MODEL	ST-50	ST-100	ST-150
Rated Current	50A	100A	150A
Rated Voltage	120/208 or 220/380 or 230/400 or 240/415 or 277/480V
Phases	Single or three
Input Voltage Tolerance	±5,10,15,20%  selectable
Nominal Frequency	50 or 60 Hz  selectable
Input Frequency Tolerance	±0.5,1.0,1.5,2.0,2.5 Hz selectable
Phase Difference Between 2 Inputs	5,10,15,20 or don’t care selectable
Sensitivity	Low / Medium / High selectable
Transfer Sequence	Break before make
Transfer Mode	Manual/Automatic
Return Inhibit	Manual/Automatic
Transfer Time	1.5~3ms (0 degree difference)
	3~6ms(<90 degree difference)
Efficiency(Full Load)	> 99%
Ventilation	Fan
Operation Temperature	0-40 ℃(32-104 ℉)
Operation Altitude	<2000M ( derate 5% every 1000M)
Humidity	0~90% (non-condensing)
Audible Noise(At 1M)	50dBA
Standards	EN62310-1(safety)  EN62310-2(EMC)
Dimension(W*H*D)mm	440*440*550 (10U)
Weight (kg)	24	26	30
Color	Customer selectable
✽ All specifications mentioned above are subject to change without prior notice

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ST Series