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ELECTRICAL
Southwire 50 Amp Automatic Transfer Switch (Model:
40101-001)
Source(s): Southwire Automatic Transfer Switch Troubleshooting Guide
(Models 40100, 40101, 40140, 41300, 41301)
Product(s): Southwire 50 Amp Automatic Transfer Switch (Model: 40101,
Newmar Part Number: 157536)
This article provides basic operation instructions for a Southwire 50 Amp Automatic Transfer Switch (Model: 40101).
Testing Operation
Plug the shore power cord into a good shore power
source and, after a short delay, shore power should be
transferred through and available for use. If the generator
is started after approximately 40 seconds, the transfer
switch should transfer power from shore power to
generator power. Turn the generator off and, after a short
delay, the transfer switch should switch back to the shore
power. (Source: Doc 505-00175a)
This transfer switch has two visual indicators designed to
give the user a quick indication of power conditions that
need to be corrected before using the coach.
Open Ground Indicator Illuminated: Unplug shore power.
Use a voltmeter to check ground and neutral. Voltage
should read -0-. If not, finding another power source is
recommended.
Reverse Polarity Indicator Illuminated: Unplug shore
power. Use a voltmeter to check ground and neutral.
Voltage should read -0-. If not, finding another power
source is recommended.
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