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NEMA Motors GRC1256F

125 HP, 1200 RPM, 3 Phase, 575V, 445T Rigid, TEFC NEMA Premium





IN STOCK Toronto, ON
IN STOCK Montreal, QC
IN STOCK Moncton, NB
IN STOCK Vancouver, BC
IN STOCK Winnipeg, MB
data package


Quick Specs

  • HP 125
  • RPM 1200
  • 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
125
HP
-
kW
Rated Motor Speed
1190
r/min 60Hz
-
r/min 50Hz
Rated Motor Voltage (+/-10%)
575
V/60Hz
-
V/50Hz
Rated Motor Current
117.34
A (In) @ 60Hz
-
A (In) @ 50Hz
Phase
3
Ø
Locked Rotor Current @ High Voltage
920.8
A (In) @ 60Hz
Fl Current @ 208V
-
A (In) @ 60Hz
Service Factor
1.15
@ 60Hz
1
@ 50Hz
KVA Code
J
60Hz
-
50Hz
Nominal Efficiency
95
% @ 60Hz
Nominal Power Factor
0.84
cosφ @ 60Hz
Leads (Qty, Size)
6
2
Connection
D
Coil Resistance
0.028
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
60.3
ºC @ 60Hz
-
ºC @ 50Hz
GENERAL DATA
Frame Size
445T
Enclosure
TEFC
Mounting
Rigid
Approximate Weight (lbs.)
1784.4 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 3"
Feet Removable / Double Drilled
NO
YES
Paintwork
7024
Graphite Gray
MECHANICAL DATA
Bearing DE Side
NU319
Bearing ODE Side
6319 C3
Grease Type
Mobil Polyrex EM
Compensation Ring (wavy washer)
None
Moment of Inertia (lb-ft2)
89.79
Sound Pressure @ 3 FT dBA
83.1
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
125
125
RPM
1190
-
Voltage
575
-
Full Load Amps
117.34
-
Service Factor
1.15
1
KVA Code
J
-
Full Load Amps (208V)
-
-
Nominal Efficiency
95
-
Nominal Power Factor
0.84
-
Design
A
Frame
445T
Enclosure Type
TEFC
IP Rating
55
Duty
Cont. / S1
Insulation Class
F
Ambient Rating
40°C
Drive End Bearing
NU319
Opposite Drive End Bearing
6319 C3
Weight (lbs)
1784.4
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
1450.9
263
Start Configuration
DOL
Pull-Up Torque
811.0
147
Starting Current (A)
920.80
Breakdown Torque
1544.7
280
No-Load Current (A)
43.4
Full Load Torque
551.7
100
No-Load Power Factor
0.05


% OF RATED LOAD
25
50
75
100
125
S.F.
Line Amperes (A)
52.1
69.7
91.5
116.5
143.8
132.8
Efficiency (%)
90.8
94.3
95.1
95.1
94.9
94.8
Speed (r/min)
1198
1196
1194
1192
1190
1190
Power Factor (cosφ)
0.49
0.71
0.81
0.84
0.86
0.86
Input Power(kW)
25.60
49.32
73.35
97.76
122.55
113.11

Drawings & Wiring

3D CAD DRAWING 2D CAD DRAWING
Download PDF Drawing
DRAWING NUMBER
DIMENSIONS
MOUNTING
CASING MATERIAL
GR3-CI-TF-444(5)T-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-T1C-280-4,6
--
--
--
Conduit Box Kit
CB440
TECHTOP CAST IRON NEMA CONDUIT BOX 440T FRAME
--
Steel Fan Cover
SFC440
TECHTOP STEEL FAN COVER FOR CAST IRON MOTORS (NEMA 440T / IEC 280)
--
Cast Iron Fan Cover
CFC440
TECHTOP CAST IRON FAN COVER FOR CAST IRON MOTORS (NEMA 440T / IEC 280)
--
DE Plate
CEP440-4,6
TECHTOP CAST IRON END PLATE FOR CAST IRON MOTORS (NEMA 440T / IEC 280)
--
ODE Plate
CEP440-4,6
TECHTOP CAST IRON END PLATE FOR CAST IRON MOTORS (NEMA 440T / IEC 280)
--
DE Oil Seal
95*120*12
--
--
--
ODE Oil Seal
95*120*12
--
--
--
Shaft Slinger
93*198*10
--
--
--
Brass Drain
M10DRAIN
M10 THREADED BRASS SINTERED DRAIN
--
Brass Drain Plastic Plug
M10PLUG
M10 THREADED PLASTIC DRAIN PLUG
--
DE Bearing Retainer
CBRO6319/NU319
Techtop Cast Iron Bearing Retainer Outer NO Wavy Washer End (440T)
--
ODE Bearing Retainer
CBRO6319/NU319
Techtop Cast Iron Bearing Retainer Outer NO Wavy Washer End (440T)
--


ACCESSORIES cast iron
Accessories
Part #
Description
Price
Stock
Qty
C-Flange Kit
CFKG-440T-4,6P
440TC CAST IRON C-FLANGE KIT 4\6P GR LINE
--
D-Flange Kit
DFK-440T-4,6
--
--
--
Steel Drip Cover
SDC440
TECHTOP STEEL DRIP COVER FOR STEEL/CAST IRON FAN COVER (NEMA 440T / IEC 280)
--
Slide Base
B445T
445T DOUBLE ADJ. MOTOR SLIDE BASE
--



Models & Pricing