Circuit & System Protection


Lightning current protection for four-conductor systems

27 October 2021 Circuit & System Protection

The Termitrab complete product family from Phoenix Contact provides narrow surge protective devices for measurement and control technology. With immediate effect, the TTC-6P-4… protective devices for four-conductor applications can also be used for applications that require test class D1. This applies both for product variants with push-in connection technology and for products with screw connection.

Tests of the protective circuit have shown that the requirements of test class D1 are also satisfied. Building transitions are a typical installation location, since curve-shaped lightning pulses (10/350 µs) can be expected here. The components installed in the protective circuit pass the tests for minimum 500 A discharge surge current, which is required for this test class.

For more information contact Phoenix Contact, +27 11 801 8200, [email protected], www.phoenixcontact.co.za


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