Eaton SPD Series for Mounting External to Electrical Distribution Equipment Installation Manual IM01005031E—Rev 09 13
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The Eaton SPD Series comes in four feature packages: Basic, Standard, Standard with Surge Counter, and
Power Xpert SPD. The operating specifics of each feature package are described below.
After system power is applied, the SPD automatically begins protecting downstream electrical equipment from
voltage transients.
Three of the four feature packages include a form C relay contact that allows for the remote indication of SPD
status.
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All Eaton SPD Series units (Basic, Standard, Standard with Surge Counter, and Power Xpert SPD) use a display
panel to indicate system status. The display panel is slightly different for each feature package.
The Basic, Standard, and Standard with Surge Counter display has green and red light emitting diodes (LEDs) to
indicate the status of the protection on each phase. Green indicates the phase is fully protected. Red indicates
a loss of protection. Wye, split phase and high-leg delta units have an additional set of green/red LEDs to
indicate status of neutral/ground protection.
The Power Xpert SPD has a 20x4 LCD display and up to four multi colored LEDs that indicate the status of
protection on each phase and neutral/ground, if equipped. Green indicates the phase is fully protected. Yellow
indicates a partial loss of protection, and red indicates a total loss of protection on a particular phase and the
SPD should be replaced.
When the LEDs turn red, an audible alarm will also sound on units equipped with an audible alarm.
Specific operating conditions displayed for each Eaton SPD Series feature package are described in
3.2.1 Basic Feature Package.
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The Eaton SPD Basic feature package display is shown in Figure 15.
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The Basic feature package has the following features:
• Green LEDs: Illumination indicates the phase is fully protected, and operating normally, with all protection
active and available. Green LEDs also indicate neutral to ground protection on units with a neutral wire.
Green LEDs do not indicate on/off status of power.
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