XR12 Transmitter Pre-installation Manual
Electrical requirements
Issue 0.17 2005-08-31
Page 5-3
Recommended configuration.
Use a 4-wire Wye (star) configuration, with the three phases
balanced to ground.
Wiring
Table 5.1, “AC power wiring requirements”
shows the wiring recommendations for each AC voltage,
and identifies the wire gauges that are specified for worst case conditions. Smaller gauges may be used
when actual conditions related to transmitter power and wiring allow it. A certified electrician should
be consulted to ensure that all wiring meets local electrical code requirements.
CAUTION: Do NOT use open delta three-phase AC power sources that use
two identical transformers. These systems are susceptible to third
harmonic distortion and line transients, and may cause peak voltages to
exceed the line voltage. This can cause increased power supply noise or
even component failure (for example, rectifier failure).
Table 5.1: AC power wiring requirements
Voltage Current
Wire
size
208 Vac
80 A
4 AWG
240 Vac
70 A
4 AWG
380 Vac
42 A
8 AWG
Summary of Contents for XR12
Page 6: ...XR12 Transmitter Pre installation Manual Page iv Issue 0 17 2005 08 31 ...
Page 14: ...XR12 Transmitter Pre installation Manual Description Page 1 4 Issue 0 17 2005 08 31 ...
Page 54: ...XR12 Transmitter Pre installation Manual Parts and tools Page 9 4 Issue 0 17 2005 08 31 ...
Page 68: ...XR12 Transmitter Pre installation Manual List of terms Page 12 2 Issue 0 17 2005 08 31 ...
Page 74: ...XR12 Transmitter Index Page 13 6 Issue 0 17 2005 08 31 ...
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