background image

Do not touch the Inverter fins, braking resistors and the motor, which 
become too hot during the power supply and for some time after the 
power shutoff. Doing so may result in a burn.

CAUTION

The Inverter has high voltage parts inside which, if short-circuited, 
might cause damage to itself or other property. Place covers on the 
openings or take other precautions to make sure that no metal objects 
such as cutting bits or lead wire scraps go inside when installing and 
wiring.

Install a stop motion device to ensure safety. Not doing so might result 
in a minor injury. (A holding brake is not a stop motion device designed 
to ensure safety.)

Be sure to use a specified type of braking resistor / regenerative 
braking unit. In case of a braking resistor, install a thermal relay that 
monitors the temperature of the resistor. Not doing so might result in a 
moderate burn due to the heat generated in the braking resistor / 
regenerative braking unit. Configure a sequence that enables the 
Inverter power to turn off when unusual overheating is detected in the 
braking resistor / regenerative braking unit.

Do not connect resistors to the terminals (+1, P/+2, N/-) directly.
Doing so might result in a small-scale fire, heat generation or damage 
to the unit.

Do not dismantle, repair or modify the product.
Doing so may result in an injury.

Take safety precautions such as setting up a molded-case circut 
breaker(MCCB) that matches the Inverter capacity on the power 
supply side. Not doing so might result in damage to property due to 
the short circuit of the load.

Precautions for Safe Use

„

Installation and Storage

Do not store or use the product in the following places.

x

 Locations subject to direct sunlight.

x

 Locations subject to ambient temperature exceeding the specifications.

x

 Locations subject to relative humidity exceeding the specifications.

x

 Locations subject to condensation due to severe temperature fluctuations.

x

 Locations subject to corrosive or flammable gases.

x

 Locations subject to exposure to combustibles.

x

 Locations subject to dust (especially iron dust) or salts.

x

 Locations subject to exposure to water, oil, or chemicals.

x

 Locations subject to shock or vibration.

„

Transporting, Installation and Wiring

x

 Do not drop or apply a strong impact on the product.

Doing so may result in damaged parts or malfunction.

x

 Do not hold by the front cover, but hold by the fins during transportation.

x

 Do not connect an AC power supply voltage to the control input / output 

terminals. Doing so may result in damage to the product.

x

 Be sure to tighten the screws on the terminal block securely. Wiring work 

must be done after installing the unit body.

x

 Do not connect any load other than a three-phase inductive motor to the

U, V and W output terminals.

x

 Take sufficient shielding measures when using the product in the following 

locations. Not doing so may result in damage to the product.

Locations subject to static electricity or other forms of noise.
Locations subject to strong magnetic fields.
Locations close to power lines.

„

Operation and Adjustment

x

 Be sure to confirm the permissible range of motors and machines before

operation because the inverter speed can be changed easily from low to 
high.

x

 Provide a separate holding brake if necessary.

„

Maintenance and Inspection

x

 Be sure to confirm safety before conducting maintenance, 

inspection or parts replacement.

x

 Mount the product vertically on a wall or on a DIN Rail(optional) with the 

product’ s longer sides upright.
The material of the wall has to be nonflammable such as a metal plate.

x

 Confirm that the rated input voltage of the Inverter is the same as AC 

power supply voltage.

Precautions for Correct Use

„

Installation

„

Main Circuit Power Supply

„

Error Retry Function

x

 Do not come close to the machine when using the error retry function 

because the machine may abruptly start when stopped by an alarm.

x

 Be sure to confirm the RUN signal is turned off before resetting the alarm 

because the machine may abruptly start.

„

Operation Stop Command

„

Non-Stop Function at Momentary Power Interruption

x

 Provide a separate emergency stop switch because the STOP Key on the 

Operator is valid only when function settings are performed.

x

 When checking a signal during the power supply and the voltage is 

erroneously applied to the control input terminals, the motor may start 
abruptly. Be sure to confirm safety before checking a signal.

„

Product Disposal

x

 Comply with the local ordinance and regulations when disposing of the product.

UL Cautions

The warnings and instructions in this section summarizes the procedures 
necessary to ensure an inverter installation complies with Underwriters 
Laboratories guidelines.

x

 Use 60/75°C Cu wire only.

(For models: A2015, A2022, A2037, A2055, A2075, AE007, AE015, 
AE022) 

x

 Use 75°C Cu wire only.

(For models: A2002, A2004, A2007, A4022, A4037, A4055, A4075, 
AE002, AE004)

x

 Use 60°C Cu wire only.

(For models: A4004, A4007, A4015)

x

 Open Type Equipment.

x

 Suitable for use on a circuit capable of delivering not more than 100k rms 

symmetrical amperes, 240 V maximum when protected by Class J fuses.
(For models: -A2055 and -A2075)

x

 Suitable for use on a circuit capable of delivering not more than 100k rms 

symmetrical amperes, 240V maximum when protected by Class CC, G, J
or R fuse or circuit breaker having an interrupting rating not les than 
100,000 rms symmetrical amperes, 240 volts maximum.
(For models: 200V class except models with -A2055 or -A2075)

x

 Suitable for use on a circuit capable of delivering not more than 100k rms 

symmetrical amperes, 480V maximum when protected by Class CC, G, J
or R fuse or circuit breaker having an interrupting rating not les than 
100,000 rms symmetrical amperes, 480 volts maximum.
(For models: 400V class)

x

 Install device in pollution degree 2 environment. 

x

 Maximum Surrounding Air Temperature 50°C.

x

 Caution-Risk of electric shock, capacitor discharge time is at least 5 

minutes.

x

 Solid State motor overload protection is provided in each model.

x

 Integral solid state short circuit protection does not provide branch circuit 

protection. Branch circuit protection must be provided in accordance with 
the National Electric Code and any additional local codes.

x

 Motor over temperature protection is not provided by the drive.

