PRODUCT INFORMATION PACKET
Model No: 284TSTGN16531
Catalog No: U076A
25 HP Explosion Proof Motor, 3 phase, 1800 RPM, 230/460 V, 284TS Frame, EPFC
Explosion Proof NEMA Motors
Regal and Marathon are trademarks of Regal Beloit Corporation or one of its affiliated companies.
©2020 Regal Beloit Corporation, All Rights Reserved. MC017097E
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Product Information Packet: Model No: 284TSTGN16531, Catalog No:U076A 25 HP Explosion Proof Motor, 3 phase, 1800 RPM, 230/460 V, 284TS
Frame, EPFC
Nameplate Specifications
Output HP 25 Hp Output KW 18.7 kW
Frequency 60 Hz Voltage 230/460 V
Current 62.0/31.0 A Speed 1774 rpm
Service Factor 1.15 Phase 3
Efficiency 93.6 % Power Factor 81
Duty Continuous Insulation Class F
Design Code B KVA Code G
Frame 284TS Enclosure Explosion Proof Fan cooled
Thermal Protection Thermostats (N/C) Ambient Temperature 40 °C
Drive End Bearing Size 6311 Opp Drive End Bearing Size 6210
UL UL Listed And CSA Certified CSA Y
CE N IP Code 54
Hazardous Location
EXP PROOF CL I GR C&D CL II GR
F&G T3B
Technical Specifications
Electrical Type Squirrel Cage Inverter Rated Starting Method Line Or Inverter
Poles 4 Rotation Reversible
Resistance Main .251 Ohms Mounting Rigid Base
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Cast Iron
Shaft Type TS Overall Length 24.97 in
Frame Length 12.75 in Shaft Diameter 1.625 in
Shaft Extension 3.44 in Assembly/Box Mounting F1 ONLY
Connection Drawing A-EE7308T Outline Drawing B-SS311004-1275
This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:27/05/2020
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7/25/2007 4:27:50 PM -
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Uncontrolled Copy
HIGH VOLTAGE
(U1) T1
(V1) T2
(W1) T3
(U2) T4
(U3) T7
(V2) T5
(V3) T8
(W2) T6
(W3) T9
LOW VOLTAGE
(U1) T1
(U3) T7
(V1) T2
(V3) T8
LOW VOLTAGE
T4 T5 T6
P1
HIGH VOLTAGE
T4 T7 T5 T8 T6 T9
L1
L2
L3
L1 T7 T1 L2 T8 T2 L3 T9 T3
L1 T1 L2 T2 L3 T3
P2
NOTE FOR FACTORY USE ONLY:
TO SURGE TEST FOR COMMON CONNECT:
HIGH VOLT: CONNECT P1 TO T1
THEN P2 TO L1
LOW VOLT: CONNECT P1 TO T1 & T7,
THEN P2 TO L1
L1
L2
P1
P2
PROT.
THREE PHASE
DUAL VOLTAGE MOTOR
PROT.
T1
T4
T7
T9
T6
T3
T8
T5
THERMO-PROTECTORS
CONNECTED IN SERIES
RED
OR
PURPLE
BLACK
BLACK
YELLOW
BROWN
ORANGE
BLACK
BLACK
T2
PURPLE
RED
BLUE
OR
RED
P1 (TB1)
T1 (U1)
T4 (U2)
T9 (W3)
T7 (U3)
T8 (V3)
T6 (W2)
T5 (V2)
T2 (V1)
T3 (W1)
P2 (TB2)
(W1) T3
(W3) T9
L3
(U2) T4
(V2) T5
(W2) T6
DRAWING REVISION
ECO
ECO DESCRIPTION
T
ECO-0159915
ADDED TERMINAL CONNECTION DIAGRAM
COPYRIGHT REGAL BELOIT AMERICA, INC. ALL RIGHTS RESERVED.
PROPRIETARY AND CONFIDENTIAL INFORMATION - THIS DOCUMENT IS THE PROPERTY OF
REGAL BELOIT AMERICA, INC. ("OWNER") AND CONTAINS OWNER'S PROPRIETARY
INFORMATION. ANY PERSON, CORPORATION OR OTHER FIRM RECEIVING IT IS DEEMED,
BY RECEIVING IT, TO AGREE THAT IT, AND/OR ANY PART OF IT, SHALL NOT BE DISCLOSED
TO ANY PERSON, CORPORATION OR OTHER ENTITY, DUPLICATED, AND/OR USED, EXCEPT
AS EXPRESSLY APPROVED IN WRITING IN ADVANCE BY OWNER. THIS DOCUMENT SHALL
BE RETURNED TO OWNER UPON REQUEST. IT MAY BE SUBJECT TO CERTAIN
RESTRICTIONS UNDER APPLICABLE EXPORT CONTROL LAWS AND REGULATIONS.
REVISION BY
ZR
APPROVED BY
DR
NOTE: LEAD'S COLOR CAN BE YELLOW OR WHITE FOR MT2 PLANT
DATE
01-14-2019
DATE
01-15-2019
DRAWN BY
DATE
APPROVED BY
DATE
REFERENCE
THIRD ANGLE
PROJECTION
SMC
05-13-1992
05-13-1992
EE7308/EE7300
PROT.
VIEW OF TERMINAL END
TM
Regal Beloit America, Inc.
