Measuring devices protected from surge voltages
A
Phoenix Contact product story
Edited by the Engineeringtalk editorial team
Aug 28, 2006
Surgetrab protection devices allow for surge protection to be applied to measuring devices directly and without any additional accessories.
The new Surgetrab surge protection devices from Phoenix Contact allow for surge protection to be applied to measuring devices directly and without any additional accessories.
They no longer have to be installed in separate boxes in front of the measuring head.
The protective device is simply screwed in and connected.
This way, the measuring device is protected from surge voltages.
By inserting the cable in the integrated quick-shield connection on the circuit board, it is easy to apply the shield potential to the circuit board.
The complex connection of the cable shield to a PCB terminal is a thing of the past.
By removing a pre-installed bridge, which earths the shield directly, the shield can be grounded indirectly by means of a gas-filled surge voltage arrester.
The surge voltage protection device S-PT-1x2-24DC is typically used for 0(4)-20mA current loops and similar standard signals.
The S-PT-EX(I)-24DC variant is suitable for the specific requirements of intrinsically safe power circuits.
It is used, for example, for Profibus PA and Foundation Fieldbus applications.
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