Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted 345 Series Shock-Safe Panel Mount Enclosed Fuse Holders RoHS Pb Product Characteristics Compatible For 3AB, 3AG, 5×20mm, or 2AG Fuses 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 Description 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 Electrical 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” Mounting 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 Molded Parts 94V0). Grey, blue or black glass-filled thermoplastic (UL94 V-0) Knob Material Hex Nut Material: Black glass-filled thermoplastic. Finger-Grip, Fuse Extractor type or Screwdriver Slot, Fuse Extractor type with plated copper alloy insert. Knob 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 Terminals Quick-Connect receptacle. .187” terminal for NEMA Quick-Connect and .250” terminal for NEMA/DIN Quick- Connect available. Ambient –40ºC to +85ºC. Temperature 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. Hardware 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. Additional Information Agency Approval Agency File Agency 3AG/AB 5×20mm 2AG Number E14721 20A 250V 20A 250V 10A 250V Datasheet Resources Samples 7316 20A 250V 20A 250V 10A 250V 40001642 10A 250V 10A 250V — © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/22/19

Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted Dimensions Terminal Styles Low Profile Fingergrip Knob special 1/2" thread EFSUSUEF .60" DIA. .090H"O xL .E160" H.0O5L5E" H.0O7L0E" .41" 1.59" Rear Mount Fingergrip Knob .187" .187" .250" special 1/2" thread 3/16" DUAL 3/16" NEMA 1/4" NEMA/DIN EFSUSUEF .65" DIA. SOCPLUDORENRPNO/EQSCUETICK QUICK CONNECT QUICK CONNECT Bottom Terminal .50" MIN. 1.50" MAX. Suggested Mounting Holes Right Angle Straight High Profile Screwdriver Slot Knob .04"x.25" special 1/2" thread .475" .460" B .480" .465" C EFSUSUE F .60" DIA. ..550005"" A .40" 1.35" A B C Low Profile Screwdriver Slot Knob .187" QC .53" .30" .020" .04"x.25" special 1/2" thread .250" QC .59" .36" .032" EFSUSUE F .60" DIA. "Pfours hQ-uOinck" TMyopuen Rt eFtuasineihnogl dNeurt Plastic Hex Nu t with Flange .16" 1.59" .65" Quick Mount Screwdri ver S´lot Knob .19" DIA. .04"x.25" .63" EFSUSUE F .60" DIA. .91" DIA. SPECIAL .558" .16" 1.59" 1/2" THREAD HEX. 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. 0 345 3 LS 7 H X L N P Series Name Fuse Size Style Terminals Packing Accessory* 2 LF 1 H L 2AG Low Profile Body 3/16" (Rt. Angle) For 100 Pieces (Bulk) Lockwasher .177" x .570" Black Fingergrip Knob Dual Purpose Solder/QC 3 RF 2 N 3AG Rear Mount Body 3/16" (Straight) Neoprene Washer .250" x 1.250" Black Fingergrip Knob Dual Purpose Solder/QC 5 HS 3 P 5 x 20mm High Profile Body 3/16" (Rt. Angle) Drip-Proof "O" Ring** .197" x .787" Screwdriver Slot Knob NEMA QC with Neoprene Washer LS 4 *Optional (L,N,P) can be ordered Low Profile Body 3/16" (Straight) individually or in combination Screwdriver Slot Knob NEMA QC **Screwdriver slot knob only QS 7 Quick Mount Body 1/4" (Rt. Angle) Screwdriver Slot Knob NEMA/DIN QC Screwdriver Slot Knob 8 2AG - Blue Knob 1/4" (Rt. Angle) 3AG - Grey Knob NEMA/DIN QC 5 x 20mm - Black Knob Note - If accessory is needed, add the "X" as filler on the ordering part number © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/22/19

Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted To Order Body Including Nut(s) Only Low Profile Body Part High Profile Body Part Rear Mount Body Part Quick Mount Body Terminal Style Bottom Terminal Number*** Number Number Part Number 3/16” Dual Purpose (Rt. Angle) 03453LF1ZX010 03453HS1ZX010 03453RF1ZX010 03453QS1ZX010 3/16” Dual Purpose (Straight) 03453LF2ZX010 03453HS2ZX010 03453RF2ZX010 03453QS2ZX010 3/16” NEMA QC (Rt. Angle) 03453LF3ZX010 03453HS3ZX010 03453RF3ZX010 03453QS3ZX010 3/16”NEMA QC (Straight) 03453LF4ZX010 03453HS4ZX010 03453RF4ZX010 03453QS4ZX010 ¼” NEMA/DIN QC (Rt. Angle) 03453LF7ZX010 03453HS7ZX010 03453RF7ZX010 03453QS7ZX010 ¼”NEMA/DIN QC (Straight) 03453LF8ZX010 03453HS8ZX010 03453RF8ZX010 03453QS8ZX010 ***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob. Z - 100 pieces (Bulk) X - Filler To Order Knob Only To Order Accesories Only Fuse Size Fingergrip Knob Screwdriver Slot Knob Accesory Packaging Part Number 2AG 03452LF1HX020 03452LS1HX020 ACS Rubber Washer Bulk (100 pieces) 09010002H 3AG 03453LF1HX020 03453LS1HX020 ACS Nut Bulk (100 pieces) 09030097H 5 × 20mm 03455LF1HX020 03455LS1HX020 ACS Lockwasher Bulk (100 pieces) 09050023H H - 100 Pieces (Bulk) ACS O-Ring Bulk (100 pieces) 09010134H X - Filler H - 100 Pieces (Bulk) 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. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/22/19

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: L ittelfuse: 3453LF4-010 03455LS7HXLNP 03455LS8HXLNP 3453HS2-010 3453LF1-020 3453RF1-010 03453LS1HXLNP 03455LS2HXLNP 03455LF1HXL 03453LF2HX040 03453LS7HXLNP 03453QS1HX040 03453RF1HX040 03455LF1HXLN 03453LS2HXLN 03452LF8H 03453HS8X 03452HS1H 03452RF8H 03452RF8X 03453HS1X 03453LF8HXN 03453LS1HXLN 03453QS3H 03455HS1H 03455HS2X 03455RF3X 03452LF3H 03452RF1X 03453HS2ZX010 03455HS3X 03455LF2X 03455LF3X 03453HS2H 03455HS7X 03455QS8HXL 03453LF1HXLN 03455LS1HXNP 03452LS3H 03453HS3X 03453LF8HXL 03453QS7ZX010 03453RF1HXL 03453RF2HXN 03452LF7H 03452LF8X 03453HS1ZX010 03453LF3ZX010 03453LS3X 03455LS3X 03453LF2H 03453LF3H 03453LS8HXL 03455QS8X 03452LF2H 03452QS1H 03452QS8H 03453HS4X 03453LS1X 03455LS8X 03455QS8H 03455RF8X 03453RF8HXN 03452HS3X 03453LS8HXP 03453LF8H 03455LS7X 03453LF3HXLN 03455LS8H 03455QS4H 03452QS4H 03453HS1HXLN 03453LS7H 03455LF1X 03452LS1HX020 03453LS3HXLN 03453QS1X 03453RF2X 03452RF3X 03453QS8ZX010 03455LF8X 03455RF7H 03455RF7X 03452HS4X 03452LF1X 03453QS8X 03455HS2H 03455RF2H 03452HS7H 03452LS4H 03452RF7H 03453HS3ZX010 03455LS3H 03455QS1X 03452QS8X 03452RF2X 03452RF7X 03453LF1H 03453LF4H 03453QS8HXL