North American Electric PE256TC-20-4-RB-AI, 20 HP, 1800 RPM, 256TC Frame, 208-230/460V, 3PH, NEMA Design B, 60HZ, 1.15 S.F., TEFC, Gen Purp, Cast Iron, Prem Eff, Inverter Duty, C-Flange with Round Body

PE256TC-20-4-RB-AI, 20 HP, 1800 RPM, 256TC Frame, 208-230/460V, 3PH, NEMA Design B, 60HZ, 1.15 S.F., TEFC, Gen Purp, Cast Iron, Prem Eff, Inverter Duty, C-Flange with Round Body

Engineering Data

HP 20
RPM 1800
Frame 256TC
Mult. Sym. M16
Volts 208-230/460
Enclosure TEFC
F.L. Eff. 93
Notes 1,3
"C" Dim. 24.8
F.L. Amps 24

Meets or exceeds NEMA Premium® Efficiency Requirements defined by NEMA MG-1, Table 12-12
Class I, Div II Groups ABCD, T2B
Suitable for wye-delta start on 213T frame and above
Dual voltage ratings suitable for part wind start on lower voltage
1.15 Service Factor @ 60 hertz; 1.0 Service Factor @ 50 hertz
Suitable for 575V @ 1.0 Service Factor
Inverter Duty (20:1 variable torque; 10:1 constant torque)
Vacuum Pressure Impregnation for all windings
Sealed bearings thru 215T frame
Greasable bearings 254T frame and above
Mechanical “V” Seal on drive end
Class F insulation system, class B rise at full load
40° C ambient continuous duty
Corrosion resistant paint
Stainless steel nameplate and zinc plated hardware
F1/F2 reversible
Cast iron frame construction including the conduit box
Lifting provisions on 143T frame and above
Condensation drains with plastic plugs
IP55 Protection – Terminal box is sealed for IP66 protection
CSA + C + US Certification
ISO 9001 Certification
Notes

NEMA Premium® (NEMA MG-1 Table 12-12)
Inverter Duty (20:1 Variable Torque; 10:1 Constant Torque)
12 Lead Partwind Start at 230V
12 Lead Partwind Start at 460V
Ball Bearing on Drive End
Insulated Bearing on Opposite Drive End
Equipped with terminal blocks as standard
Inverter Rated (10:1 Variable Torque; 5:1 Constant Torque)