The Model 1879-080 is used to protect electronic equipment powered by 16 to 120 VAC.<br> The surge suppressor may be sacrificed during an “extreme” power spike to protect the equipment. Protection is provided from hot to ground, neutral to ground and hot to neutral. <br> The clamping voltage is approximately 200 volts. <br> DO NOT connect to power lines over 120 VAC. Maximum current is 10 amps.<br>