
Electrical Requirements
IMPORTANT
Basic Requirements
In addition, all electrical services, including earth ground, must comply
with local and national electrical codes.
• 30 A, single-phase, 208/220, 3-wire, earth ground
required.
• Main Power Disconnect (wall-mounted, not furnished)
The main power disconnect switch must consist of a minimum 2-pole thermo-magnetic
circuit breaker with solid neutral and common trip, or a fused disconnect switch. This
switch must be:
• located on a wall adjacent to the processor in the lighted area
• easily accessible from the processor site
• visible from the processor site.
IMPORTANT
Standard Service
Options In addition, all electrical services, including earth ground, must comply
with local and national electrical codes.
Table 3 Service Options
Voltage Frequency Service
Volts Hz
100/200 50/60 Single-phase, 3-wire
120/208 60 Three-phase*, 3-wire, Wye
120/240 60 Single-phase, 3-wire
127/220 50 Three-phase*, 3-wire, Wye
220/380 50 Three-phase*, 3-wire, Wye
240/415 50 Three-phase*, 3-wire, Wye
220 50/60 Single-phase, 2-wire
240 50/60 Single-phase, 2-wire
*L1, L2, and Neutral used in this configuration are sometimes referred to
as Single-Phase connections.
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