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31NCM-3-20-36 - 230/460V 256TC 20HP 3510RPM CFACE PREM

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230/460V 256TC 20HP 3510RPM CFACE PREM
Electric Motors/Premium General Purpose Electric Motors/C-Face Electric Motors
230/460V 256TC 20HP 3510RPM CFACE PREM
Item #: 31NCM-3-20-36
Elektrim Premium Efficient 31N Series TEFC 3600RPM cast iron C-Face electric motor is CSA certified for Class I Division II Group ABCD T3C, VFD 10:1CT & 100:1VT, UL Recognized.

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View Accessories and Parts

45C-FLA-250
C-FLANGE FOR ELEKTRIM PREM GP 250FR
45BR-D-250
DE BRACKET FOR ELEKTRIM PREM 31NFM 250FR
45D-FLA-250
D-FLANGE FOR ELEKTRIM PREM 250 FRAME
45F-GUA-250
FAN GUARD FOR ELEKTRIM PREMIUM 250 FRAME
45FAN-250-2
FAN FOR ELEKTRIM PREM 250 FRAME 2POLE

Technical Details


Item Number: 31NCM-3-20-36

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Product Group Premium Efficient Motors
Series 31N Series
Efficiency Premium
Phase PH 3
Horsepower HP 20
RPM RPM 3600
Nominal RPM 60Hz RPM 3510
Frame 256TC
Mount Footed C-Face
Removable / Rotatable / Double Drilled Feet No / No / Yes
Voltage V 208-230/460V 60Hz & 190/380V 50Hz
Hertz Hz 60
Winding Connection Double Delta / Delta
Full Load Torque [FLT] 60Hz lb-ft 29.9
Lock Rotor Torque [LRT] 60Hz % 210
Break Down Torque [BDT] 60Hz % 280
FLA [115V] / [208V] / [230V] / [460V] / [575V] / [796V] 60Hz A -- / 50.9 / 46 / 23 / 18.4 / --
Lock Rotor Amps [230V] / [460V] / [575V] / [796V] 60Hz A 290 / 145 / -- / --
Efficiency at Full / 0.75 / 0.50 Load 60Hz % 91 / 91.4 / 90.5
Power Factor Full / 0.75 / 0.50 Load 60Hz % 91 / 90 / 87.5
RPM 50Hz RPM 3000
Nominal RPM 50Hz RPM 2925
FLA [190V] / [230V] / [380V] / [400V] 50Hz A 60.3 / -- / 28.2 / --
Efficiency at Full / 0.75 / 0.50 Load 50Hz % -- / -- / --
NEMA / IEC Design B
Code Letter G
Service Factor 60Hz / 50Hz 1.25 / 1
Insulation Class F
DE Bearing / ODE Bearing 6310ZZ / 6208ZZ
Impregnation Method Dip and Bake
Junction Box / Fan Guard Cast Iron / Steel
Mounting Position / Protection Degree F1 / IP55
Enclosure TEFC
Finish Blue
Net Weight / Ship Weight lb 325 / 350
Warranty 3-Years
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