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Voltage Surge Protectors:
The TSP-WG4-xxV-1A-01 (03) are used in 1 wire unipolar (and bipolar) systems. The TSP-WG6-xxV-1A-02 (04) are used in 2 wire unipolar (and bipolar) systems. A range of voltages are offered.
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Current Loop Surge Protectors:
The TSP-WG4(WG6)-20MA-xxV-01 (03) are used in 1 wire unipolar (and bipolar) systems. The TSP-WG6-20MA-xxV-02 (04) are used in 2 wire unipolar (and bipolar) systems. A range of voltages are offered.
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These devices are designed to provide protection for remote transducers and their associated data acquisition system.
Both modules have a line side which is connected to the transmission wire, and a protected side which connects to the sensitive equipment. These surge protectors provide three stages of protection for the signal path. The two wire version has two stages of protection for the power path while the one wire version does not support a power path. An inductor slows down the rise time of the transients and reflects some of the transient energy back. The second stage of protection is in the form of TRANZORB's which provide tight voltage clamping. The third stage of protection is then provided by MOV's which suppress large surge currents and clamp the larger spikes. All destructive voltages and currents are absorbed into an EARTH connection. When the LED is not illuminated, the module should be replaced.
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