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NEMA Motors GRC0252F

25 HP, 3600 RPM, 3 Phase, 575V, 284TS Rigid, TEFC NEMA Premium





IN STOCK Toronto, ON
NO STOCK Montreal, QC
IN STOCK Moncton, NB
IN STOCK Vancouver, BC
IN STOCK Winnipeg, MB
data package


Quick Specs

  • HP 25
  • RPM 3600
  • PHASE 3
  • VOLTAGE 575V
  • MOUNTING Rigid
  • ENCLOSURE TEFC

Product Overview

Three phase, enhanced performance cast iron, premium efficient NEMA design A and B motors.

Features a multi-mount arrangement incorporating bolt on feet* or flange mount configuration. 2, 4 and 6 pole, 1 to 250HP, ideal for numerous light and heavy duty industrial and severe applications.


Motor Features

STANDARD FEATURES
  • *Removable feet F1, F2, F0 field convertible up to and including 326T frame, F2 convertible 364T and larger
  • 1.25 Service Factor through 326T frame, 1.15 Service Factor for larger frames with 60Hz operation / 1.0 Service Factor with 50Hz operation
  • 36 Month warranty
  • Cast iron construction with C and D flange kits available
  • Cast iron fan cover standard for all frame sizes
  • Cast iron Conduit Box is 90º rotatable
  • 1045 Steel shaft through 405T, 4140 grade for 444T and larger
  • Regreasable bearings 254T frame and larger
  • Mobil Polyrex EM polyurea grease
  • CSA Certified for Class I, Division II, Groups A, B, C and D / Class I, Zone 2, Groups IIC, IIB, IIA
  • IEEE 45 Marine Duty
  • Anti-microbial (tropicalization) on stator winding
  • Surface finish:
    • 2-Part epoxy coating RAL7024 - Graphite Gray
  • Stainless steel nameplate
  • Corrosion resistant hardware
  • Ultra high strength, reusable lifting straps included with motors 254T frame and larger
OPERATING PARAMETERS
  • Continuous (S1) duty
  • Ambient temperatures up to 40ºC
  • Installation up to 1000 MASL (3300 ft.)

CONNECTION
  • Up to and including 215T Frame:
  • 9-Lead 230V parallel-wye / 460V series-wye connection
  • 3-Lead 575V wye connection
  • 254T Frame and larger:
  • 12-Lead 230V parallel-delta / 460V delta connection
  • 6-Lead 460V or 575V single voltage delta connection

INGRESS PROTECTION

The standard degree of enclosure protection is IP55 (increased IP protection is available). Both drive end and non-drive end are fitted with double lip oil seals, including a rubber shaft slinger on the drive end. Terminal box is double gasketed including nipple seals between conduit box and stator body. DE and NDE end bell fitted with sintered brass one-way drain.


INSULATION AND INVERTER RATING
  • Class F Insulation (Impregnation resin, magnet wire and insulation materials are Class H)
  • Designed to Class B temperature rise
  • Vacuum Impregnated
  • Inverter Rated 15:1 Constant Torque, 30:1 Variable Torque (1.0 S.F. on VFD Power)
  • Exceeds NEMA MG 1 Part 31.4.4.2


Specifications

Download Specifications
ELECTRICAL DATA
Rated Motor Output Power
25
HP
-
kW
Rated Motor Speed
3545
r/min 60Hz
-
r/min 50Hz
Rated Motor Voltage (+/-10%)
575
V/60Hz
-
V/50Hz
Rated Motor Current
22.70
A (In) @ 60Hz
-
A (In) @ 50Hz
Phase
3
Ø
Locked Rotor Current @ High Voltage
213.12
A (In) @ 60Hz
Fl Current @ 208V
-
A (In) @ 60Hz
Service Factor
1.25
@ 60Hz
1
@ 50Hz
KVA Code
H
60Hz
-
50Hz
Nominal Efficiency
91.7
% @ 60Hz
Nominal Power Factor
0.9
cosφ @ 60Hz
Leads (Qty, Size)
6
12
Connection
D
Coil Resistance
0.304
Ω
Start Capacitor
-
μF/V
Run Capacitor
-
μF/V
VFD DUTY (S.F. 1.0)
RATIO
Hz
Variable Torque
30:1
2 - 60
Constant Torque
15:1
4 - 60
FULL LOAD TEMPERATURE RISE
Full Load Temperature Rise
59.3
ºC @ 60Hz
-
ºC @ 50Hz
GENERAL DATA
Frame Size
284TS
Enclosure
TEFC
Mounting
Rigid
Approximate Weight (lbs.)
383 lbs.
Casing Material / Fan Cover
Cast Iron
Cast Iron
Shaft Material
-
NEMA Design
A
Degree of Protection (IP)
55
Insulation Class / Temp Rise (60Hz)
F
B
Tropicalization
YES
Duty
Cont. / S1
Conduit Box Location
1-NPT 1-1/2"
Feet Removable / Double Drilled
YES
NO
Paintwork
7024
Graphite Gray
MECHANICAL DATA
Bearing DE Side
6311 C3
Bearing ODE Side
6311 C3
Grease Type
Mobil Polyrex EM
Compensation Ring (wavy washer)
NDE
Moment of Inertia (lb-ft2)
1.8
Sound Pressure @ 3 FT dBA
89.2
SITE CONDITIONS
Ambient Temperature (℃)
40
Meters Above Sea Level (MASL)
1000
HAZARDOUS LOCATIONS
CSA Certified
CSA Certified
Temperature Code
T2B
-

