© 2018 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 57
Rev. Date 040218
6.1 Fuse Disconnect Switch
Installation (Recommended but Optional)
A
B
The fuse disconnect switch is an optional component
offered by MacroAir. Reference page 5 for fuse
size based upon the incoming power and fan
diameter.
6.1.1: Mount the fuse disconnect switch outside of the
swept area of the fan airfoils.
6.1.2: Wire the power cable from the fan to the
bottom of the fuse block. Then wire the incoming
power source to the disconnect switch.
6.1.3: In the diagram below, a three phase system is
shown. For a single phase system, phase 1 would be
connected to L1, neutral would be connected to L2,
and L3 would be left not terminated.
C
Components:
A - Fuse Block (Optional Add-On)
B - Disconnect Switch (Optional Add-On)
C - Class gG Fast Acting Fuses (Not Provided) - refer to the fuse chart on page 5
NOTE: Ensure that there is no power when installing this component.
Means for disconnection with contact separation at least 3mm.
Service Disconnect (Required
per NEC, OSHA, IEC, CE and
UL compliance).
Not Included -
Optional Add-On
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