Emerson 841 PLUS® Motors – IEEE 841-Compliant Severe Duty Motors
This brochure outlines the key features, specifications, and innovations behind Emerson’s 841 PLUS® motors, engineered to exceed IEEE 841 standards. Designed for harsh industrial applications, these motors offer enhanced durability, inverter compatibility, and exceptional reliability, making them ideal for sectors like petroleum, chemical, pulp and paper, and wastewater.
Key Points
- Built for Harsh Environments: Ideal for pumps, compressors, and blowers in industries like mining, wastewater, and petroleum.
- NEMA Premium® Rated: High-efficiency motors using low-loss silicon steel and optimized thermal designs.
- Advanced Insulation System: Inverter-duty insulation meets NEMA MG-1 Part 31 for spike and transient voltage resistance.
- Customization Options: Thermal protection, vibration detectors, vertical mounting, and more available.
- Exceeds IEEE 841 Standards: Designed for superior vibration control, durability, and operational stability.
- Robust Engineering: Features include cast-iron enclosures, epoxy-coated rotors, zinc-plated hardware, and brass drains.
- Flexible Configurations: Available in 1–400 HP with frame sizes 143–449 and voltages of 460 or 575V.
- Comprehensive Testing: Includes high-potential testing, insulation resistance, vibration testing, and optional full load test.