UL Low Voltage General Purpose Protection Modular fuse-holders ...
UL Low Voltage General Purpose Protection Modular fuse-holders ...
UL Low Voltage General Purpose Protection Modular fuse-holders ...
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<strong>UL</strong> <strong>Low</strong> <strong>Voltage</strong> <strong>General</strong><br />
<strong>Purpose</strong> <strong>Protection</strong><br />
<strong>Modular</strong> <strong>fuse</strong>-<strong>holders</strong><br />
UltraSafe US14<br />
UltraSafe <strong>fuse</strong>-<strong>holders</strong> for all types of 14x51 <strong>fuse</strong>-links<br />
No of<br />
Poles<br />
Catalog Number<br />
with auxiliary<br />
microswitch<br />
Reference Number<br />
with auxiliary<br />
microswitch<br />
Catalog Number with<br />
auxiliary microswitch &<br />
indicator light<br />
Reference Number with<br />
auxiliary microswitch &<br />
indicator light<br />
No of<br />
Mod.<br />
(17.5mm)<br />
1 US141M W227903 US141MI C331156 1.5 6<br />
1 + N US141NM A227907 US141NMI B227908 3 3<br />
2 US142M E227911 US142MI K331140 3 3<br />
2* US142M2 G227913 US142M2I M331142 3 3<br />
3 US143M L227917 US143MI S331147 4.5 2<br />
3* US143M2 N227919 US143M2I W331150 4.5 2<br />
3 + N US143NM S227923 US143NMI T227924 6 1<br />
3 + N* US143NM2 V227925 US143NM2I W227926 6 1<br />
4 US144M - US144MI - 6 1<br />
4* US144M2 - US144M2I - 6 1<br />
* Two auxiliary microswitches (see instructions for mounting) - The auxiliary microswitch function requires use of <strong>fuse</strong>s with strikers.<br />
Models without indicator light and with auxiliary microswitch can be equipped with indicator kit and auxiliary microswitch kit.<br />
Pack.<br />
Technical characteristics<br />
Shock and vibration<br />
Vibration withstand on the 3 main axis*:<br />
• Sinusoidal vibration testing according to IEC 60068-2-6<br />
13 to 100Hz y= 0.7g peak<br />
according to french marine application<br />
2 to 13Hz x= 1 mm peak<br />
• Random vibration testing according to IEC 61373<br />
Category Class B<br />
Shock withstand on the 3 main axis*:<br />
• Shock testing according to IEC 60068-2-27 15g/11ms/18 shocks<br />
• Shock testing according to IEC 61373 Category 1 Class B<br />
*For specific usage please consult us<br />
Plastic material<br />
Plastic material <strong>UL</strong>94V2 mini<br />
Flame retardant materials with glow wire flammability<br />
index to 960°C<br />
Operating temperature: -25°C +60°C(1)<br />
Storage temperature: -25°C +80°C<br />
(1) See derating table<br />
Connection<br />
Max. tightening torque: 3.5Nm (30Ibs.-in.)<br />
Wire range<br />
• Rigid wire = 1.5-35mm² (16-3AWG)<br />
• Multistrand wire = 25mm² (4AWG)<br />
PZ2 or flat 5.5x1mm screw drivers recommended<br />
(max. diameter 6mm)<br />
Specific usage conditions<br />
Ambient temperature >20°C 30°C 40°C 50°C 60°C<br />
Derating factor of current 1 0.95 0.9 0.8 0.7<br />
No of poles 1 to 3 4 to 6 >/= 7<br />
Derating factor of current 1 0.95 0.9<br />
Nominal Current (A)<br />
of <strong>fuse</strong>-link gR<br />
Max. operational current in<br />
<strong>fuse</strong>-holder (A)<br />
25 23 4<br />
32 28 6<br />
40 34 10<br />
50 40 10<br />
63 46 16<br />
Cable wire<br />
section (mm²)
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