Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted 344 Series Blown Fuse Indicating Holders for 3AG and 3AB Fuses Product Characteristics Compatible 3AG Fuses 3AB Rated at 20 amperes at lamp voltage shown below. Dielectric: withstanding voltage exceeds 1500 volts. All fuseholders are supplied with a resistor. When designing Electrical 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 Mounting thickness is .250”. 344 000 Series 344 400 Series Black Body and knob are thermoset (UL94 V-0), except Molded Parts lens is thermoplastic (UL 94HB). See Table below for lens color. Knob Bayonet style. Dimensions Terminals Copper & copper alloy. Tin plated. 344 000 Series Ambient RUBBER WASHER LOCK WASHER –40ºC to +85ºC. Temperature HEX NUT .11" Neoprene washer, lockwasher & hex nut .94" DIA. Hardware unassembled. O-ring option available must be ordered separately using part number 901-108. .81" .09" x .13" * Ensure that proper re-rating is factored in fuseholder selection. HOLE 2.38" MAXIMUM IN SIDE WITH FUSE INSTALLED TERMINAL Agency Approvals .627" .635" 344 400 Series Agency Agency File Number RUBBER WASHER LOCK WASHER HEX NUT ..556775"" E14721 .11" .91" DIA. Ordering Information 1.10" 2.67" MAXIMUM WITH FUSE INSTALLED Catalog Number 344 Lamp 344 000 400 Voltage Lamp Type Current Lens Series Series Range Rating Rear Color (Bar (Round Panel Knob) Additional Information Knob) 6V 344 006 344 401 2.5 to 7 .20 amp Amber Incandescent 14V 344 012 344 402 7 to 16 .08 amp Amber Incandescent Datasheet Resources Samples 28V 344 024 344 403 16 to 32 .04 amp Amber Incandescent 100 to .002 344 125 344 404 Neon Clear 125 amp 200 to .002 344 250 344 405 Neon Clear 250 amp © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 05/19/15