Can this power supply handle voltage fluctuations, and if so, what is the range it can manage effectively?

Yes, this power supply can handle voltage fluctuations with an input range of 90-264VAC.

Questions & Answers: Tycon Power Systems PSDIN-48-120W Industrial DIN Rail Power Supply 90-264VAC in 48V Out 120W

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Tycon Power Systems PSDIN-48-120W Industrial DIN Rail Power Supply 90-264VAC in 48V Out 120W

The PSDIN-48-120W Industrial DIN Rail mount high efficiency switching power supply operates over a wide temperature range of -40C to +70C
This model provides up to 120W. The input is 90-264VAC auto-ranging with wire terminal connections. The output is 48VDC nominal with an adjustment range from 47VDC to 56VDC
There is a switch for single or parallel operation. There is an alarm output to provide a dry contact closure to trigger an alarm if the DC output fails, like during a grid power failure
The relay is closed when DC output is normal and open when DC output is in fault condition due to overload or safety shutdown
Applications: Powering PoE Switches, IP Phone and Security Camera Systems, Telecommunications