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Products / NEMA Motors / General Purpose Three Phase / Premium T-Frame Cast Iron Motors / GRC0502F-TC
Note: Image shown is a representation of the product and may not represent the exact model.

NEMA Motors GRC0502F-TC

50 HP, 3600 RPM, 3 Phase, 575V, 326TSC Rigid/C-Flange, TEFC NEMA Premium





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


  • Overview

  • Features

  • Specifications

  • Nameplate

  • Performance

  • Drawings & Wiring

  • Parts & Accessories

  • Models & Pricing

  • Downloads

Quick Specs

  • HP 50
  • RPM 3600
  • PHASE 3
  • VOLTAGE 575V
  • MOUNTING Rigid/C-Flange
  • 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 500HP, 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. L449T Frame is F1, F2, F0 field convertible
  • 1.25 Service Factor through 326T frame, 1.15 Service Factor for 364T and larger
  • 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 2, Groups A, B, C and D / Class I, Zone 2, Groups IIC, IIB, IIA
  • *CSA Certified for Class II, Division 2, Groups F & G
  • 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

Note: Features marked with an asterisk (*) only apply to motors with "-22" at the end of the part number.
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 the conduit box and stator body. DE and NDE end bell fitted with sintered brass one-way drain.

*Class II, Division 2 motors are equipped with metal-clad V-seals instead of double lip oil seals. These motors meet IP55 protection standards.


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
50
HP
-
kW
Rated Motor Speed
3560
r/min 60Hz
-
r/min 50Hz
Rated Motor Voltage (+/-10%)
575
V/60Hz
-
V/50Hz
Rated Motor Current
44.75
A (In) @ 60Hz
-
A (In) @ 50Hz
Phase
3
Ø
Locked Rotor Current @ High Voltage
399.76
A (In) @ 60Hz
Fl Current @ 208V
-
A (In) @ 60Hz
Service Factor
1.25
@ 60Hz
1
@ 50Hz
KVA Code
J
60Hz
-
50Hz
Nominal Efficiency
93
% @ 60Hz
Nominal Power Factor
0.9
cosφ @ 60Hz
Leads (Qty, Size)
6
10
Connection
D
−
Coil Resistance
0.1
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
63.3
ºC @ 60Hz
87.2
ºC @ 50Hz
GENERAL DATA
Frame Size
326TSC
Enclosure
TEFC
Mounting
Rigid/C-Flange
Approximate Weight (lbs.)
561.1 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
F1
Feet Removable / Double Drilled
YES
YES
Paintwork
7024
Graphite Gray
MECHANICAL DATA
Bearing DE Side
6312 C3
Bearing ODE Side
6312 C3
Grease Type
Mobil Polyrex EM
Compensation Ring (wavy washer)
NDE
Moment of Inertia (lb-ft2)
4.01
Sound Pressure @ 3 FT dBA
91
SITE CONDITIONS
Ambient Temperature (℃)
40
Meters Above Sea Level (MASL)
1000
HAZARDOUS LOCATIONS
CSA Certified
CSA Certified
Temperature Code
T3A
-

Nameplate

Download Nameplate
NAMEPLATE DATA
60Hz
50Hz
Horse Power
50
50
RPM
3560
-
Voltage
575
-
Full Load Amps
44.75
-
Service Factor
1.25
1
KVA Code
J
-
Full Load Amps (208V)
-
-
Nominal Efficiency
93
-
Nominal Power Factor
0.9
-
Design
A
Frame
326TSC
Enclosure Type
TEFC
IP Rating
55
Duty
Cont. / S1
Insulation Class
F
Ambient Rating
40°C
Drive End Bearing
6312 C3
Opposite Drive End Bearing
6312 C3
Weight (lbs)
561.1
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, Div. 2
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
235.3
319
Start Configuration
DOL
Pull-Up Torque
129.8
176
Starting Current (A)
399.76
Breakdown Torque
213.2
289
No-Load Current (A)
13.4
Full Load Torque
73.8
100
No-Load Power Factor


% OF RATED LOAD
25
50
75
100
125
S.F.
Line Amperes (A)
17.2
25.2
34.4
44.7
55.7
55.7
Efficiency (%)
89.3
93.1
93.9
93.9
93.4
93.4
Speed (r/min)
3591
3583
3574
3564
3553
3553
Power Factor (cosφ)
0.61
0.79
0.86
0.89
0.89
0.89
Input Power(kW)
10.36
19.86
29.54
39.42
49.53
49.53

Drawings & Wiring

3D CAD DRAWING 2D CAD DRAWING
Download PDF Drawing
DRAWING NUMBER
DIMENSIONS
MOUNTING
CASING MATERIAL
GR3-CI-TF-326TSC-CFC
Inches
Rigid/C-Flange
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-IE2-200-2
--
--
--
Conduit Box Kit
CB320
TECHTOP CAST IRON NEMA CONDUIT BOX 320T FRAME
--
Feet Kit
CRF326-DBL
TECHTOP CAST IRON NEMA FEET DOUBLE DRILLED 326T FRAME (PAIR)
--
Fan Cover
SFC320
TECHTOP STEEL FAN COVER FOR CAST IRON MOTORS (NEMA 320T / IEC 200)
--
Cast Iron Fan Cover
CFC320
TECHTOP CAST IRON FAN COVER FOR CAST IRON MOTORS (NEMA 320T / IEC 200)
--
ODE Plate
CEP320
TECHTOP CAST IRON END PLATE FOR CAST IRON MOTORS (NEMA 320T / IEC 200)
--
DE Oil Seal
60*80*8
--
--
--
ODE Oil Seal
60*80*8
--
--
--
Shaft Slinger
58*127*8
--
--
--
Brass Drain
M10DRAIN
M10 THREADED BRASS SINTERED DRAIN
--
Brass Drain Plastic Plug
M10PLUG
M10 THREADED PLASTIC DRAIN PLUG
--
DE Bearing Retainer
CBRO6312
TECHTOP CAST IRON OUTER LOCKING RETAINER FOR TEFC (320T, 320TS / 200)
--
ODE Bearing Retainer
CBRO6312-WW
TECHTOP CAST IRON OUTER WAVY WASHER RETAINER FOR TEFC (320T, 320TS / 200)
--
Wavy Washer
WW6312
WAVY (SPRING) WASHER FOR BEARING SIZE 6312
--


ACCESSORIES cast iron
Accessories
Part #
Description
Price
Stock
Qty
C-Flange Kit
CFK-320T
320TC CAST IRON C-FLANGE KIT AND 320JM/JP
--
D-Flange Kit
DFK-320T
320TD CAST IRON D-FLANGE KIT
--
Steel Drip Cover
SDC320
TECHTOP STEEL DRIP COVER FOR STEEL/CAST IRON FAN COVER (NEMA 320T / IEC 200)
--
Slide Base
B326T
326T DOUBLE ADJ. MOTOR SLIDE BASE
--
Conversion Base
CB3632T
CB3632T U-FRAME/T-FRAME MOTOR CONVERSION BASE
--
AEGIS Ring Install (DE Exterior)
SGR-58.8-1
AEGIS SHAFT GROUNDING RING KIT INSTALLED (320T / 200) FITS 6312
--
AEGIS Ring Install (ODE Exterior)
SGR-58.8-1
AEGIS SHAFT GROUNDING RING KIT INSTALLED (320T / 200) FITS 6312
--



Downloads


Models & Pricing

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