-Quintsulation™5-stage insulation system designed to meet NEMA MG 1-1993, Section IV, Part 31--Variable speed, 3-phase design for operation with a wide range of inverter (AC drive) products--Inverter-Grade magnet wire and Class "F" insulation system for increased protection against spikes and corona damage caused by the inverter--UL recognized for construction, CSA certified, and in compliance with the Low Voltage Directive "CE"--Totally Enclosed, non-ventilated IP-20 rating. IP-44 with optional t-box kit installed--Class "F" insulation system--Aluminum endshields for high thermal efficiency and light weight--Unvented gearhousing for universal horizontal mounting--Industrial lip type seals on motor and output shafts--Needle bearings on output shaft for increased radial load capacity and long life--Permanently lubricated--Helical pinion accurately cut on motor shaft for maximum strength and minimum noise |