Surge Safe Power Protector Plug Do not risk losing your valuable equipment through a surge. Protect it with the Surge Safe Plug. Lowest clamping voltage is 300 volts,(the voltage level at which the surge is stopped and is dropped to a safe level.) where other surge protectors clamp between 700 and 800 volts. 6 stage Surge Protection. 3 MOV's and 3 Gas arrestors(Neon). Absorbs up to 16 500 Amps on live and neutral and up to 13 000 Amps on earth. This product does not protect against direct lightning strikes. Features : Insurance compliant. Tested to the highest South African standards. Quicker reaction time ensures full protection from power surges.. Surge Safe Plug has a built-in mains tester. Checks that the wiring in the wall socket is safe to use. Shows if the surge protector is working correctly. Protects 1 appliance only