Kingtronics Sell 2-Electrode Arresters and 3-Electrode Arresters

Surge arresters are designed to protect electrical equipment from damaging effects of spikes and transients caused by lightning, utility switching, isolation arcing, electrical motor cycling, or any other sudden change in electrical power flow on incoming AC power lines. 

And these devices also provide ideal protection for outdoor lighting and pole lamps, panel boards, workshops, refrigeration systems, electric motors and controls, heat pumps and air conditioning equipment, and many other electrical devices. 
More information about our products: http://www.kingtronics.com/surge-arresters/

2-Electrode Arresters & 3-Electrode Arresters
Kingtronics P/N	Surge-Arresters	Size	Discharge Class
SKT-2R	2-Surge-Arresters	ø 8 × 6 mm	10KA / 10A
SKT-2R-SMD4532	2-SMD-Surge-Arresters	4.5 × 3.2 × 2.7 mm	2KA / 2A
SKT-2R-SMD5042	2-SMD-Surge-Arresters	5 × 5 × 4.2 mm	5KA / 2A
SKT-3R	3-Surge-Arresters	ø 8 × 10 mm	10KA / 10A
SKT-3R-SMD5076	3-SMD-Surge-Arresters	ø 5 × 5 × 7.6 mm	5KA / 5A