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20NCM-3-20-36 - 230/460V 256TC 20HP 3540RPM CFACE PREM

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230/460V 256TC 20HP 3540RPM CFACE PREM
Electric Motors/Premium General Purpose Electric Motors/C-Face Electric Motors
230/460V 256TC 20HP 3540RPM CFACE PREM
Item #: 20NCM-3-20-36
Elektrim Premium 20N Series TEFC IP55 3600RPM cast iron C-Face electric motor features a high 1.3 service factor, oversized ball bearings, VPI, VFD 10:1CT & 20:1VT and is rerateable for multiple voltages.

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41NAMEPLATE
Elektrim Nameplate NEMA 143T-286T(S)
22C-FLA-250
C-FLANGE EM PREM HP 250 FRAME
22BR-D-250
DE BRACKET EM PREM HP 250T FRAME
22F-GUA-250
FAN GUARD FOR EM PREMIUM 250 FRAME
22JUN-B-280
JUNCTION BOX FOR EM PREMIUM 280 FRAME
22FAN-250-2
FAN FOR EM PREMIUM 250 FRAME 2 POLE
42F-GUA-250/F
BLOWER KIT FOR EM EPACT 250 FRAME

Technical Details


Item Number: 20NCM-3-20-36

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Product Group Premium Efficient Motors
Series 20N Series
Efficiency Premium
Phase PH 3
Horsepower HP 20
RPM RPM 3600
Nominal RPM 60Hz RPM 3540
Frame 256TC
Mount Footed C-Face
Removable / Rotatable / Double Drilled Feet No / No / No
Voltage V 208-230/460V 60Hz & 190/380V 50Hz
Hertz Hz 60
Winding Connection Double Delta / Delta
Full Load Torque [FLT] 60Hz lb-ft 29.7
Lock Rotor Torque [LRT] 60Hz % 230
Break Down Torque [BDT] 60Hz % 260
FLA [115V] / [208V] / [230V] / [460V] / [575V] / [796V] 60Hz A -- / 50.6 / 45.8 / 22.9 / 18.3 / --
LRA % % 603
Lock Rotor Amps [230V] / [460V] / [575V] / [796V] 60Hz A 276 / 138 / 110 / --
Efficiency at Full / 0.75 / 0.50 Load 60Hz % 92 / 92.4 / 91.7
Power Factor Full / 0.75 / 0.50 Load 60Hz % 89 / 88 / 82
RPM 50Hz RPM 3000
Nominal RPM 50Hz RPM 2905
FLA [190V] / [230V] / [380V] / [400V] 50Hz A 58.2 / -- / 29.1 / --
Efficiency at Full / 0.75 / 0.50 Load 50Hz % 88.4 / -- / --
FL Power Factor 50Hz % 88
NEMA / IEC Design B
Code Letter F
Service Factor 60Hz / 50Hz 1.3 / 1
Insulation Class F
Rotor WK2 [lb-ft] / [kgm2] 1.47
DE Bearing / ODE Bearing 6309 2Z / 6309 2Z
Impregnation Method Vacuum Pressure Impregnation (VPI)
PTC Thermistors / Space Heater Option / Option
Junction Box / Fan Guard Aluminum (Cast Iron Optional) / Rolled Steel
Mounting Position / Protection Degree F1 / IP55
Enclosure TEFC
Finish RAL5010
Net Weight / Ship Weight lb 306 / 361
Warranty 3-Years
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