Fuseblocks
internationaL shock safe paneL mount
345 Series (International Shock-Safe Panel Mount Type)
Specifications
Description
Designed to eliminate electrical
shock as defined by IEC standards
60065 and 60127, these panel-mount
fuses offer a wide variety of options.
This allows for inventory reduction
and versatility.
Features/Benefits
• Anti-tease feature eliminates
circuit interruption when knob
is accidentally depressed
• Five fuseholder types
for maximum flexibility
• Two knob styles—
screwdriver slot and fingergrip
• Drip proof option available on
screwdriver slot knob style
• Two terminal choices
depending on application
Insulation Resistance:
10,000 megaohm minimum at 500 VDC
Contact Resistance:
Less than .005 ohm average at currents up to 1 A
Mounting:
Threaded styles withstand 15 in-lb mounting torque
Profile panel thickness: .032” 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 (UL94 V-0)
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
Ambient Temperature:
–40°C to +85°C
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
Web Resources
Downloadable CAD drawings
and other technical information:
www.littelfuse.com/shocksafe
agency
approvaL
uL
csa
vDe
fiLe
number
E75961
LR91788
116895E
3ag
20 A 250 V
20 A 250 V
10 A 250 V
5 x 20 mm
10 A 250 V
10 A 250 V
10 A 250 V
2ag
10 A 250 V
10 A 250 V
—
Recommended Fuses
2AG .................................................................................. pg. 42
3AG ................................................................................. pg. 42
5 x 20 mm ....................................................................... pg. 43
Note: 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.
Please refer to Technical Application Guide section for information
on proper fuseholder de-rating.
Ordering Information
EXAMPLE:
(Complete Assembly with Options)
FUSE SIZE
2
2AG
.177” x .570”
3
3AG
.250” x 1.250”
5
5 x 20 mm
.197” X .787”
Series Number
345 3 LS
7 LNP
STYLE
LF
Low Profile Body
Black Fingergrip Knob
RF
Rear Mount Body
Black Fingergrip Knob
HF
High Profile Body
Screwdriver Slot Knob
LS
Low Profile Body
Screwdriver Slot Knob
QS
Quick Mount Body
Screwdriver Slot Knob
Screwdriver Slot Knob
2AG–Blue Knob
3AG–Grey Knob
5 x 20 mm–Black Knob
TERMINALS
1
3/16” (Right Angle)
Dual Purpose Solder/QC
2
3/16” (Straight)
Dual Purpose Solder/QC
3
3/16” (Right Angle)
NEMA QC
4
3/16” (Straight)
NEMA QC
7
1/4” (Right Angle)
NEMA/DIN QC
8
1/4” (Straight)
NEMA/DIN QC
OPTIONS*
L
Lockwasher
N
Neoprene Washer
NP
Drip-Proof O-Ring
†
with Neoprene Washer
*Options (L, N, NP) can be ordered
individually or in combination.
†
Screwdriver slot knob only.
© 2011 Littelfuse POWR-GARD
®
Products Catalog
www.littelfuse.com
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