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Cartridge Fuse Holders

Enclosed Fuseholders > Panel Mounted

345 Series Shock-Safe Panel Mount Enclosed Fuse Holders

Product Characteristics

Compatible

Fuses

RoHS

For 3AB, 3AG, 5×20mm, or 2AG Fuses

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.

Insulation Resistance: 10,000 megohm minimum at

500 VDC. Contact Resistance: Less than .005 ohm

average at currents up to 1 ampere.

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.

Body Material: Black glass-filled thermoplastic (UL

94V0).

Grey, blue or black glass-filled thermoplastic (UL94 V-0)

Hex Nut Material: Black glass-filled thermoplastic.

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.

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.

–40ºC to +85ºC.

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.

Description

Electrical

Mounting

Molded Parts

Knob Material

Knob

Terminals

Ambient

Temperature

Hardware

* Please refer to Fuseology section for information on proper fuseholder re-rating.

Additional Information

Agency Approval

Agency

Agency File 3AG/AB

Number

E14721

7316

40001642

20A 250V

10A 250V

5×20mm

20A 250V

10A 250V

2AG

10A 250V

—

Datasheet

Resources

Samples

Specifications are subject to change without notice. Application testing is strongly recommended.

Revised: 02/05/18

Cartridge Fuse Holders

Enclosed Fuseholders > Panel Mounted

Dimensions

Terminal Styles

.090" x .160"

HOLE

1.59"

special 1/2" thread

.070"

HOLE

Low Proﬁle Fingergrip Knob

special 1/2" thread

.60" DIA.

.41"

.055"

HOLE

.187"

Rear Mount Fingergrip Knob

High Proﬁle Screwdriver Slot Knob

.04"x.25"

FUS

Low Proﬁle Screwdriver Slot Knob

.04"x.25"

Quick Mount Screwdriver Slot Knob

.04"x.25"

FUS

Ordering Part Numbering System to order complete fuse holder (body and knob)

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.

Fuse Size

2AG

.177" x .570"

3AG

.250" x 1.250"

5 x 20mm

.197" x .787"

Note - If accessory is needed, add the "X" as filler on the ordering part number

FUS

.250"

1/4" NEMA/DIN

QUICK CONNECT

.65" DIA.

.50" MIN.

1.50" MAX.

special 1/2" thread

3/16" DUAL

PURPOSE

SOLDER/QUICK

CONNECT

Suggested Mounting Holes

.475"

.480"

.500"

.505"

.460"

.465"

3/16" NEMA

QUICK CONNECT

Bottom Terminal

Right Angle Straight

.187" QC .53" .30" .020"

.250" QC .59" .36" .032"

.60" DIA.

.40"

1.35"

special 1/2" thread

.60" DIA.

.16"

1.59"

"Push-On" Type Retaining Nut

for Quick Mount Fuseholder

Plastic Hex Nut with Flange

.19"

.65"

DIA.

.63"

.60" DIA.

.91" DIA.

.16"

1.59"

SPECIAL

1/2" THREAD

.558"

HEX.

Series Name

0 345 3 LS 7 H X L N P

Style

Low Profile Body

Black Fingergrip Knob

Rear Mount Body

Black Fingergrip Knob

High Profile Body

Screwdriver Slot Knob

Low Profile Body

Screwdriver Slot Knob

Quick Mount Body

Screwdriver Slot Knob

2AG - Blue Knob

3AG - Grey Knob

5 x 20mm - Black Knob

Terminals

3/16" (Rt. Angle)

Dual Purpose Solder/QC

3/16" (Straight)

Dual Purpose Solder/QC

3/16" (Rt. Angle)

NEMA QC

3/16" (Straight)

NEMA QC

1/4" (Rt. Angle)

NEMA/DIN QC

1/4" (Rt. Angle)

NEMA/DIN QC

Packing

For 100 Pieces (Bulk)

Accessory*

Lockwasher

Neoprene Washer

Drip-Proof "O" Ring**

with Neoprene Washer

*Optional (L,N,P) can be ordered

individually or in combination

**Screwdriver slot knob only

Specifications are subject to change without notice.

Revised: 02/05/18

Cartridge Fuse Holders

Enclosed Fuseholders > Panel Mounted

To Order Body Including Nut(s) Only

Terminal Style

3/16” Dual Purpose

3/16” NEMA QC

3/16”NEMA QC

¼” NEMA/DIN QC

¼”NEMA/DIN QC

Bottom Terminal

(Rt. Angle)

(Straight)

(Rt. Angle)

(Straight)

(Rt. Angle)

(Straight)

Low Profile Body

Part Number***

03453QS4ZX010

High Profile Body

Part Number

03453QS4ZX010

Rear Mount Body

Part Number

03453QS4ZX010

Quick Mount Body

Part Number

03453QS4ZX010

03453QS8ZX010

***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob.

Z - 100 pieces (Bulk)

X - Filler

To Order Knob Only

Fuse Size

2AG

3AG

5 × 20mm

H - 100 Pieces (Bulk)

X - Filler

To Order Accesories Only

Fingergrip Knob

03452LF1HX020

03453LF1HX020

Screwdriver Slot

Knob

03453LF1HX020

Accesory

ACS Rubber Washer

ACS Nut

ACS Lockwasher

ACS O-Ring

H - 100 Pieces (Bulk)

Packaging

Bulk (100 pieces)

Part Number

09010002H

09030097H

09050023H

09010134H

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.

Specifications are subject to change without notice.

Revised: 02/05/18