TCS3P125 Residential Automatic Transfer Switch

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Approximetly 10 days after payment received


Residential Automatic Transfer Switch 3P 125Amp

The TCS3P125 is a brand new modularized design Automatic Transfer Switch, also known as ATS. With rated current of 125A and rated voltage of 110VAC or 220VAC single phase, or 3 phase to choose from. It is electrically and manually operated. This Automatic Transfer Switch is ideal for household and telecommunication cell site use. All plastic parts used on the ATS are made with UL 94V-0 plastic to comply with the highest safety standards.

Patent Number: U.S. Pat. No. 7,557,683

  • Modular design for installation next to switch or on the door
  • Electrically or Manually Operated, Mechanically Held Contacts
  • Adjustable Time Delay on Neutral
  • Compact Size with User-Friendly Status LED Display
  • Monitor normal source over and under voltages
  • Built-in 7-Days With/Without Load Exerciser
  • Made with UL 94V-0 plastic
  • Designed for cell-phone industry or home ATS applications

TS3P125 Rated Voltage 120/240 VAC
Rated Current 125 A
Rated Frequency 50/60 Hz
Transfer Double Throw Type
Operating Current 2.0A @ 220V
Poles 3P
Rated Short-Time Current 3.0 KA/1 Sec @ 250 VAC
Short Circuit Peak Value 7.5 KA
Utilization Category AC-33A*
Life > 6000 Times/With Load
Rated Operating Voltage TCS3P125-11 : 90~140 VAC
TCS3P125-22 : 180~270 VAC
Class PC
Connection Front
TC125 Over Volt Setting 270/135 VAC (Un-adjustable)
Over Volt Reset 260/130 VAC
Under Volt Setting 170/85 VAC (Un-adjustable)
Under Volt Reset 180/90 VAC
Adjustable Time Delay TDEN : 0~30 sec. ± 10%
TDNE : 0~30 sec. ± 10%
TDEC : 0~120 sec. ± 10%
TDES : 0~90 sec. ± 10%
TDOFF : 0~18 sec. ± 10%
Normal ON Capacity 7A @ 250 VAC Max
Standby ON Capacity 7A @ 250 VAC Max
Remote Start Capacity 6A @ 277 VAC / 6A @ 28 VDC Max
Power Consumption < 1W
Panel Cut-Out 47.0 ± 0.5 mm x 162 ± 0.5 mm
General Specifications Operation Temperature -10~70 °C
Humidity < 95%
Dimension   167.0(H) x 172.0(W) x 85.0(D) mm
Weight   1.8 Kg ± 2%