Orion Fans OAM Series Open Frame Motors offer a 500VAC dielectric strength rating, ≥10MΩ insulation resistance, and -30°C to +60°C operating temperature range. These motors are compact, highly reliable, and available in various sizes. Orion Fans OAM Series Open Frame Motors feature a dual ball-bearing system, diecast aluminum housing, impedance or thermal protection, an IP42 protection class, and a 3x wire leads connection.