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NT321XC-EN

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

2272699-9B

Do not change wiring, slide switches, optional devices, or replace 
cooling fans while power is being supplied.
Doing so may result in a serious injury due to an electric shock.

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.

„

Indications and Meanings of Safety Information

Safety Precautions

In this user’s Manual, the following precautions and signal words 
are used to provide information to ensure the safe use of the 
3G3MX2 Inverter.
The information provided here is vital to safety. Strictly observe 
the precautions provided.

„

Meanings of Signal Words

WARNING

Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate 
injury or in property damage. 

CAUTION

Indicates an imminently hazardous situation which, 
if not avoided, will result in minor or moderate injury,
or may result in serious injury or death. Additionally 
there may be significant property damage.

„

Alert Symbols in this Document

Turn off the power supply and implement wiring correctly.
Not doing so may result in a serious injury due to an electric shock.

WARNING

Be sure to ground the unit. Not doing so may result in a serious injury 
due to an electric shock or fire.
(200V class:type-D grounding, 400V class:type-C grounding)

Do not remove the front cover during the power supply and 10 minutes 
after the power shutoff. Doing so may result in a serious injury due to 
an electric shock.
Do not operate the Operator or switches with wet hands.
Doing so may result in a serious injury due to an electric shock.

Inspection of the Inverter must be conducted after the power supply 
has been turned off. Not doing so may result in a serious injury due to 
an electric shock.
The main power supply is not necessarily shut off even if the 
emergency shut off function is activated.

Wiring work must be carried out only by qualified personnel. Not 
doing so may result in a serious injury due to an electric shock.

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 (PD/+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.

„

Transporting, Installation and Wiring

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

Doing so may result in damaged parts or malfunction.

· Do not hold by the front cover, but hold by the fins during transportation.
· Do not connect an AC power supply voltage to the control input / output 

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

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

must be done after installing the unit body.

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

U, V and W output terminals.

· 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.

· If a parameter is set incorrectly when starting up, adjusting, maintaining, 

or replacing, an unexpected operation may occur. Perform the operation 
after enough confirmation.

· When using DriveProgramming, confirm that the program data is 

downloaded normally before starting operation.

„

Maintenance and Inspection

· Be sure to confirm safety before conducting maintenance, inspection or 

parts replacement.

· The life of the capacitor depends on the ambient temperatures. 

Refer to the product life curve shown in User’ s Manual. 
When the capacitor stops operating at the end of its service life, the 
Inverter must be replaced.

Precautions for Safe Use

„

Installation and Storage

Do not store or use the product in the following places.
· Locations subject to direct sunlight.
· Locations subject to ambient temperature exceeding the specifications.
· Locations subject to relative humidity exceeding the specifications.
· Locations subject to condensation due to severe temperature fluctuations.
· Locations subject to corrosive or flammable gases.
· Locations subject to exposure to combustibles.
· Locations subject to dust (especially iron dust) or salts.
· Locations subject to exposure to water, oil, or chemicals.
· Locations subject to shock or vibration.

„

Main Circuit Power Supply

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

power supply voltage.

„

Operation and Adjustment

· 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.

· Provide a separate holding brake if necessary.
· If the DriveProgramming stops during multi-function output, the output 

status is held. Take safety precautions such as stopping peripheral 
devices.

· Even if the inverter power supply is turned off, the counter-electromotive 

force occurs while the PM motor rotates, which may result in electric 
shock.
Do not remove the terminal block cover of the inverter until the PM motor 
stops.

„

Error Retry Function

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

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

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

because the machine may abruptly start.

„

Non-Stop Function at Momentary Power Interruption

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

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

· Mount the product vertically on a wall with the product’ s longer sides 

upright.
The material of the wall has to be nonflammable such as a metal plate.

Precautions for Correct Use

„

Installation

„

Operation Stop Command

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

the Operator is valid only when function settings are performed.

· 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.

UL Cautions

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

· Use 60/75°C Cu wire only.

(For models:3G3MX2-A2001, -A2002, -A2004, -A2007, -AB015, -AB022, 
-A4004, -A4007, -A4015, -A4022, and -A4030) 

· Use 75°C Cu wire only.

(For models:3G3MX2-AB001, -AB002, -AB004, -AB007, -A2015, -A2022, 
-A2037, -A2055, -A2075, -A2110, -A2150, -A4040, -A4055,-A4075, 
-A4110 and -A4150) 

· Suitable for use on a circuit capable of delivering not more than 100,000 

rms Symmetrical Amperes, 240 or 480 Volts Maximum.

