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Line-R LE1200 Auto Voltage Regulator

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jimmeq_apc
Cadet
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Line-R LE1200 Auto Voltage Regulator

This was originally posted on APC forums on 1/23/2017


I have the LE1200 voltage switch set at 120V. If I measure 117.5VAC at the wall I also measure 117.5VAC from the LE1200. I thought the LE1200 is supposed to output 120VAC. I got this because I thought a voltage regulator would keep my AC at a steady 120V. Is this considered "normal" operating range?

Thanks!


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voidstar_apc
Janeway
Janeway
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Re: Line-R LE1200 Auto Voltage Regulator

This was originally posted on APC forums on 1/24/2017


Hi Jimme,

The LE1200 will only intervene when the input voltage leaves an acceptable voltage window. Intervention means boosting or trimming the input voltage by a fixed percentage to keep the output within the acceptable window (but not exactly 120V). You can find specifications here and the manual here.

The manual says regulation is +6% to -12%. At 120V, that corresponds to an acceptable output range of 106V-127V. This is also the default acceptable output range on the SmartUPS UPSes.

See Answer In Context

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voidstar_apc
Janeway
Janeway
0 Likes
0
66

Re: Line-R LE1200 Auto Voltage Regulator

This was originally posted on APC forums on 1/24/2017


Hi Jimme,

The LE1200 will only intervene when the input voltage leaves an acceptable voltage window. Intervention means boosting or trimming the input voltage by a fixed percentage to keep the output within the acceptable window (but not exactly 120V). You can find specifications here and the manual here.

The manual says regulation is +6% to -12%. At 120V, that corresponds to an acceptable output range of 106V-127V. This is also the default acceptable output range on the SmartUPS UPSes.