Surge Protection

Surge and lightning protection is becoming a large consideration for all Process Control installations.

Lightning strikes, static discharges and induced voltages from power lines are all typical sources of high voltage transients and overloads. Any low voltage circuitry can easily be damaged or destroyed by these voltages and so Industrial Interface have designed a range of products to protect Process Control equipment form these effects.

These devices incorporate three-stage protection encompassing gas discharge tubes, voltage clamping diodes and metal oxide varistors. This hybrid protection ensures that any surge currents are directed instantaneously to ground, while clamping voltages on the output terminals to suitable levels. Once the surge has subsided the device will automatically return to normal operation.

This design, combined with conservative ratings on the MOV's make these devices the maintenance-free alternative to existing surge protection devices.