Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted 345 Series Shock-Safe Panel Mount Enclosed Fuse Holders RoHS Pb Product Characteristics Compatible Fuses For 3AB, 3AG, 5x20mm, 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 x 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 1/4" 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. Terminals 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 Temperature -40C to +85C. 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. * Please refer to Fuseology section for information on proper fuseholder re-rating. Agency Approval Additional Information Datasheet Resources (c) 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/09/15 Agency Samples Agency File 3AG Number 5x20mm 2AG E14721 20A 250V 10A 250V 10A 250V 7316 20A 250V 10A 250V 10A 250V 40001642 10A 250V 10A 250V -- Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted Dimensions Low Profile Fingergrip Knob .090" x .160" HOLE .60" DIA. E E F US FUS .41" 1.59" Rear Mount Fingergrip Knob US special 1/2" thread .65" DIA. E E F Terminal Styles special 1/2" thread 1.50" MAX. FUS .50" MIN. special 1/2" thread .187" .250" 3/16" NEMA QUICK CONNECT 1/4" NEMA/DIN QUICK CONNECT .475" .480" Bottom Terminal Right Angle Straight .460" .465" C .500" .505" .60" DIA. E E F US .187" 3/16" DUAL PURPOSE SOLDER/QUICK CONNECT Suggested Mounting Holes High Profile Screwdriver Slot Knob .04"x.25" .070" HOLE .055" HOLE A 1.35" FUS .40" A B C .187" QC .53" .30" .020" .250" QC .59" .36" .032" Low Profile Screwdriver Slot Knob special 1/2" thread .04"x.25" .60" DIA. E E F US "Push-On" Type Retaining Nut for Quick Mount Fuseholder FU S .16" Quick Mount Screwdriver Slot Knob Plastic Hex Nut with Flange 1.59" .65" DIA. .19" .04"x.25" .63" US .60" DIA. E E F B FUS .91" DIA. SPECIAL 1/2" THREAD 1.59" .16" .558" HEX. Part Numbering System EXAMPLE: (Complete Assembly with Options) Series Number 345 3 LS 7 L N P Options* Fuse Size Style Terminals 2 LF 1 L 2AG .177" x .570" Low Profile Body Black Fingergrip Knob 3/16" (Rt. Angle) Dual Purpose Solder/QC Lockwasher 3 RF 2 3AG .250" x 1.250" Rear Mount Body Black Fingergrip Knob 3/16" (Straight) Dual Purpose Solder/QC N Neoprene Washer NP Drip-Proof "O" Ring** with Neoprene Washer 3 5 HS 5 x 20mm .197" x .787" 3/16" (Rt. Angle) NEMA QC High Profile Body Screwdriver Slot Knob 4 LS 3/16" (Straight) NEMA QC Low Profile Body Screwdriver Slot Knob **Options (L, N, NP) can be ordered individually or in combination. **Screwdriver slot knob only. 7 QS 1/4" (Rt. Angle) NEMA/DIN QC Quick Mount Body Screwdriver Slot Knob To Order Knob Only: 8 1/4" (Straight) NEMA/DIN QC Screwdriver Slot Knob 2AG -- Blue Knob 3AG -- Grey Knob 5 x 20mm -- Black Knob Fuse Size Fingergrip Knob Screwdriver Slot Knob 2AG 3452LF1-020 3452LS1-020 3AG 3453LF1-020 3453LS1-020 5 x 20mm 3455LF1-020 3455LS1-020 To Order Body Including Nut(s) Only: 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) 3453LF1-010 3453HS1-010 3453RF1-010 3453QS1-010 3/16" Dual Purpose (Straight) 3453LF2-010 3453HS2-010 3453RF2-010 3453QS2-010 3/16" NEMA QC (Rt. Angle) 3453LF3-010 3453HS3-010 3453RF3-010 3453QS3-010 3453QS4-010 3/16"NEMA QC (Straight) 3453LF4-010 3453HS4-010 3453RF4-010 1/4" NEMA/DIN QC (Rt. Angle) 3453LF7-010 3453HS7-010 3453RF7-010 3453QS7-010 1/4"NEMA/DIN QC (Straight) 3453LF8-010 3453HS8-010 3453RF8-010 3453QS8-010 ***Low Profile Body will accept either Fingergrip or Screwdriver Slot Knob. (c) 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/09/15