Catalog Number:VHM2531T
Enclosure:OPEN
Frame:284HP
Frame Material:Iron
Output @ Frequency:25.000 HP @ 60 HZ
Synchronous Speed @ Frequency:1800 RPM @ 60 HZ
Voltage @ Frequency:230.0 V @ 60 HZ
460.0 V @ 60 HZ
XP Class and Group:None
XP Division:Not Applicable
Agency Approvals:UR
CSA
Auxillary Box:No Auxillary Box
Auxillary Box Lead Termination:None
Base Indicator:No Mounting
Bearing Grease Type:Polyrex EM (-20F +300F)
Current @ Voltage:30.000 A @ 460.0 V
Insulation Class:F
Inverter Code:Not Inverter
KVA Code:G
Lifting Lugs:Standard Lifting Lugs
Locked Bearing Indicator:Locked Bearing
Motor Lead Quantity/Wire Size:9 @ 10 AWG
Motor Lead Exit:Ko Box
Motor Lead Termination:Flying Leads
Motor Type:1040M
Mounting Arrangement:F1
Power Factor:84
Product Family:General Purpose
Pulley End Bearing Type:Ball
Pulley Face Code:P-Base
Pulley Shaft Indicator:P-Base Groove & Key
Rodent Screen:None
Shaft Extension Location:Pulley End
60.000 A @ 230.0 V
Shaft Ground Indicator:No Shaft Grounding
Page 2 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
65.000 A @ 208.0 V
Design Code:B
Drip Cover:Drip Cover
Duty Rating:CONT
Front Face Code:Drip Cover Mounting
Front Shaft Indicator:None
Shaft Rotation:Reversible
Shaft Slinger Indicator:Shaft Slinger
Speed Code:Single Speed
Motor Standards:NEMA
Starting Method:Direct on line
Thermal Device - Bearing:None
Vibration Sensor Indicator:No Vibration Sensor
Page 3 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Nameplate NP1256L
CAT.NO. VHM2531T
SPEC. 10F886X260
HP 25
VOLTS 230/460
AMP 60/30
RPM 1770
FRAME 284HPHZ 60PH 3
SER.F. 1.15CODE GDES BCLASS F
NEMA-NOM-EFF 92.4PF 84
RATING 40C AMB-CONT
CC 010AUSABLE AT 208V 65
DE 6312ODE 6309
ENCL OPENSN
Page 4 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Parts List
Part NumberDescriptionQuantity
SA124439SA 10F886X2601.000 EA
RA114860RA 10F886X2601.000 EA
10CB3003A04KO BOX, MACH W/2.00 NPT LD HL & #26 DRAI1.000 EA
10XN3118K165/16-18 X 1' GRADE #5, STL, ZINC PLATE4.000 EA
HW1001A31LOCKWASHER 5/16, ZINC PLT.591 OD, .319 I4.000 EA
WD1000B16T&B CX70TN OR L70P TERMINAL LUG1.000 EA
51XF2520A08SCREW, HEX SER SLT HD, ZN 1/4-20 X .50 L1.000 EA
10EP1201A01FREP, MACH W/309 BRG1.000 EA
10AD2002AIR DEFLECTOR, 310 OPEN P-BASE1.000 EA
12XN1032A0810-32X1/2 HEX HD SLTD3.000 EA
HW1001A10WASHER, #10 SPLT LK, ZN X3.000 EA
HA4051A00PLASTIC CAP FOR GREASE FITTING1.000 EA
10XN3816K523/8-16 X 3-1/4 HEX HEAD CAP SCREW GRD 54.000 EA
HW1001A38LOCKWASHER 3/8, ZINC PLT .688 OD, .382 I4.000 EA
HW4600B41V-RING SLINGER 2.125 X 2.880 X 0.2801.000 EA
HW5100A11W3917-042 WVY WSHR (WB)1.000 EA
10XN3118K80.31-18 X 5.0 HEX HD CAP SCREW, GRADE 54.000 EA
HW1001A31LOCKWASHER 5/16, ZINC PLT.591 OD, .319 I4.000 EA
10EP1507A02ENDPLATE, MACH W/312 BRG W/SLINGER RECES1.000 EA
