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20NFM-3-250-18 - 230/460V 447T 250HP 1788RPM FTD PREMIUM

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230/460V 447T 250HP 1788RPM FTD PREMIUM
Electric Motors/Premium General Purpose Electric Motors/Foot Mounted Electric Motors
230/460V 447T 250HP 1788RPM FTD PREMIUM
Item #: 20NFM-3-250-18
Elektrim Premium 20N Series TEFC IP55 1800RPM cast iron foot mounted electric motor features a 1.2 service factor, 10:1CT & 20:1VT VFD rating, oversized ball bearings, VPI, thermistor and space heater. 230/460V DD/D wiring with nameplate M06400595.

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41NAMEPLATE-CE
Elektrim Nameplate NEMA 324T-447T(S)
22F-GUA-440
FAN GUARD FOR EM PREMIUM 440 FRAME
22FAN-440-4
FAN FOR EM PREMIUM 440 FRAME 4,6 POLE
22JUN-B-440
JUNCTION BOX FOR EM PREMIUM 444/5 FRAME
22F-GUA-440/F
BLOWER KIT FOR EM PREMIUM 440 FRAME
22D-FLA-440T
D-FLANGE ELEKTRIM PREMIUM 440 FRAME
22C-FLA-440T
C-FLANGE EM PREM HP 440 FRAME
22BR-D-440T
DE BRACKET EM PREM HP 440T FRAME

Technical Details


Item Number: 20NFM-3-250-18

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Product Group Premium Efficient Motors
Series 20N Series
Efficiency Premium
Phase PH 3
Horsepower HP 250
RPM RPM 1800
Nominal RPM 60Hz RPM 1788
Frame 447T
Mount Footed
Removable / Rotatable / Double Drilled Feet Yes / No / No
Voltage V 230/460V 60Hz & 380V 50Hz
Hertz Hz 60
Winding Connection Double Delta / Delta (2019 and newer models only)
Full Load Torque [FLT] 60Hz lb-ft 735
Lock Rotor Torque [LRT] 60Hz % 160
Break Down Torque [BDT] 60Hz % 200
FLA [115V] / [208V] / [230V] / [460V] / [575V] / [796V] 60Hz A -- / -- / 534 / 267 / 214 / --
LRA % % 684
Lock Rotor Amps [230V] / [460V] / [575V] / [796V] 60Hz A 3650 / 1825 / 1460 / --
Efficiency at Full / 0.75 / 0.50 Load 60Hz % 96.2 / 96.6 / 96.5
Power Factor Full / 0.75 / 0.50 Load 60Hz % 91 / 90 / 85
RPM 50Hz RPM 1500
Nominal RPM 50Hz RPM 1487
FLA [190V] / [230V] / [380V] / [400V] 50Hz A -- / -- / 328 / --
Efficiency at Full / 0.75 / 0.50 Load 50Hz % 95.8 / -- / --
FL Power Factor 50Hz % 90
NEMA / IEC Design B
Code Letter G
Service Factor 60Hz / 50Hz 1.2 / 1
Insulation Class F
Rotor WK2 [lb-ft] / [kgm2] 81.5
DE Bearing / ODE Bearing 6318 C3 / 6318 C3
Impregnation Method Vacuum Pressure Impregnation (VPI)
PTC Thermistors / Space Heater Standard / Standard
Junction Box / Fan Guard Cast Iron / Rolled Steel
Mounting Position / Protection Degree F1 / IP55
Enclosure TEFC
Finish RAL5010
Net Weight / Ship Weight lb 2447 / 2687
Warranty 3-Years
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