Ashe Controls Private Limited
Ashe Controls Private Limited
Sion, Mumbai, Maharashtra
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Automatic Transfer Switch

Our product range includes a wide range of din rail mount automatic transfer switch.

Din Rail Mount Automatic Transfer Switch

Din Rail Mount Automatic Transfer Switch
  • Din Rail Mount Automatic Transfer Switch
  • Din Rail Mount Automatic Transfer Switch
  • Din Rail Mount Automatic Transfer Switch
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Product Details:

Switch ControlAutomatic
TypeStatic Power Switching unit with digital indication.
Usage/ApplicationNetwork Systems, IT Infrastructure Racks, Data Centers, Telecommunication Network Panels etc.
Current Rating21 & 31 Ampere
Model Name/NumberSPX-21D
PhaseSingle Phase
Power/Voltage110 VAC OR 230 VAC 50Hz.
Country of OriginMade in India

The ASHE SPX-21D Static Power Transfer Switch is a microcontroller based thyristorized power switching unit. The instrument is used as a watchdog for the mains power line feeders in industries so as to ensure smooth and uninterrupted power availability to critical equipment.


The Static Power Transfer Switch accepts two single phase power feeders as input lines. Depending upon the preset settings, the   SPX-21D switches one of the two input feeders to the output, i.e., it provides a selection of one primary feeder out of two input power feeders. Further it monitors the voltage and current continuously and displays the values on the front digital display. The instrument has a membrane switchpad on the front panel to set all parameters. An active LED mimic gives a direct indication of the status of the input and output signals.


The ASHE SPX-21D has automatic recovery features. After a power shut down, when power supply is restored, it automatically returns precedence to the primary power feeder. The Power Switching unit is slim and aesthetically designed and consumes minimal panel space. It is available in Din Rail execution.

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Harish Alwani (Director)
Ashe Controls Private Limited
No. 6/317/318/319, Jogani Industrial Complex, Sion-Trombay Road, Sion- Chunabhatti
Mumbai - 400022, Maharashtra, India
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