Hi Team,
I’m looking for the power supply minimum output hold-up time for some Meraki devices (MS and MX).
The customer is using UPS Interactive Line and the time to switch power from generator and UPS is about 6-10 ms so we want to know if the Meraki devices will restart or not.
Thank you!
Best Regards,
Kane
I don't know thw answer.
That is about 1/4 to 1/2 wave. I would think you should be ok with that.
There is no such information published.
The only way to get assurance if this is very important will be to change to a double online interactive UPS. Plus it will provide the equipment with much more protection during the generator startup.
Found something interesting. Several of the MS's support using an RPS2300 for redundant power. It specifies the hold up time that it offers in the event of primary power supply failure.
Table 2. Power Supply Specifications
Description | Specification | |
C3K-PWR-1150WAC | C3K-PWR-750WAC | |
Maximum output power | 1150W | 750W |
Input-voltage range and frequency | 115-240 VAC, 50-60 Hz | 100-240 VAC, 50-60 Hz |
Input current | 12-6A | 10-5A |
Output ratings | 12V@25A and -52V@16.4A | 12V@25A and -52V@8.7A |
Output holdup time | 20 ms minimum | 20 ms minimum |
Power-supply input receptacles | IEC 320-C13 (IEC60320-C13) | IEC 320-C13 (IEC60320-C13) |
Power cord rating | 15A | 15A |
LED indicators | “AC OK” - Input power to the power supply is working properly “PS OK” - Output power from the power supply is working properly |