Single-phase input single-phase output ST1-3KS

1.Advanced CPU digital control technology 2. Active input power factor correction (PFC) 3.Frequency adaptive system

Product Features

1.Advanced CPU digital control technology

2. Active input power factor correction (PFC)

3.Frequency adaptive system

4. Ultra wide input voltage range

5. Output power factor is 1.0

6. Ultra wide input frequency range

7. Strong scalability

8.Green and environmental protection

Model			ST1KS		ST2KS		ST3KS
Rated Power		1kVA/1kW		2kVA/2kW		3kVA/3kW
Input	Voltage Range	90-285Vac 1P2W+G
	Working Frequency Range	40-70Hz (settable)
	Input Power Factor	≥0.99
Output	Rated Voltage and Accuracy	220Vac(1±2%) 1P2W+G
	Output Frequency	46-54Hz synchronize with mains power; 50Hz (Mains power between 40-46Hz and 54-60Hz ); 50Hz(Battery)
	Rated Current	4.5A		9.1A		13.6A
	Output Power Factor	1.0
	Output Harmonic Wave	≤4% (Full R load)
	Crest Factor			3：1
	Output Overload	Overload pre-warning :100%±2%＜Load Output warning:102%±2%≤Load≤110%±2%: Convert to bypass mode and alarm after 30mins; Output warning:110%±2%＜Load≤130%±2%: Convert to bypass mode and alarm after 10mins; Output warning:130%±2%＜Load≤150%±2%: Convert to bypass mode and alarm after 30s; Convert to bypass mode and alarm after 200ms, Load＞150%±2%
Conversion time between Mains Power and Battery		0ms
Efficiency		≥90% (Normal mode)
Battery	Rated Voltage		48Vdc		48Vdc		96Vdc
	Quantity		External		External		External
	Charging Current		5.5A		5.5A		5.5A
Dimension (LxWxH) mm		280x144x230		400x144x230		425x190x328	400x144x230
Weight			4.2kg		6.4kg		6.5kg
Working Temperature		-10℃-50℃
Working Humidity		20%-95% (non-condensing)
Noise		≤50dB