Littelfuse 344 User Manual
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted
344 Series Blown Fuse Indicating Holders for 3AG Fuses
Product Characteristics
344 000 Series 344 400 Series
Dimensions
344 000 Series
RUBBER WASHER
.94"
344 400 Series
RUBBER WASHER
.94"
LOCK WASHER
HEX NUT
.81"
2.38" MAXIMUM
WITH FUSE INSTALLED
LOCK WASHER
HEX NUT
.11"
DIA.
.09" x .13"
HOLE
IN SIDE
TERMINAL
.11"
DIA.
.627"
.635"
.567"
.575"
Compatible
Fuses
Electrical
Mounting
Molded Parts
Knob Bayonet style.
Terminals Copper & copper alloy. Tin plated.
Ambient
Temperature
Hardware
* Ensure that proper de-rating is factored in fuseholder selection.
3AG
Rated at 20 amperes at lamp voltage shown below.
Dielectric: withstanding voltage exceeds 1500 volts. All
fuseholders are supplied with a resistor. When designing
indicating type fuseholders into a circuit, consideration
should be given to the resistance of fractional amperage
fuses and the parallel resistance of the indicator lamp
and 7its resistor.
Withstands 15 lb.-in. mounting torque. Maximum panel
thickness is .250”.
Black Thermoplastic (UL94 V-0), except lens is
thermoplastic (UL94 V-2). See Table below for lens color.
–40ºC to +85ºC.
Neoprene washer, lockwasher & hex nut
unassembled. O-ring option available must
be ordered separately using part numer
901-108.
Agency Approvals
Agency Agency File Number
E14721
1. 10"
2.67" MAXIMUM
WITH FUSE INSTALLED
Additional Information
Datasheet
Resources
Samples
Ordering Information
Catalog Number
344 000
Series
(Bar
Knob)
344 006 344 401 2.5 to 7
344 012 344 402 7 to 16
344 024 344 403 16 to 32
344 125 344 404
344 250 344 405
344
400
Series
(Round
Knob)
Voltage
Range
100 to
125
200 to
250
Lamp Type
Rating
6V
Incandescent
14V
Incandescent
28V
Incandescent
Neon
Neon
Lamp
Current
Rear
Lens
Color
Panel
.20 amp Amber
.08 amp Amber
.04 amp Amber
.002
amp
.002
amp
Clear
Clear
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
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