The purpose of this unit is to communicate between the Onsetter and the driver and is situated on the bank. The unit is manufactured in polycarbonate and equipped with:

Push button signalling device to communicate to the driver.
Evolution or D-Tronic PC Board.
Fitted with a PP, Castell or Fortress key switch.

Various audible devices, such as bell, sounder, cybertone, etc.
Lock & clear lights are fitted behind the lid of the enclosure ensuring its IP65 rating. 

The unit is available in either 32V / 110V AC or 32V DC.
Note: The unit has a switch off facility feature and always completes every signal rung.

Polycarbonate Underground Unit

  • It should be noted that delivery periods vary between products and is subject to present workload, prior sales and availability of raw materials from our suppliers.

  • All Images shown are for illustration purpose only. The actual product may vary due to product specifications.