Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted 344 Series Blown Fuse Indicating Holders for 3AG and 3AB Fuses Product Characteristics 344 000 Series 3AG 3AB Electrical 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. Mounting Withstands 15 lb.-in. mounting torque. Maximum panel thickness is .250". Molded Parts Black Body and knob are thermoset (UL94 V-0), except lens is thermoplastic (UL 94HB). See Table below for lens color. Knob Bayonet style. Terminals Copper & copper alloy. Tin plated. Ambient Temperature -40C to +85C. Hardware Neoprene washer, lockwasher & hex nut unassembled. O-ring option available must be ordered separately using part number 901-108. 344 400 Series Dimensions 344 000 Series LOCK WASHER HEX NUT RUBBER WASHER .11" DIA. .94" .81" 2.38" MAXIMUM WITH FUSE INSTALLED .09" x .13" HOLE IN SIDE TERMINAL * Ensure that proper re-rating is factored in fuseholder selection. Agency Approvals .627" .635" 344 400 Series Agency LOCK WASHER HEX NUT RUBBER WASHER .567" .575" Agency File Number E14721 .11" DIA. .91" Ordering Information 1.10" 2.67" MAXIMUM WITH FUSE INSTALLED Catalog Number Additional Information Datasheet Compatible Fuses Resources Voltage Range Lamp Type Rating Lamp Current Rear Panel Lens Color 344 401 2.5 to 7 6V Incandescent .20 amp Amber 344 012 344 402 7 to 16 14V Incandescent .08 amp Amber 344 024 344 403 16 to 32 28V Incandescent .04 amp Amber 344 125 344 404 100 to 125 Neon .002 amp Clear 344 250 344 405 200 to 250 Neon .002 amp Clear 344 000 Series (Bar Knob) 344 400 Series (Round Knob) 344 006 Samples (c) 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 05/19/15