Littelfuse 346 Series User Manual
Enclosed fuseholders > panel mounted
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Enclosed Fuseholders > Panel Mounted
Cartridge Fuse Holders
286/346 Series Flip-Top Shock-Safe Panel Mount Fuse Holders
Agency Approvals
Ordering Information
Agency
Agency File Number
E14721
007316
lOW pROFIle DeSIgN
FuSe CARRIeR
HOlDS SpARe
FuSe
bARRIeR-pROTeCTeD
TeRmINAlS
Catalog
Number
Fuse Size
Q.C. Terminals
max. Amps
At 250V.
A
b
C
D
e
+.005”/-.000”
F
+.005”/-.000”
346 877
3AG
.250” × .032”
.072” Dia. Hole
15
.75”
1.5”
.27”
1.04”
.688”
1.445”
286 677
5 × 20mm
.187” × .032”
.055” Dia. Hole
10
.70”
1.03”
.26”
.94”
.625”
.953”
286 377
2AG
.110” × .020”
.048” Dia. Hole
10
.61”
.85”
.20”
.87”
.550”
.775”
Product Characteristics
Compatible Fuses
For 3AG, 5×20mm, or 2AG Fuses
Features
•
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
Electrical
Rating: See TABLE.
Insulation Resistance:10,000 megohm minimum at
500 VDC.
Contact Resistance: Less than 0.01 ohm.
Mounting
Snap-in mounting. No hardware required. Panel
thickness range: .032” through .125”.
Molded Parts
Thermoplastic (UL94 V-0) black standard (other colors
available as special).
Fuse Carrier
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.
Terminals
Copper alloy, tin plate. Accepts quick-connect or
solder.
Ambient Temperature
–40ºC to +85ºC.
Vibration
10-55-10 Hz at .06” double amplitude (Method 201,
MIL-STD-202).
B
D
C
A
E
Dimensions
B
F
D
C
A
E
B
F
D
C
A
E
* Ensure that proper fuse de-rating is factored in fuseholder selection.
Additional Information
286 Series
346 Series
286 Series
346 Series
286 Series
346 Series