HE Power Relays Panasonic HE Power Relays are designed to provide excellent resistance to contact welding and surge voltage. These relays feature high-capacity, excellent surge resistance, and multiple terminals. The pre-tension and kick-off mechanism allows the 1 Form A and 2 Form A relay contacts to pass the ratings of TV-15 and TV-10. The HE power relays are ideal for office equipments, industrial equipments, and home appliances. The surge voltage is more than 10,000V. Panasonic´s HE Power Relays are typically used in office and industrial equipment and home appliances.