“Critical Load” (CL) tends to refer to desktop computers or servers which require safe shutdown during the event of power failure. “Non-Critical Load” outlets refers to redundant equipment such as monitors or other peripherals and should be connected to the NCL outlets to be powered off early in order to save additional battery runtime for the “Critical Load” to safely shutdown. Note that the “Non-Critical Load” NCL outlets are available on select UPS models.
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