For an off the shelf solution, to meet an HVAC specification for new construction, or if replacing a motor that has fallen victim to bearing fluting due to shaft currents, Baldor-Reliance Shaft Grounding motors will ensure a long smooth service life. Baldor-Reliance Shaft Grounding motors feature bearing current mitigation devices mounted internally, shielding them from dust and other contaminating elements.
Features
- 1 – 50 hp
- 143T – 326T NEMA frame
- Three-phase (foot mounted and C-Face)
- 208-230/460, 230/460 and 575 volt
- Available in TEFC (IP44) or ODP (IP22) construction
- Internal Baldor-Reliance® shaft grounding brush for bearing current mitigation on DE retainer ring
- Compact, rugged, spring loaded carbon brush
- Class H insulation for increased protection on inverter-use – meets NEMA MG1 Part 31.4.4.2
- 1.15 service factor with Class B temperature rise at rated horsepower (sine wave)
- Variety of 2, 4 and 6 pole designs
- Regreasable ball-bearings with Mobil Polyrex® EM grease
- Dynamically balanced rotors for reduced vibration and quiet operation
- Suitable for mounting in any position
- All models are Super-E® designs which meet or exceed NEMA Premium® efficiencies
- Designed for longevity with 3 year warranty
- Can be installed on most motors through our Mod-Express® Centers
Common applications
- HVAC air handling units
- Fan array
- Exhaust air systems
- CRAC (computer room air conditioning)
- Cooling towers
- Condensers
- Pumps
- Compressors
- Other variable speed applications
Common industries
- Commercial buildings
- Schools and Universities
- Hospitality
- Healthcare
- Public meeting arenas
- Data Centers
- Water treatment