Marathon Electric 056C11G5303 Product Information Packet

PRODUCT INFORMATION PACKET

Model No: 056C11G5303

Catalog No: K033

0.25 HP Explosion Proof Motor, 1 phase, 1200 RPM, 115 V, 56 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: 056C11G5303, Catalog No:K033 0.25 HP Explosion Proof Motor, 1 phase, 1200 RPM, 115 V, 56 Frame, EPFC

Nameplate Specifications

Output HP 0.25 Hp Output KW 0.19 kW
Frequency 60 Hz Voltage 115 V
Current 5.4 A Speed 1140 rpm
Service Factor 1 Phase 1
Efficiency 47 % Power Factor 63
Duty Continuous Insulation Class B
Design Code NO DESIGN CODE KVA Code K
Frame 56 Enclosure Explosion Proof Fan cooled
Thermal Protection Automatic Ambient Temperature 40 °C
Drive End Bearing Size 6203 Opp Drive End Bearing Size 6203
UL UL Listed And CSA Certified CSA Y
CE N IP Code 54

Hazardous Location

EXP PROOF CL I GR D CL II GR F&G
T3B

Technical Specifications

Electrical Type Capacitor Start Induction Run Starting Method Across The Line
Poles 6 Rotation Selective Counterclockwise
Resistance Main 0 Ohms Mounting Resilient Base - Extended Studs
Motor Orientation Horizontal Drive End Bearing Ball
Opp Drive End Bearing Ball Frame Material Rolled Steel
Shaft Type NEMA 56 Overall Length 14.46 in
Frame Length 6.81 in Shaft Diameter 0.625 in
Shaft Extension 1.91 in Assembly/Box Mounting F1 ONLY
Outline Drawing B-104200-681 Connection Drawing 102005-95

This is an uncontrolled document once printed or downloaded and is subject to change without notice. Date Created:18/06/2020

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Uncontrolled Copy

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7/5/2007 10:58:43 AM -

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CERTIFICATION DATA SHEET

Model#: 56C11G5303 H WINDING#: ZC628 NONE 3
CONN. DIAGRAM: 102005-95 ASSEMBLY: F1 ONLY
OUTLINE: B-104200-681

TYPICAL MOTOR PERFORMANCE DATA

HP KW SYNC. RPM F.L. RPM FRAME ENCLOSURE KVA CODE DESIGN

1/4 0.19 1200 1140 56 EPFC K NO DESIGN

CODE

PH Hz VOLTS FL AMPS START TYPE DUTY INSL S.F AMB°C ELEVATION

1 60 115 5.4 ACROSS THE

LINE

CONTINUOUSB3 1.0 40 3300

FULL LOAD EFF: 47 3/4 LOAD EFF: 47.5 1/2 LOAD EFF: 39.5 GTD. EFF ELEC. TYPE NO LOAD AMPS

FULL LOAD PF: 63 3/4 LOAD PF: 50.5 1/2 LOAD PF: 42.5 0 CAP START IND RUN 4.7

F.L. TORQUE LOCKED ROTOR AMPS L.R. TORQUE B.D. TORQUE F.L. RISE°C

18.2 LB-FT 17.5 40.5 LB-FT 0 36 LB-FT 0 -

SOUND PRESSURE

@ 3 FT.

SOUND POWER ROTOR WK^2 MAX. WK^2 SAFE STALL TIME STARTS

/HOUR

APPROX. MOTOR

WGT

- dBA - dBA 0 LB-FT^2 - LB-FT^2 - SEC. - 0 LBS.

*** SUPPLEMENTAL INFORMATION ***

DE BRACKET

TYPE

ODE BRACKET

TYPE

MOUNT

TYPE

ORIENTATION SEVERE

DUTY

HAZARDOUS

LOCATION

DRIP

COVER

SCREENS PAINT

STANDARD STANDARD RESILIENT

BASE-

EXTENDED

STUDS

HORIZONTAL FALSE EXP PROOF CL

I GR D CL II GR

F&G T3B

FALSE NONE GRAY

(POWDER)

BEARINGS GREASE SHAFT TYPE SPECIAL DE SPECIAL ODE SHAFT

MATERIAL

FRAME

MATERIAL

DE OPE

BALL BALL POLYREX EM STANDARD 56 NONE NONE 1144

STRESSPROOF

(C-223)

ROLLED STEEL

6203 6203

THERMO-PROTECTORS THERMISTORS CONTROL SPACE /n HEATERS

THERMOSTATS PROTECTORS WDG RTDs BRG RTDs

NONE AUTOMATIC NONE NONE NONE FALSE NONE VOLTS

If Inverter equals NONE, contact factory for further

information

*
N
O
T
E
S
*

INVERTER TORQUE: NONE
INV. HP SPEED RANGE: NONE

ENCODER: NONE
NONE NONE
NONE NONE PPR

BRAKE: NONE NONE
NONE P/N NONE
NONE NONE
NONE FT-LB NONE V NONE Hz

DATE: 06/27/2017 06:34:04 AM
FORM 3531 REV.3 02/07/99

Uncontrolled Copy

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** Subject to change without notice.

Uncontrolled Copy

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HZ

60

1/7/2019

60

0.3

1210

0.3

0.3

1210

0.3

5.2

Uncontrolled Copy

MARATHON ELECTRIC CORPORATION

TYPICAL PERFORMANCE CURVE for AC MOTOR

Customer Curve at 115 Volts HP 0.25

60 HZ

Model No 56C11G5303 0.25 HP VOLTS 115

Catalog No K033

70 80 90 100

0.35 0.4 0.45 0.5

1220 1230 1240 1250

0.35 0.4 0.45 0.5

60 70 80 90 100

EFF

PF

HP

RPM

KW

5.3 5.4 5.5 5.6

0.35 0.4 0.45 0.5

0.35 0.4 0.45 0.5

1220 1230 1240 1250

60 70 80 90 10060 70 80 90 100

PF

HP

KW

EFF

RPM

AMPS

1

60 RPM 1140

Eff −

PF −

HP −

RPM −

KW −

Amps −

−

−−

−

−−

−

−−

−

−−

−

−−

−

−−

0 10 20 30 40 50

0 10 20 30 40 50

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

FL TORQUE 18.2 Oz.Ft FL AMPS 5.4
BD TORQUE 36.0 Oz.Ft PU TORQUE 26.5 Oz.Ft
LR TORQUE 40.5 Oz.Ft LR AMPS 17.5
WINDING ZC628-3 Date

0 0.05 0.1 0.15 0.2 0.25

0 2 4 6 8 10 12 14 16 18 20

1150 1160 1170 1180 1190 1200

0 2 4 6 8 10 12 14 16 18 20

0 0.05 0.1 0.15 0.2 0.25

Torque

0 10 20 30 40 50

0 10 20 30 40 50

0 0.05 0.1 0.15 0.2 0.25

0 0.05 0.1 0.15 0.2 0.25

4.6 4.7 4.8 4.9 5 5.1

1150 1160 1170 1180 1190 1200

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

0 2 4 6 8 10 12 14 16 18 20

Torque

Torque

Torque

Torque

Torque

Torque

Torque

Torque

Torque

Torque

Torque in Oz.Ft

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