HA4051A00PLASTIC CAP FOR GREASE FITTING1.000 EA
10XN3816K443/8-16 X 2.75 HEX HD CAP SCREW, GRADE 54.000 EA
HW1001A38LOCKWASHER 3/8, ZINC PLT .688 OD, .382 I4.000 EA
10FH1500A01DRIP COVER, MACH1.000 EA
HW3201A12.50-13 EYEBOLT W/2.25 SHANK2.000 EA
Page 5 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Parts List (continued)
Part NumberDescriptionQuantity
HW1001A50LOCKWASHER 1/2, ZINC PLT,.879 OD, .509 I2.000 EA
HW1000A501/2 SAE FLAT WASHERS2.000 EA
10CB3501CONDUIT BOX LID FOR 10CB3003, 10CB3004 &1.000 EA
14GS1001GASKET, CONDUIT BOX LID 314 FRAME1.000 EA
10XN2520K161/4-20 X 1" HX HD SCRW GRADE 5, ZINC P4.000 EA
HW1001A25LOCKWASHER 1/4, ZINC PLT .493 OD, .255 I4.000 EA
HW2501E11KEY, 1/4 SQ X 1.1251.000 EA
12GS1000GASKET1.000 EA
HW4500A03GREASE FITTING, .125 NPT 1610(ALEMITE) 81.000 EA
HW4500A17317400 ALEMITE GREASE RELIEF1.000 EA
MJ1000A02GREASE, MOBIL POLYREX EM - 1240470.130 LB
HW4500A03GREASE FITTING, .125 NPT 1610(ALEMITE) 81.000 EA
HW4500A17317400 ALEMITE GREASE RELIEF1.000 EA
MG1000G27MED CHARCOAL METALLIC GREY 400-00960.200 GA
85XU0407S044X1/4 U DRIVE PIN STAINLESS2.000 EA
LB1119NWARNING LABEL1.000 EA
LB1182WARNING LABEL FOR MOTORS WITH EYENUTS2.000 EA
MN416A01TAG-INSTAL-MAINT no wire (1200/bx) 3/191.000 EA
LC0005CONN.DIA.,TY M,9-LD,DUAL VOLT,REVERSING1.000 EA
NP1256LALUM UL CSA CC INDUSTRIAL MOTOR A601.000 EA
12PA1030PACKAGING GROUP PRINT PK1024A061.000 EA
PK65382X4 X 11 SPACER2.000 EA
Page 6 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
AC Induction Motor Performance Data
Record # 2577 - Typical performance - not guaranteed values
Winding: 10WGX260-R001Type: 1040MEnclosure: TEFC
Nameplate Data
460 V, 60 Hz:
High Voltage Connection
Rated Output (HP)25Full Load Torque74.2 LB-FT
Volts230/460Start Configurationdirect on line
Full Load Amps60/30Breakdown Torque216 LB-FT
R.P.M.1770Pull-up Torque91.2 LB-FT
Hz60Phase3Locked-rotor Torque114 LB-FT
NEMA Design CodeBKVA CodeGStarting Current176 A
Service Factor (S.F.)1.15No-load Current12.18 A
NEMA Nom. Eff.92.4Power Factor84LinelineRes.@25ºC0.324Ω
Rating - Duty40C AMB-CONTTemp. Rise @ Rated Load65°C
S.F. AmpsTemp. Rise @ S.F. Load87°C
Locked-rotor Power Factor33
Rotor inertia3.18 LB-FT2
Load Characteristics 460 V, 60 Hz, 25 HP
% of Rated Load255075100125150S.F.
Power Factor48707984858585
Efficiency86.691.392.492.491.99192.1
Speed1792178517781770176117511765
Line amperes14.118.3424.0230.3537.345.234.5
Page 7 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Performance Graph at 460V, 60Hz, 25.0HP Typical performance - Not guaranteed values
Page 8 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Page 9 of 10
Product Information Packet: VHM2531T - 25HP,1770RPM,3PH,60HZ,284HP,1040M,OPEN
Page 10 of 10
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