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 — © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/20

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" (Straight) 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 © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/20

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. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/20