122 ©2026 Johnstone Supply, LLC GENERAL PURPOSE MOTORS T-Frame Three-Phase Premium Efficient 143T-326T Frame Three-Phase Motors with Shaft Grounding Ring Internally Installed NEMA Premium Efficiency Motors, Totally Enclosed Fan Cooled • Shaft grounding bearing current protection is factory installed inside the motor housing and can be used with any VFD • No modifications or additional parts needed; simply ready to install and use with variable frequency drives • Three phase • Totally enclosed fan cooled • NEMA premium efficiency • 1800 RPM • Ball bearing • Rigid base • No thermal protection • Class F insulation • Nameplated 60/50 hertz • UL recognized, CSA certified and CE marked • Three year warranty Order # Mfg. # HP NEMA Frame Volts RPM F/L Amps Efficiency Std. Mount. Pos. Shaft Diam. Shaft Length For Use With Wt. Lbs. Each S82-456 143TTFN16040 1 143T 230/460 1800 3.0/1.5 85.50% F-1 7/8" 2-1/4" VFD 48.0 1745.00 S82-458 145TTFN16045 2 145T 230/460 1800 6.0/3.0 86.50% F-1 7/8" 2-1/4" VFD 64.0 1999.00 143T-449T Frame NEMA Premium® XRI® Efficiency Three-Phase Motors Totally Enclosed Fan Cooled • General purpose motors for use on compressors, pumps, conveyors, blowers and other HVAC equipment • Meet or exceeds NEMA Premium® efficiencies • Inverter duty, suitable for use on a VFD, suitable for 10:1 VT on all frame sizes and 10:1 CT up to 365T frame • Class F insulation, standard F1 assembly reversible to F2 assembly • Horizontal mount • Rigid base • No thermal protection • 1.15 service factor • Three phase • Insulation class F • 40° C ambient • Horizontal mount • Ball bearing • Reversible rotation • 60/50 Hz • Three year warranty Order # Mfg. # HP NEMA Frame Volts RPM F/L Amps Efficiency Std. Mount. Pos. Shaft Diam. Shaft Length “A” Dim. Replaces Wt. Lbs. Each S82-530 143TTFR15642 1 143T 230/460 1800 3.2/1.6 85.50% Horizontal or vertical 7/8" 2-1/4" 5-1/2" 143TTFR15642 32.0 1299.00 S82-531 145TTFR16078 1 145T 230/460 1200 3.8/1.9 82.50% Horizontal or vertical 7/8" 2-1/4" 5-1/2" 145TTFR16078 44.0 1545.00 S82-533 145TTFR16033 1-1/2 145T 208-230/460 1800 4.6-4.8/2.4 86.50% Horizontal or vertical 7/8" 2-1/4" 5-1/2" 145TTFR16033 45.0 1345.00 S82-534 145TTFR13002 2 145T 208-230/460 3600 5.2-4.8/2.4 85.50% Horizontal or vertical 7/8" 2-1/4" 5-1/2" 145TTFR13002 44.0 1599.00 S82-535 145TTFR16035 2 145T 208-230/460 1800 6.0-5.8/2.9 86.50% Horizontal or vertical 7/8" 2-1/4" 5-1/2" 145TTFR16035 49.0 1445.00 S92-035 E2121 15 254T 230/460 3600 35.0/17.2 91.70% Horizontal or vertical 1-5/8" 4" 10" 254TTFL16001 234.0 4499.00 S92-036 E2122 15 254T 230/460 1800 37.5/18.8 92.40% Horizontal or vertical 1-5/8" 4" 10" 254TTFL16026 174.0 4699.00 S92-038 E2123 20 256T 230/460 3600 47.0/23.4 92.40% Horizontal or vertical 1-5/8" 4" 10" 256TTFL16002 186.0 4599.00 S92-039 E2124 20 256T 230/460 1800 48.0/24.1 93.00% Horizontal or vertical 1-5/8" 4" 10" 256TTFL16033 309.0 5045.00 S92-042 E207 25 284T 230/460 1800 62.0/31.0 93.60% Horizontal or vertical 1-7/8" 4-5/8" 11" 284TTFNA6026 475.0 6245.00 S92-064 E246 125 445T 460 1200 155.0 95.00% Horizontal or vertical 3-3/8" 8-1/2" 18" 445TTFN6086 2092.0 32900.00 S92-070 E282 200 449T 460 1200 240.0 95.80% Horizontal or vertical 3-3/8" 8-1/2" 18" 449TTFS6088 2933.0 46500.00
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