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‧ Products > Static Transfer Switch > ST Series ( ST50-ST150 (10U))

	Features
◎	Fast transfer (typical) : 1.5~2ms(0 degree different),2~6ms(<90 degree different)
◎	Geometrical increase in output availability
◎	Compact size : 44cm x 44cm x 55cm (WHD)
◎	Light weight : 24 ~ 30kg
◎	High efficiency >99%
◎	Easy installation : rack mount & terminal blocks
◎	Easy start-up : use switch button
◎	Fast repair : plug & play power module
◎	Quiet operation : <50dB
◎	Input phase difference acceptible
◎	Single/three phase selectable
◎	Voltage range +/-5,10,15,20% selectable
◎	Frequency range +/-0.5,1.0,1.5,2.0,2.5 Hz selectable
◎	Sensitivity low/medium/high selectable
◎	Break before make transfer sequence
◎	Manual/automatic transfer selectable
◎	Manual/automatic return selectable
◎	Manual bypass use breakers (with inter-lock)
◎	Protect against incorrect breaker turn on
◎	Accept harsh environment.
◎	Customer design up to 1000A
◎	Ultra-compact rack-mount
◎	Static transfer switch

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)
Transfer Time	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(WHD)mm	440440550 (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