345 LITTELFUSE | Alldatasheet
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© 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/05/18 Enclosed Fuseholders > Panel Mounted Cartridge Fuse Holders RoHS Pb Product Characteristics Compatible Fuses For 3AB, 3AG, 5×20mm, or 2AG Fuses
Description
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. Electrical Insulation Resistance: 10,000 megohm minimum at 500 VDC. Contact Resistance: Less than .005 ohm average at currents up to 1 ampere. Mounting 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. Molded Parts Body Material: Black glass-filled thermoplastic (UL 94V0). Knob Material Grey, blue or black glass-filled thermoplastic (UL94 V-0) Hex Nut Material: Black glass-filled thermoplastic. Knob 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. T erminals 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. Ambient T emperature –40ºC to +85ºC. Hardware 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. * Please refer to Fuseology section for information on proper fuseholder re-rating.
345 Series Shock-Safe Panel Mount Enclosed Fuse Holders
3AG/AB 5×20mm 2AG E14721 20A 250V 20A 250V 10A 250V 7316 20A 250V 20A 250V 10A 250V 40001642 10A 250V 10A 250V — Application testing is strongly recommended. Additional Information Datasheet SamplesResources
© 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/05/18 Enclosed Fuseholders > Panel Mounted Cartridge Fuse Holders Ordering Part Numbering System to order complete fuse holder (body and knob) Dimensions FUSE FUSE FUSE FUSE .60" DIA. .65" DIA. .41" 1.59" .50" MIN. 1.50" MAX. Low Profile Fingergrip Knob Rear Mount Fingergrip Knob special 1/2" thread special 1/2" thread special 1/2" thread special 1/2" thread FUSE FUSE .40" 1.35" High Profile Screwdriver Slot Knob .04"x.25" FUSE FUSE .16" 1.59" Low Profile Screwdriver Slot Knob .04"x.25" FUSE FUSE .16" 1.59" Quick Mount Screwdriver Slot Knob .04"x.25" Terminal Styles Suggested Mounting Holes Bottom Terminal .090" x .160" HOLE .055" HOLE .070" HOLE 3/16" DUAL PURPOSE SOLDER/QUICK CONNECT 1/4" NEMA/DIN QUICK CONNECT 3/16" NEMA QUICK CONNECT .187" .187" .250" .475" .480" .460" .465" .500" .505" A B C AB C .187" QC .250" QC .53" .30" .020" .59" .36" .032" Right Angle Straight "Push-On" Type Retaining Nut for Quick Mount Fuseholder Plastic Hex Nut with Flange .91" DIA. .63" .19" .65" DIA. .558" HEX. SPECIAL 1/2" THREAD .60" DIA. .60" DIA. .60" DIA. Accessory* L Lockwasher N Neoprene Washer P Drip-Proof "O" Ring** with Neoprene Washer Packing H For 100 Pieces (Bulk) 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 Style LF Low Profile Body Black Fingergrip Knob RF Rear Mount Body Black Fingergrip Knob HS High Profile Body Screwdriver Slot Knob LS Low Profile Body Screwdriver Slot Knob QS Quick Mount Body Screwdriver Slot Knob Screwdriver Slot Knob 2AG - Blue Knob 3AG - Grey Knob 5 x 20mm - Black Knob Fuse Size 2AG .177" x .570" 3AG .250" x 1.250" 5 x 20mm .197" x .787" 0 345 3 LS 7 H X L N P Series Name *Optional (L,N,P) can be ordered individually or in combination **Screwdriver slot knob only 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. Note - If accessory is needed, add the "X" as filler on the ordering part number
© 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 02/05/18 Enclosed Fuseholders > Panel Mounted Cartridge Fuse Holders Fuse Size Fingergrip Knob Screwdriver Slot Knob 2AG 03452LF1HX020 03453LF1HX020 3AG 03453LF1HX020 03453LF1HX020 5 × 20mm 03453LF1HX020 03453LF1HX020 H - 100 Pieces (Bulk) X - Filler Terminal Style Bottom Terminal Low Profile Body Part Number* High Profile Body Part Number Rear Mount Body Part Number Quick Mount Body Part Number 3/16” Dual Purpose (Rt. Angle) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 3/16” Dual Purpose (Straight) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 3/16” NEMA QC (Rt. Angle) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 3/16”NEMA QC (Straight) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 ¼” NEMA/DIN QC (Rt. Angle) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS8ZX010 ¼”NEMA/DIN QC (Straight) 03453QS4ZX010 03453QS4ZX010 03453QS4ZX010 03453QS8ZX010 *Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob. Z - 100 pieces (Bulk) X - Filler T o Order Body Including Nut(s) Only T o Order Knob Only 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. T o Order Accesories Only Accesory Packaging Part Number ACS Rubber Washer Bulk (100 pieces) 09010002H ACS Nut Bulk (100 pieces) 09030097H ACS Lockwasher Bulk (100 pieces) 09050023H ACS O-Ring Bulk (100 pieces) 09010134H H - 100 Pieces (Bulk)