Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 HV Series Panel Mount Enclosed Fuse Holders
RoHS
Pb
Product Characteristics
Compatible
Fuses
Agency Approval
Agency
Agency File
Number
3AG/AB
Description
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.
Electrical
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.
Mounting
Threaded styles withstand 15 in.-lb. mounting torque.
Low profile and High profile panel thickness: .032”
min./.310” max.
Molded Parts
Body Material: Black glass-filled thermoplastic (UL
94V0).
Knob Material
Grey or black glass-filled thermoplastic (UL94 V-0) Hex
Nut Material: Black glass-filled thermoplastic.
Knob
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
Plated cooper alloy, A-187; dual purpose terminal
accepts wire for soldering or a Quick-Connect
receptacle.
Ambient
Temperature
–40ºC to +85ºC.
Hardware
Threaded style fuseholders are supplied with a
thermoplastic hex nut unassembled.
5×20mm
E14721
20A, 600V
20A, 600V
7316
20A, 600V
20A, 600V
For 3AB/3AG, 5×20mm Fuses
* Please refer to Fuseology section for information on proper fuseholder re-rating.
Additional Information
Datasheet
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 12/19/17
Resources
Samples
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 HV Series Panel Mount Enclosed Fuse Holders
Dimensions
Terminal Styles
Low Profile Screwdriver Slot Knob
.65" DIA.
(16.5)
KNOB - GRAY: 0345601, 0345611
BLACK: 0345621, 0345631
.090" x .160"
[2.3mm x 4.1mm]
HOLE
.187"
1.50
(38.1)
1.66
(42.2)
0.37
(9.4)
[4.8mm]
1/2-32 (2A)
DOUBLE-LEAD
THREAD
3/16" DUAL
PURPOSE
SOLDER/QUICK
CONNECT
Bottom Terminal
Suggested Mounting Holes
Right Angle Straight
.475"
[12.1]
.460"
.502" [12.8]
.510" [13.0]
High Profile Screwdriver Slot Knob
.65" DIA.
(16.5)
KNOB - GRAY: 0345602, 0345612
BLACK: 0345622, 0345632
0.37
(9.4)
.480"
[12.2]
1.21
(30.7)
1.66
(42.2)
A
.465"
[11.8]
A
C
Plastic Hex Nut with Flange
.65"
[16.5]
DIA.
.19"
[4.8]
.63" [16]
.91" [23.1] DIA.
Low Profile Fingergrip Knob
.558"
[14.2]
HEX.
SPECIAL
1/2" THREAD
.65" DIA.
(16.5)
0.37
(9.4)
B
in. .62" .37" .020"
mm 15.7 9.4 0.5
"Push-On" Type Retaining Nut
for Quick Mount Fuseholder
1/2-32 (2A)
DOUBLE-LEAD
THREAD
B
C
{11.7]
1/2-32 (2A)
DOUBLE-LEAD
THREAD
1.21
(30.7)
Rear Mount Fingergrip Knob
.65" DIA.
(16.5)
1.66
(42.2)
Fast Mount Low Profile Screwdriver Slot Knob
KNOB - GRAY: 0345701, 0345711
BLACK: 0345721, 0345731
8º|
+5º|
/-3º|
.65" DIA.
(16.5)
.020
(.51)
1/2-32 (2A)
DOUBLE-LEAD
THREAD
1.50
(38.1)
1.66
(42.2)
0.37
(9.4)
0.80
(20.3)
Part Numbering System
Part Number
(3AG/AB)
5x20mm
Knob Type
Low
Profile
X
03450601H
03450621H
Screwdriver Slot
03450602H
03450622H
Screwdriver Slot
High
Profile
Front
Mount
Rear
Mount
Rt. Angle
Terminal
Straight
Terminal
Packing
X
X
Bulk (100 pieces)
X
X
X
Bulk (100 pieces)
X
X
X
03450603H
03450623H
Finger Grip
03450611H
03450631H
Screwdriver Slot
03450612H
03450632H
Screwdriver Slot
X
X
X
Bulk (100 pieces)
03450613H
03450633H
Finger Grip
X
X
X
Bulk (100 pieces)
03450701H
--
Screwdriver Slot
X
X
03450711H
--
Screwdriver Slot
X
X
X
X
Bulk (100 pieces)
X
X
Bulk (100 pieces)
X
03450903H
03450923H
Finger Grip
X
X
03450913H
03450933H
Finger Grip
X
X
Bulk (100 pieces)
X
Bulk (100 pieces)
Bulk (100 pieces)
X
Bulk (100 pieces)
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/17
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
345 HV Series Shock Safe Circuit Board Mount Enclosed Fuse Holders
RoHS
Pb
Product Characteristics
3AG
3AB
5×20mm
Compatible Fuse
Types
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.
Description
Agency Approvals
Agency
Agency File Number
E14721
* Please refer to Fuseology section for information on proper fuseholder re-rating.
Dimensions
.49"
[12.5]
1.77"
[45.0]
.44" [11.2]
.598"
[15.2]
.602"
[15.3]
.698"
[17.7]
.702"
[17.8]
Dielectric Strength
4000 volts minimum.
Mounting: Intended for soldering to printed circuit boards.
Molded Parts
Body Material: Black glass-filled thermoplastic (UL 94V0).
Knob
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)
Terminals
Brass. Tin-plated.
Ambient Temperature
–40ºC to +85ºC.
Ordering
Part Number
133923
.20" [5.1]
.24" [6.1]
Insulation Resistance: 10,000 megohm minimum at 500 VDC.
Contact Resistance: Less than .005 ohm average at a current
of one ampere.
Ordering Information
7316
.68"
[17.3]
Electrical
.48" [12.2]
.12" [3.1]
.040"
[1.0]
.242" [6.2]
.246" [6.3]
.056" [1.4]
DIA.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 12/19/17
Catalog
Number
Fuse Size
Packing
03450101H
345 101
¼” × 1¼” Fuses
Bulk (100 pieces)
03450121H
345 121
5 × 20mm Fuses
Bulk (100 pieces)
Body only:
03450101HX010
Knob only:
03450101HX020 (¼” × 1¼”) Grey;
03450121HX020 (5 × 20mm) Black.
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