Features at a Glance: Definite Purpose Motors
This document provides a detailed comparison of various definite purpose motors used in industrial applications. Covering specifications such as HP range, voltage, enclosure types, insulation classes, cooling mechanisms, and more, this technical sheet serves as a quick reference guide for engineers and procurement specialists evaluating motor performance and compatibility.
Key Points
- Covers HP ranges from 1 to 250 with frame sizes spanning 140 to 440.
- Enclosures are TEFC (Totally Enclosed Fan Cooled) and constructed with cast iron.
- Designed for inverter duty with VT (Variable Torque) and CT (Constant Torque) options.
- Shaft components use high-strength carbon steel (C1045) with IP54-rated sealing systems.
- All motors operate on 3 Phase, 60Hz power with options for 230V, 460V, and 575V.
- Efficiency ratings include EPAct compliance for enhanced energy savings.
- Motors are equipped with cast iron conduit boxes, fan covers, and bi-directional polypropylene fans.
- Built-in durability features include stainless steel nameplates, polyurea base grease lubrication, and rust-resistant hardware.