Nameplate

Download Nameplate
NAMEPLATE DATA
60Hz
50Hz
Horse Power
25
25
RPM
3545
-
Voltage
575
-
Full Load Amps
22.70
-
Service Factor
1.25
1
KVA Code
H
-
Full Load Amps (208V)
-
-
Nominal Efficiency
91.7
-
Nominal Power Factor
0.9
-
Design
A
Frame
284TS
Enclosure Type
TEFC
IP Rating
55
Duty
Cont. / S1
Insulation Class
F
Ambient Rating
40°C
Drive End Bearing
6311 C3
Opposite Drive End Bearing
6311 C3
Weight (lbs)
383
NAMEPLATE LAYOUT

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VFD DUTY (S.F. 1.0)
RATIO
Hz*
Variable Torque
30:1
2 - 60
Constant Torque
15:1
4 - 60
*For max speed please contact Techtop Canada
HAZARDOUS LOCATIONS
CSA CERTIFIED
Class / Division
Class I, Division II
Groups
A, B, C & D

Performance

Download Performance Data
PERFORMANCE LOAD VALUES, HIGH VOLTAGE, 60Hz
TYPICAL PERFORMANCE - NOT GUARANTEED VALUES
TORQUE VALUES
TORQUE (lb-ft)
TORQUE (% FULL LOAD)
PERFORMANCE VALUES
Locked Rotor Torque
94.8
256
Start Configuration
DOL
Pull-Up Torque
62.2
168
Starting Current (A)
213.12
Breakdown Torque
129.3
349
No-Load Current (A)
9.1
Full Load Torque
37.0
100
No-Load Power Factor


% OF RATED LOAD
25
50
75
100
125
S.F.
Line Amperes (A)
10.6
14.1
18.4
23.3
26.5
26.5
Efficiency (%)
85.9
91.0
92.3
92.3
92.1
92.1
Speed (r/min)
3591
3581
3571
3560
3554
3554
Power Factor (cosφ)
0.51
0.72
0.82
0.86
0.88
0.88
Input Power(kW)
5.38
10.16
15.04
20.04
23.09
23.09

Drawings & Wiring

3D CAD DRAWING 2D CAD DRAWING
Download PDF Drawing
DRAWING NUMBER
DIMENSIONS
MOUNTING
CASING MATERIAL
GR3-CI-TF-284TS-CFC
Inches
Rigid
Cast Iron





Download Wiring Diagram
DRAWING NUMBER
CONNECTION
NUMBER OF LEADS
THERMAL PROTECTION
NEMA-3-6-D
D
6
-

Parts & Accessories


COMPONENTS cast iron
Components
Part #
Description
Price
Stock
Qty
Cooling Fan
PRF-IE2-180-2
--
--
--
Conduit Box Kit
CB280
TECHTOP CAST IRON NEMA CONDUIT BOX 280T FRAME
--
Feet Kit
CRF284
TECHTOP CAST IRON NEMA FEET 284T FRAME (PAIR)
--
Steel Fan Cover
SFC280
TECHTOP STEEL FAN COVER FOR CAST IRON MOTORS (NEMA 280T / IEC 180)
--
Cast Iron Fan Cover
CFC280
TECHTOP CAST IRON FAN COVER FOR CAST IRON MOTORS (NEMA 280T / IEC 180)
--
DE Plate
CEP280
TECHTOP CAST IRON END PLATE FOR CAST IRON MOTORS (NEMA 280T / IEC 180)
--
ODE Plate
CEP280
TECHTOP CAST IRON END PLATE FOR CAST IRON MOTORS (NEMA 280T / IEC 180)
--
DE Oil Seal
55*75*8
--
--
--
ODE Oil Seal
55*75*8
--
--
--
Shaft Slinger
53*107*8
--
--
--
Brass Drain
M5DRAIN
M5 THREADED BRASS SINTERED DRAIN
--
Brass Drain Plastic Plug
M5PLUG
M5 THREADED PLASTIC DRAIN PLUG
--
DE Bearing Retainer
CBRO6311-WW
Techtop Cast Iron Bearing Retainer Outer Wavy Washer End (280T, 280TS / 180)
--
ODE Bearing Retainer
CBRO6311
Techtop Cast Iron Bearing Retainer Outer NO Wavy Washer End (280T, 280TS / 180)
--
Wavy Washer
WW6311
WAVY (SPRING) WASHER FOR BEARING SIZE 6311
--


ACCESSORIES cast iron
Accessories
Part #
Description
Price
Stock
Qty
C-Flange Kit
CFK-280T
280TC CAST IRON C-FLANGE KIT
--
D-Flange Kit
DFK-280T
280TD CAST IRON D-FLANGE KIT
--
Steel Drip Cover
SDC280
TECHTOP STEEL DRIP COVER FOR STEEL/CAST IRON FAN COVER (NEMA 280T / IEC 180)
--
Slide Base
B284T
284T DOUBLE ADJ. MOTOR SLIDE BASE
--
Conversion Base
CB3228T
CB3228T U-FRAME/T-FRAME MOTOR CONVERSION BASE
--



Models & Pricing