TB
DESCRIPTION
CONN DIAGRAM-INTERNAL
MATERIAL
SIZE
DRAWING NUMBER
3 PHASE - DUAL VOLTAGE MOTOR
A
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EE7308T
PROCESS/FINISH
SHEET
1 OF 1
CERTIFICATION DATA SHEET
Model#: 284TSTGN16531 AA WINDING#: K2844120 NONE 6
CONN. DIAGRAM: A-EE7308T ASSEMBLY: F1 ONLY
OUTLINE: B-SS311004-1275
TYPICAL MOTOR PERFORMANCE DATA
HP KW SYNC. RPM F.L. RPM FRAME ENCLOSURE KVA CODE DESIGN
25&20 18.7&14.9 1800 1774&1470 284TS EPFC G B
PH Hz VOLTS FL AMPS START TYPE DUTY INSL S.F AMB°C ELEVATION
3 60/50 230/460#190/
380
62/31&60/30 LINE OR
INVERTER
CONTINUOUSF3 1.15/1.15 40 3300
FULL LOAD EFF:
93.6&93
3/4 LOAD EFF: 93.6 1/2 LOAD EFF: 93 GTD. EFF ELEC. TYPE NO LOAD AMPS
FULL LOAD PF: 81&81 3/4 LOAD PF: 75 1/2 LOAD PF: 65 92.4 SQ CAGE INV RATED 27 / 13.5
F.L. TORQUE LOCKED ROTOR AMPS L.R. TORQUE B.D. TORQUE F.L. RISE°C
74 LB-FT 362 / 181 140 LB-FT 189 215 LB-FT 291 60
SOUND PRESSURE
@ 3 FT.
SOUND POWER ROTOR WK^2 MAX. WK^2 SAFE STALL TIME STARTS
/HOUR
APPROX. MOTOR
WGT
65 dBA 75 dBA 4.2 LB-FT^2 175 LB-FT^2 25 SEC. 2 475 LBS.
*** SUPPLEMENTAL INFORMATION ***
DE BRACKET
TYPE
ODE BRACKET
TYPE
MOUNT
TYPE
ORIENTATION SEVERE
DUTY
HAZARDOUS
LOCATION
DRIP
COVER
SCREENS PAINT
STANDARD STANDARD RIGID HORIZONTAL PREMIUM
SEVERE DUTY
EXP PROOF CL
I GR C&D CL II
GR F&G T3B
FALSE NONE BLUE (EPOXY)
BEARINGS GREASE SHAFT TYPE SPECIAL DE SPECIAL ODE SHAFT
MATERIAL
FRAME
MATERIAL
DE OPE
BALL BALL POLYREX EM TS NONE NONE 1045 HOT
ROLLED (C-204)
CAST IRON
6311 6210
THERMO-PROTECTORS THERMISTORS CONTROL SPACE /n HEATERS
THERMOSTATS PROTECTORS WDG RTDs BRG RTDs
TSTATS (N/C) NOT NONE NONE NONE FALSE NONE VOLTS
If Inverter equals NONE, contact factory for further
information
*
N
O
T
E
S
*
INVERTER TORQUE: CONSTANT 10:1
INV. HP SPEED RANGE: NONE
ENCODER: NONE
NONE NONE
NONE NONE PPR
BRAKE: NONE NONE
NONE P/N NONE
NONE NONE
- FT-LB NONE V NONE Hz
DATE: 06/23/2017 08:15:48 AM
FORM 3531 REV.3 02/07/99
** Subject to change without notice.
Uncontrolled Copy
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Date:
Customer:
Attention:
Submitted by:
Data @
460
v
Load 0% 25% 50% 75% 100% 115% 125% LR
Current (Amps)
13.5 15.5 19.5 25.0 31.0 34.5 37.5 181
Torque (ft-lb)
0.00 18.5 37.0 55.5 74.0 85.5 93.0 140
RPM
1800 1795 1785 1780 1774 1,765 1760 0
Efficiency (%)
88.5 93.0 93.6 93.6 93.6 93.0
P.F. (%)
5.5 43.0 65.0 75.0 81.0 82.0 82.5 33.0
LR Pull-Up BD Rated Idle
Speed (RPM)
0 900 1675 1774 1800
Information Block
Current (Amps)
181 165 125 31.0 13.5 25.0
Torque (ft-lb)
140 130 215 74.0 0.00 1800
284
TEFC
TFN
V
60
Hz
B
G
1.15
55
°
C
CONT
40
°
C
1,000
feet
4.2
Lb-Ft²
K2844120 NONE
65 dBA
Additional Specifications:
R1 R2 X1 X2 Xm
0.1500 0.1540 0.8520 1.0660 20.0640
CONSTANT 10:1
0
365THFS8036
EQUIV CKT (OHMS / PHASE)
Ref Wdg
Sound Pressure @ 1M
VFD Rating
Outline Dwg B-SS311004-1275
Conn. Diag A-EE7308T
Rotor/Shaft wk²
Voltage
Frequency
Design
LR Code letter
Service Factor
Temp Rise @ FL
Duty
Ambient
Elevation
Construction
Motor Speed Data
HP
Sync. RPM
Frame
Enclosure
Motor Load Data
Submittal
FAREEDA DUDEKULA
Data Sheet
19-06-2017 284TSTGN16531
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
0% 20% 40% 60% 80% 100% 120% 140%
Efficiency (%) P.F. (%) Cu rrent (Amps)
LOAD
A
M
P
S
E
F
F
P
F
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
0.0
50.0
100.0
150.0
200.0
250.0
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Speed -Torque Curve
Torque Amps
RPM
T
O
R
Q
U
E
A
M
P
S
Uncontrolled Copy
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