Singer One Instruction Manual 2 - Page 6

alternating

Page 6 highlights

4 Motor Can be Operated on Either Alternating Current or Direct Current The electric motor, which is built in Machines 101-4 and 101-12, can be operated on either direct current or 25 to 75 cycle alternating current without change of adjustment. The standard windings of the motor are for 110-120 volts, but motors can also be furnished for any voltage between 50 and 250. Special motors for 32 volts direct current and above 75 -cycle alternating current have also been developed and are available. Points to Determine Before Connecting Motor to Electric Service Line Obtain the following information from the Electric Light Company which supplies the electric current for the circuit to which the motor is to be connected: 1. Whether alternating current or direct current is used.. 2. What is the voltage? The voltage must be within the range stamped on the motor name plate (B, Fig. 2, page 5). 3. If the electric service line is alternating current, what is the number of cycles? The number of cycles must be within the range stamped on the motor name plate. 4. The current and voltage of the electric service line and, if alternating current, the number of cycles, can be verified by looking at the name plate on electric meter installed by the local Electric Light Company.

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4
Motor
Can
be
Operated
on
Either
Alternating
Current
or
Direct
Current
The
electric
motor,
which
is
built
in
Machines
101-4
and
101-12,
can
be
operated
on
either
direct
current
or
25
to
75
cycle
alternating
current
without
change
of
adjustment.
The
standard
windings
of
the
motor
are
for
110-120
volts,
but
motors
can
also
be
furnished
for
any
voltage
between
50
and
250.
Special
motors
for
32
volts
direct
current
and
above
75
-cycle
alternating
current
have
also
been
developed
and
are
available.
Points
to
Determine
Before
Connecting
Motor
to
Electric
Service
Line
Obtain
the
following
information
from
the
Electric
Light
Company
which
supplies
the
electric
current
for
the
circuit
to
which
the
motor
is
to
be
connected:
1.
Whether
alternating
current
or
direct
current
is
used..
2.
What
is
the
voltage?
The
voltage
must
be
within
the
range
stamped
on
the
motor
name
plate
(B,
Fig.
2,
page
5).
3.
If
the
electric
service
line
is
alternating
current,
what
is
the
number
of
cycles?
The
number
of
cycles
must
be
within
the
range
stamped
on
the
motor
name
plate.
4.
The
current
and
voltage
of
the
electric
service
line
and,
if
alternating
current,
the
number
of
cycles,
can
be
verified
by
looking
at
the
name
plate
on
electric
meter
installed
by
the
local
Electric
Light
Company.