„

Circuit breaker and Fuse Size

„

Terminal Tightening Torque and Wire Size

Conformance to EU Directives

„

OMRON Corporation

Shiokoji Horikawa, Shimogyo-ku, Kyoto, 600-8530, Japan

„

Omron Europe B.V.

Wegalaan 67-69, NL-2132 JD Hoofddorp, The Netherlands

x

 Do not come close to the machine when selecting restart in the non-stop 

function at momentary power interruption selection(b050) because the 
machine may abruptly start after the power is turned on.

NT302XE

The wire size range and tightening torque for field wiring terminals are 
presented in the tables below.

200V

(class)

400V

(class)

0.75

7 1/2

14

(75°C only)

16

(60°C only)

14

(75°C only)

12

0.2

Inverter Model

(3G3JX-)

Input

Voltage

kW

HP

Power 

Terminal

Wiring Size

Range
(AWG)

Torque

Ft·lbs

(N·m)

Motor

Output

1/4

A2002/AE002

0.4

1/2

A2004/AE004

1

A2007

0.75

1

AE007

1.5

2

AE015

1.5

2

A2015

0.6

0.8

12

2.2

3

AE022

2.2

3

A2022

3.7

5

A2037

5.5

A2055

10

7.5

A2075

0.75

7 1/2

0.4

1/2

A4004

1

A4007

1.5

2

A4015

2.2

3

A4022

3.7

5

A4037

5.5

A4055

10

7.5

A4075

10

0.9

1.2

0.9

1.2

8

2.3

3.0

2.3

3.0

„

Wire Connectors

Field wiring connections must be made by a UL Listed and CSA certified 
ring lug terminal connector sized for the wire gauge being used. The 
connector must be fixed using the crimping tool secified by the connector 
manufacturer.

Terminal(ring lug) Cable support

Cable

The Inverter’ s connection to input power must include UL Listed inverse 
time circuit breakers with 600V rating, or UL Listed fuses as shown in the 
table below.

Input

Voltage

Inverter Model

(3G3JX-)

Circuit Breaker / Fuse

Ratings

(A)

200V

(class)

400V

(class)

A2002/AE002

A2004/AE004

A2007/AE007

AE015

AE022

A2022

A2037

A2055

A2075

A4004

A4007

A4015

A4022

A4037

A4055

A4075

Inverse time

circuit Breaker

Distribution Fuse

(Class J)

10

15

A2015

20

30

40

50

3

6

10

15

20

25

„

Motor Overload Protection

3G3JX Inverters provide solid state motor overload protection, which 
depends on the proper setting of the following parameters .

x

 b012 : electronic overload protection

x

 b212 : electronic overload protection, 2nd motor

Set the rated current [Amperes] of the motor(s) with the above 
parameters. The setting range is 0.2 rated current to 1.0 rated current.

When two or more motors are connected to the Inverter, they cannot be 
protected by the electronic overload protection. Install an external thermal 
relay on each motor.

x

 For earthing, selection of cable, and any other conditions for 

EMC-compliance, please refer to the User’ s manual for installation.

x

 This is a class A product in residential areas it may cause radio 

interference, in which case the user may be required to take adequate 
measures to reduce interference.

„

3G3JX series Inverter has integrated EMC filter as 

shown below

x

 200V class : EN61800-3 category C1

x

 400V class : EN61800-3 category C2

0193670-5C

Terminal

Conector

Wiring Size

Range(AWG)

Torque

Logic and Analog
connectors

30-16

30-14

0.16-0.19 0.22-0.25

Relay connector

0.37-0.44

0.5-0.6

Ft·lbs

(N·m)

Inverse time

circuit Breaker

AVERTISSEMENT: ne retirez pas le capot avant pendant l’alimentation 
et 5 minutes après l’arrêt de l’alimentation. Cela peut entraîner de 
grave blessure due à un choc électrique.

For KC Marking Only

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SUITABILITY FOR USE

Omron Companies shall not be responsible for conformity 
with any standards, codes or regulations which apply to 
the combination of the product in the buyer’s application 
or use of the product. 

At buyer’s request, Omron will provide applicable third party certification 
documents identifying ratings and limitations of use which apply to the product. 
This information by itself is not sufficient for a complete determination of the 
suitability of the product in combination with the end product, machine, system, 
or other application or use. Buyer shall be solely responsible for determining 
appropriateness of the particular product with respect to Buyer’s application, 
product or system. Buyer shall take application responsibility in all cases.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS 
RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT 
ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO 
ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY 
RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL 
EQUIPMENT OR SYSTEM.

Regional Headquarters 
OMRON EUROPE B.V.

Wegalaan 67-69, NL-2132 JD 
Hoofddorp
The Netherlands
Tel: (31)2356-81-300
Fax: (31)2356-81-388

OMRON ASIA PACIFIC PTE. LTD.

No. 438A Alexandra Road # 05-05/08
(Lobby 2), Alexandra Technopark, 
Singapore 119967
Tel: (65) 6835-3011
Fax: (65) 6835-2711

OMRON ELECTRONICS LLC

One Commerce Drive Schaumburg,
IL 60173-5302 U.S.A.
Tel: (1) 847-843-7900
Fax: (1) 847-843-7787

OMRON (CHINA) CO., LTD.

Room 2211, Bank of China Tower,
200 Yin Cheng Zhong Road,
Pu Dong New Area, Shanghai, 
200120, China
Tel: (86) 21-5037-2222
Fax: (86) 21-5037-2200

Note: 

Specifications subject to change without notice.

OMRON Corporation

Industrial Automation Company

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Tokyo, JAPAN

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