Behavior on Overload

See Table 8 for an explanation of how the UPS responds to an overload condition.

Table 8. Behavior on Overload

Overload

Load Level

On Utility Power

On Bypass

On Battery

Severity

 

 

 

 

 

 

 

 

 

 

Level 1

100% to 101%

Overload alarm and

Overload alarm

Overload alarm and supports

 

 

supports load

and supports load

load until low battery

 

 

indefinitely

indefinitely

shutdown level is reached

 

 

 

 

 

Level 2

102% to 110%

Transfers to Bypass

Transfers to Fault

Transfers to Fault mode in

 

 

mode in 12 sec (±1 sec).

mode in 2 min

12 sec (±1 sec) or when low

 

 

If Bypass mode is not

(±1 sec)

battery shutdown level is

 

 

available, transfers to

 

reached

 

 

Fault mode after 12 sec

 

 

 

 

(±1 sec).

 

 

Level 3

> 110%

Transfers to Bypass

 

 

mode immediately. If

 

 

Bypass mode is not

 

 

available, transfers to

 

 

Fault mode after 300 ms

 

 

to 1 sec.

Transfers to Fault mode in 300 ms to 1 sec

Transfers to Fault mode in 300 ms to 1 sec

48 Operation

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Dell K812N, 5600W, 5600R OL HV-US manual Behavior on Overload