· When Protected by CC, G, J, or R Class Fuses, or when Protected By A 

Circuit Breaker Having An Interrupting Rating Not Less Than 100,000 
rms Symmetrical Amperes, 240 or 480 Volts Maximum.

· Install device in pollution degree 2 environment. 
· Maximum surrounding air temperature rating of 50°C
· Solid State motor overload protection reacts with max. 150 % of FLA.
· 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.

· Motor over temperature protection is not provided by the drive.

„

Fuse Size

Class J

Model No.

Type

Rating

10A, AIC 200kA

3G3MX2-AB001, -AB002, -AB004

3G3MX2-AB007

3G3MX2-AB015

3G3MX2-A2001, -A2002, -A2004

3G3MX2-A2007, -A2015

3G3MX2-A2022

3G3MX2-A2037

3G3MX2-A2055, -A2075

3G3MX2-A2110, -A2150

3G3MX2-A4004, -A4007, -A4015, -A4022

3G3MX2-A4030, -A4040

3G3MX2-A4055, -A4075

3G3MX2-A4110, -A4150

20A, AIC 200kA

3G3MX2-AB022

30A, AIC 200kA

30A, AIC 200kA

10A, AIC 200kA

15A, AIC 200kA

20A, AIC 200kA

30A, AIC 200kA

60A, AIC 200kA

80A, AIC 200kA

10A, AIC 200kA

15A, AIC 200kA

30A, AIC 200kA

50A, AIC 200kA

The Inverter shall be connected with a UL Listed Cartridge Nonrenewable 
fuse, rated 600Vac with the current ratings as shown in the table below.

Conformance to EC Directives

· It is necessary to use optional EMC filter to comply with EMC directive

(EN61800-3).

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

compliance, please refer to the manual for installation.

„

OMRON Corporation

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

„

Omron Europe B.V.

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

Safety

For use of the drive as a safety device, to meet the requirements of the 
ISO13849-1, please refer to user’s manual.

For KC Marking Only

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„

Terminal symbols and Screw size

Model No.

Screw

Size

Required

Torque(N-m)

Wire Range

AWG16 (1.3 mm

2

)

3G3MX2-AB001, -AB002, -AB004

M3.5

1.0

3G3MX2-AB007

M4

1.4

AWG12 (3.3 mm

2

)

3G3MX2-AB015, -AB022

M4

1.4

AWG10 (5.3 mm

2

)

3G3MX2-A2001, -A2002, -A2004, -A2007

M3.5

1.0

AWG16 (1.3 mm

2

)

3G3MX2-A2015

M4

1.4

AWG14 (2.1 mm

2

)

3G3MX2-A2022

M4

1.4

AWG12 (3.3 mm

2

)

3G3MX2-A2037

M4

1.4

AWG10 (5.3 mm

2

)

3G3MX2-A2055, -A2075

M5

3.0

AWG6 (13 mm

2

)

3G3MX2-A2110

M6

3.9 to 5.1

AWG4 (21 mm

2

)

3G3MX2-A2150

M8

5.9 to 8.8

AWG2 (34 mm

2

)

3G3MX2-A4004, -A4007, -A4015

M4

1.4

AWG16 (1.3 mm

2

)

3G3MX2-A4022, -A4030

M4

1.4

AWG14 (2.1 mm

2

)

3G3MX2-A4040

AWG12 (3.3 mm

2

)

M4

1.4

3G3MX2-A4055, -A4075

AWG10 (5.3 mm

2

)

M5

3.0

3G3MX2-A4110, -A4150

AWG6 (13 mm2)

M6

3.9 to 5.1

„

Product Disposal

· Comply with the local ordinance and regulations when disposing of the 

product.

„

Maintenance

· The Inverter consists of many parts, which must operate properly to 

maximize its capabilities. Some electronic parts require maintenance 
depending on their operating conditions. To ensure proper operation of 
the Inverter over a long period of time, be sure to perform periodic 
inspections and replace parts according to their service life.
(Excerpt from “Recommendations for Periodic Inspections of General-
purpose Inverters” issued by JEMA)

AVERTISSEMENT: ne retirez pas le capot avant pendant l’alimentation
et 10 minutes après l’arrêt de l’alimentation. Cela peut entraîner de 
grave blessure due à un choc électrique.

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