Nut Material: Black glass-filled thermoplastic.
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.
Plated cooper alloy, A-187; dual purpose terminal
accepts wire for soldering or a Quick-Connect
receptacle.
–40ºC to +85ºC.
Description
Electrical
Mounting
Molded Parts
Knob Material
Additional Information
Knob
Datasheet
Resources
Samples
Terminals
Ambient
Temperature
* Please refer to Fuseology section for information on proper fuseholder re-rating.
Agency Approval
Agency
Agency File
Number
E14721
7316
3AG/AB
20A, 600V
20A, 600V
5×20mm
20A, 600V
20A, 600V
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 06/20/17
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 Series Panel Mount Enclosed Fuse Holders
Dimensions
Low Profile Screwdriver Slot Knob
.65" DIA.
(16.5)
Terminal Styles
.090" x .160"
HOLE
KNOB - GRAY: 0345601, 0345611
BLACK: 0345621, 0345631
0.37
(9.4)
High Profile Screwdriver Slot Knob
.65" DIA.
(16.5)
1.50
(38.1)
1.66
(42.2)
1/2-32 (2A)
DOUBLE-LEAD
THREAD
.187"
3/16" DUAL
PURPOSE
SOLDER/QUICK
CONNECT
Bottom Terminal
Suggested Mounting Holes
Right Angle Straight
.475"
.480"
.502"
.510"
.460"
.465"
A
A
B
C
.62" .37" .020"
"Push-On" Type Retaining Nut
for Quick Mount Fuseholder
C
B
KNOB - GRAY: 0345602, 0345612
BLACK: 0345622, 0345632
0.37
(9.4)
Low Profile Fingergrip Knob
.65" DIA.
(16.5)
1.21
(30.7)
1.66
(42.2)
1/2-32 (2A)
DOUBLE-LEAD
THREAD
Plastic Hex Nut with Flange
.19"
.65"
DIA.
.63"
0.37
(9.4)
1.21
(30.7)
1.66
(42.2)
1/2-32 (2A)
DOUBLE-LEAD
THREAD
.91" DIA.
SPECIAL
1/2" THREAD
.558"
HEX.
Fast Mount Low Profile Screwdriver Slot Knob
.65" DIA.
(16.5)
KNOB - GRAY: 0345701, 0345711
BLACK: 0345721, 0345731
+5|
-3|
8|
Rear Mount Fingergrip Knob
.65" DIA.
(16.5)
.020
(.51)
0.80
(20.3)
0.37
(9.4)
1.50
(38.1)
1.66
(42.2)
1/2-32 (2A)
DOUBLE-LEAD
THREAD
Part Numbering System
Part Number
(3AG/AB)
03450601H
03450602H
03450603H
03450611H
03450612H
03450613H
03450701H
03450711H
03450903H
03450913H
5x20mm
03450621H
03450622H
03450623H
03450631H
03450632H
03450633H
--
--
03450923H
03450933H
Knob Type
Screwdriver Slot
Screwdriver Slot
Finger Grip
Screwdriver Slot
Screwdriver Slot
Finger Grip
Screwdriver Slot
Screwdriver Slot
Finger Grip
Finger Grip
X
X
X
X
X
X
X
Low
Profile
X
X
X
High
Profile
Front
Mount
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Rear
Mount
Rt. Angle
Terminal
X
X
X
X
X
X
Straight
Terminal
Packing
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
Bulk (100 pieces)
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/20/17
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 Series Shock Safe Circuit Board Mount Enclosed Fuse Holders
Product Characteristics
Compatible Fuse
Types
3AG
3AB
5×20mm
RoHS
Pb
Description
Similar to our Shock-Safe panel mount fuseholders, this
series is designed per IEC Standards 60127-6. Two different
knob styles available are available for use with 3AG and 3AB
(¼” × 1¼”) or 5 × 20mm fuses.
Insulation Resistance: 10,000 megohm minimum at 500 VDC.
Contact Resistance: Less than .005 ohm average at a current
of one ampere.
4000 volts minimum.
Mounting: Intended for soldering to printed circuit boards.
Body Material: Black glass-filled thermoplastic (UL 94V0).
Screwdriver slot, fuse extractor type with nickel-plated, copper
alloy insert. Spring-loaded, bayonet style.
Knob Material: Grey or Black glass-filled thermoplastic (UL94
V-0)
Brass. Tin-plated.
–40ºC to +85ºC.
Electrical
Dielectric Strength
Molded Parts
Knob
Dimensions
.49"
Terminals
Ambient Temperature
1.77"
.44"
.68"
.20"
.24"
Agency Approvals
.48"
.12"
.040"
E14721
7316
Agency
Agency File Number
.598"
.602"
.698"
.702"
.242"
.246"
.056"
DIA.
133923
* Please refer to Fuseology section for information on proper fuseholder re-rating.
Ordering Information
Ordering
Part Number
03450101H
03450121H
Body only:
Knob only:
Catalog
Number
345 101
345 121
Fuse Size
¼” × 1¼” Fuses
5 × 20mm Fuses
Packing
Bulk (100 pieces)
Bulk (100 pieces)
03450101HX010
03450101HX020 (¼” × 1¼”) Grey;
03450121HX020 (5 × 20mm) Black.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 06/20/17
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