FSP ST 1200 vs FSP ST 1500

Comparison of ST 1200, ST 1500

41 specifications	A FSP ST 1200View product	B FSP ST 1500View product
Features2 differ
UPS topology	Line-Interactive	Line-Interactive
Output power capacityDiffers	1.2 kVA	1.5 kVA
Output powerDiffers	720 W	900 W
Waveform	Sine	Sine
Input operation voltage (min)	81 V	81 V
Input operation voltage (max)	270 V	270 V
Input frequency	50/60 Hz	50/60 Hz
Output operation voltage (min)	110 V	110 V
Output operation voltage (max)	240 V	240 V
Output frequency	50/60 Hz	50/60 Hz
Output voltage regulation	5%	5%
Noise levelKnown for one	40 dB	—Unknown — not stated by the source
Power protection features	Battery discharge, Overcharge, Overload	Battery discharge, Overcharge, Overload
Audible alarm(s)	Yes	Yes
Audible alarm modes	Alarm when on battery, Fault, Low battery alarm, Overload alarm	Alarm when on battery, Fault, Low battery alarm, Overload alarm
Power source typeKnown for one	—Unknown — not stated by the source	AC
Ports & interfacesidentical
AC outlet typesKnown for one	Type F	—Unknown — not stated by the source
AC outlets quantityKnown for one	4 AC outlet(s)	—Unknown — not stated by the source
USB port	Yes	Yes
USB 2.0 ports quantity	1	1
USB port type	USB Type-B	USB Type-B
Ethernet LAN (RJ-45) ports	2	2
Number of output IEC jumpersKnown for one	—Unknown — not stated by the source	8
Batteryidentical
Battery capacity	18 Ah	18 Ah
Battery voltage	12 V	12 V
Number of battery cells	2	2
Battery recharge time	6.8 h	6.8 h
Hot-swap battery	Yes	Yes
Designidentical
Form factor	Tower	Tower
Product colour	Black	Black
Cooling type	Active	Active
Built-in fan	Yes	Yes
Control type	Buttons	Buttons
Display type	LCD	LCD
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	0 - 90%	0 - 90%
Packaging contentidentical
Batteries included	Yes	Yes
Weight & dimensions1 differ
Width	99 mm	99 mm
Depth	410 mm	410 mm
Height	280 mm	280 mm
WeightDiffers	11 kg	12 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.