HAMMER EZ 640 ELECTRIC FENCE ENERGISER EZ 640 Hammer Energizer is a powerful single-zone electric fence controller designed for medium to large-scale perimeter protection. With 5 Joules of output energy and a 10,000V maximum voltage, it can secure fences up to 6 km in length using 1.6mm wire. The unit features low-voltage alarms, gate monitoring, and remote control capability, making it ideal for residential, commercial, and infrastructure-grade installations. Its built-in battery backup and support for siren/strobe outputs ensure reliable operation even during power outages. 24 Months Warranty Service. Spares & repair Available