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Main Features

  • Improved Power Quality 
  • Noise Reduction 
  • Power Outage Protection 
  • Enable power redundant system design 
  • Automatic Static Switching 
  • Remote Monitoring of Input Power Sources 
  • Fail-Safe CMOS Logic 
  • Easy static and mechanical transfer between input sources 
  • Remote Management during power outage event 
  • Hot-swappable 
  • Low installation and maintenance costs 
  • 2 Year Warranty 
  • Power Event Logging


The Antipodes APS-STS allows you to instantly switch your critical load to an alternate power source. When one of the power sources fails, the STS kicks into action, switching to back up in as little as 6ms. This Antipodes STS, with one pole for each connection, provides independent grounding for each power source. In comparison to the moving mechanical parts of an Automatic Transfer Switch (ATS), the APS-solid-state STS’s design provides unparalleled speed and reliability. As a result, the APS-STS provides a unique combination of performance and safety. 

The APS-STS system is built in accordance with EC directive EN62310 and comes with a 10-year spare parts warranty in addition to a 2-year warranty. 


APS-STS 3000 & 4000

Model STS4100 STS4150 STS4200 STS4250 STS4300 STS4400
Voltage 230/400 Vac 4 wires + earth
Error window Voltage error windor and blackout time adjustable
Frequency 50 Hz or 60 Hz, +/- % -5 (adjustable error window)
Voltage distortion <10%
Phase balance sense Adjustable
Backfeed Protection Available
Overcurrent Protection 2 MCCB's according to overload current values
Current 100A 150A 200A 250A 300A 400A
Voltage / Frequency 230/400 Vac 4 wires + earth - 50 Hz or 60 Hz, +/- -5%
Overcurrent Inhibit Available
Load Crest Factor Up to 3.5
Protection SRC projection and overcurrent protection available / Short circuit protection available
AC/AC Efficiency >98%
Load PF Range 0.6 lag to 0.9 lead
Output CB Switch Available
Type Of Transfer Break before make
Transfer Time 5msec within CBEMA & IEEE for synchronised sources - 11 msec for unsynchronised sources
Overload 150% for 15min, 1000% for 40msec
Cooling Two fans (redundant)
Standards EN5009 colspa = 71-2 class A ISO9001
Temperature Sensor Cabinet inside temperature / Headsink temperature available
Ambient Temperature 0 - 40°C
Humidity 0-95% (non-condensed)
Dimensions (H x W x D) mm 685x530x1500 685 x 580 x 1770
Advanced Features
Human Interface 2 lines 16 characters LCD display, lamp mimic panel, 5 control buttons
Alarm history logging Available (127 events or 4000 alarms) with time and date
Real time clock Available
Password protection User and service passwords
Advanced RS232 Available (2400 baud, no parity, 1 stop bit, 3 wires) interactive
RS232 security Enable / disable from front panel and passpord protection (timed access)
DRY contacts 7 dry contact outputs (4 user programmable)
Monitoring software Available
Remote settings Available
REPO switch Available
Maintenance switch Available ( 3 position)
Power supply Hot swap 2 redundant power supplies
TCP/IP connection Available as an option
MODBUS adaptor Available as an option
R232 multiplexer Available as an option (2 RS232 serial ports)
Internal resistive load Available as an option

Product PDF

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  1. Benjamin

    With this three phase static transfer switch my equipment’s are always powered. The best part is i can control everything remotely.

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