Products > Static Transfer Switch > STS Series 50-1000



High efficiency >99%
Accept harsh environment
Customer design up to 1000A
Fast repair: plug & play power module
Protect against incorrect breaker turn on
Fast transfer(typical): 1.5ms(S1/S2 synchronized)
Drastically increase in output availability
Easy start-up : use switch button
Input phase difference acceptable
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 lo/med/hi selectable
Break before make transfer sequence
Manual/automatic transfer selectable
Manual/automatic return selectable
Manual bypass use breakers (with inter-lock)
MODEL STS50 STS100 STS120 STS150 STS200 STS300 STS400 STS500 STS800 STS1000
Nominal Current 50A 100A 120A 150A 200A 300A 400A 500A 800A 1000A
Norminal Voltage 380/400/415Vac, 3 Phase with Neutral or 220/230/240Vac, single Phase with Netral
Input Voltage Tolerance ± 5/10/15/20% (Selectable)
Norminal Frequency 50/60Hz
Input Frequency Tolerance ± 0.5/1/1.5/2/2.5Hz(Selectable)
Operation Topology Break before make(No source overlapping)
Manual(Maintenance)Bypass Yes
Sensitivity Lo/Me/Hi(Selectable)
Transfer Time for Source Failure < 3m sec(S1/S2 Synchronised), < 6m sec(S1/S2 not Synchronised)
Return Time <0.1ms
Phase Difference Limit 5/10/15/20deg/**(Don't care)Selectable(Only return is affected)
Auto-Return Automatic/Manual(Selectable)
Efficiency at Full Load(%) > 99
Audible Noise(At 1M) 52 dBA 55 dBA
Storage Temperature Range -10°C ~ +50°C
Ambient Temperature 0°C ~ +40°C
Relative Humidity 90% (non-condensing)
Max. Installation Height 1000M at rated power (-1% Power for every 100M above 1000M) - Max 4000M
Standard Compatibility EN62310-1(Safty), EN62310-2 (Electromagnetic Compatibility)
Dimension(H*W*D)mm 1600*550*800 1600*1100*800 1900x1100x800
for 380/400/415V
180 190 200 230 250 320 340 360 420 450
Colour Cool gray, customized color is available
Index of Protection IP20
✽ Special specificatioons can be customized
✽ All specifictions mentioned above are subject to change without prior notice
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STS Series