-18-
For Machines Mfg. Since 3/11
16-Speed Gearhead Lathe
P R E P A R A T I O N
Power Supply
Requirements
Before installing the machine, consider the
availability and proximity of the required power
supply circuit. If an existing circuit does not meet
the requirements for this machine, a new circuit
must be installed.
To minimize the risk of electrocution, fire,
or equipment damage, installation work and
electrical wiring must be done by a qualified
electrician in accordance with all applicable
codes and standards.
Availability
The full-load current rating is the amperage
a machine draws at 100% of the rated output
power. On machines with multiple motors, this is
the amperage drawn by the largest motor or sum
of all motors and electrical devices that might
operate at one time during normal operations.
The full-load current is not the maximum
amount of amps that the machine will draw. If
the machine is overloaded, it will draw additional
amps beyond the full-load rating.
If the machine is overloaded for a sufficient
length of time, damage, overheating, or fire may
result—especially if connected to an undersized
circuit. To reduce the risk of these hazards,
avoid overloading the machine during operation
and make sure it is connected to a power supply
circuit that meets the requirements in the
following section.
Full-Load Current Rating
SB1053 Full-Load Rating ................ 20.3 Amps
SB1054F Full-Load Rating ............ 10.15 Amps
SB1055F Full-Load Rating ............ 10.23 Amps
Circuit Requirements
For your own safety and protection of property,
consult a qualified electrician if you are unsure
about wiring practices or electrical codes in
your area.
Note:
The circuit requirements listed in this
manual apply to a dedicated circuit—where only
one machine will be running at a time. If this
machine will be connected to a shared circuit
where multiple machines will be running at
the same time, consult a qualified electrician to
ensure that the circuit is properly sized for safe
operation.
A power supply circuit includes all electrical
equipment between the main breaker box or fuse
panel in your building and the incoming power
connections inside the machine. This circuit must
be safely sized to handle the full-load current
that may be drawn from the machine for an
extended period of time.
Model SB1053
This machine is prewired to operate on a 220V
power supply circuit that has a verified ground
and meets the following requirements:
Nominal Voltage ............................... 220V/230V
Cycle .............................................................60 Hz
Phase ....................................................... 3-Phase
Circuit Rating....................................... 30 Amps
Plug/Receptacle Type ................NEMA L15-30
Cord ........."S"-Type, 4-Wire, 10 AWG, 300 VAC
Model SB1054F & SB1055F
These machines are prewired to operate on a
440V power supply circuit that has a verified
ground and meets the following requirements:
Nominal Voltage ............................... 440V/480V
Cycle .............................................................60 Hz
Phase ....................................................... 3-Phase
Circuit Rating....................................... 15 Amps
Connection .. Hardwire with Locking Switch
Serious injury could occur if you connect
the machine to power before completing the
setup process. DO NOT connect to power until
instructed later in this manual.
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