Wirewound dynamic braking resistor for AC or DC drives, starting and speed regulation uses. Specially designed for applications on cranes, trains, elevators, harmonic filters, neutral grounding resistors and load banks. NEMA type-1, natural convection-cooled. Isolated for 1000 VAC/DC. Resistor wired with high temperature wire. Well ventilated enclosure with durable ASA70 grey powder coated finish. Wall or roof mount. Front mounted nameplate with complete ratings. Prevents overvoltage trip. Prevent overheating during normal braking cycles.