Littelfuse 346 User Manual
Cartridge Fuse Holders
F
D
C
E
Enclosed Fuseholders > Panel Mounted
286/346 Series Flip-Top Shock-Safe Panel Mount Fuse Holders
Product Characteristics
Compatible Fuses For 3AG, 5×20mm, or 2AG Fuses
Features
BARRIER-PROTECTED
LOW PROFILE DESIGN
FUSE CARRIER
HOLDS SPARE
FUSE
Agency Approvals
Agency Agency File Number
E14721
007316
* Ensure that proper fuse de-rating is factored in fuseholder selection.
Dimensions
TERMINALS
Electrical
Mounting
Molded Parts
Fuse Carrier
Terminals
Ambient Temperature –40ºC to +85ºC.
Vibration
• Shock-Safe design eliminates any
possibility of electrical shock, per IEC
Standards 60127 and 60065.
• Fuse carrier holds spare fuse for fast, easy
fuse replacement and convenient servicing.
• Low profile design
Rating: See TABLE.
Insulation Resistance:10,000 megohm minimum at
500 VDC.
Contact Resistance: Less than 0.01 ohm.
Snap-in mounting. No hardware required. Panel
thickness range: .032” through .125”.
Thermoplastic (UL94 V-0) black standard (other colors
available as special).
Spring-loaded. Unlocks with a press of the finger.
Locks into place to prevent accidental circuit
interruption. Permanently attached to fuseholder body
to prevent loss. Extracts fuse from live terminals.
Holds spare fuse.
Copper alloy, tin plate. Accepts quick-connect or
solder.
10-55-10 Hz at .06” double amplitude (Method 201,
MIL-STD-202).
A
B
C
E
D
F
Ordering Information
Catalog
Number
346 877 3AG
286 677 5 × 20mm
286 377 2AG
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Fuse Size Q.C. Terminals
.250” × .032”
.072” Dia. Hole
.187” × .032”
.055” Dia. Hole
.110” × .020”
.048” Dia. Hole
Additional Information
Datasheet
286 Series
Datasheet
346 Series
Max. Amps
At 250V.
A B C D
15 .75” 1.5” .27” 1.04” .688” 1.445”
10 .70” 1.03” .26” .94” .625” .953”
10 .61” .85” .20” .87” .550” .775”
Resources
286 Series
Resources
346 Series
E
+.005”/-.000”F+.005”/-.000”
286 Series
346 Series
Samples
Samples
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