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OMRON Safety Relay Unit G9SE G9SE Series Catalog

Summary

Engineered for industrial automation, the G9SE safety relay provides robust, simple control in a compact, slim design. This unit simplifies complex wiring using Push-In Plus terminals while offering intuitive LED status indicators that drastically speed up troubleshooting and maintenance checks. Designed for safety engineers and facility managers needing to integrate E-stop switches or light curtains, the manual guides users through easy installation and diagnostics, ensuring reliable performance and maximizing control panel space in industrial settings.

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Safety Relay Unit G9SE Series Compact and Simple Safety Control

Slim design to save mounting space

OMRON Corporation Industrial Automation Company Authorized Distributor: Kyoto, JAPAN

Contact: www.ia.omron.com

Regional Headquarters

OMRON EUROPE B.V. OMRON ELECTRONICS LLC Wegalaan 67-69, 2132 JD Hoofddorp 2895 Greenspoint Parkway, Suite 200 The Netherlands Hoffman Estates, IL 60169 U.S.A. Tel: (31)2356-81-300/Fax: (31)2356-81-388 Tel: (1) 847-843-7900/Fax: (1) 847-843-7787

© OMRON Corporation 2015-2017 All Rights Reserved.

OMRON ASIA PACIFIC PTE. LTD. OMRON (CHINA) CO., LTD.

In the interest of product improvement,

No. 438A Alexandra Road # 05-05/08 (Lobby 2), Room 2211, Bank of China Tower,

specifications are subject to change without notice.

Alexandra Technopark, 200 Yin Cheng Zhong Road, Singapore 119967 Pu Dong New Area, Shanghai, 200120, China

Tel: (65) 6835-3011/Fax: (65) 6835-2711 Tel: (86) 21-5037-2222/Fax: (86) 21-5037-2200 Cat. No. J198-E1-03 1217 (0115)

Page Summary Contents For OMRON Safety Relay Unit G9SE G9SE Series Catalog

Page 1 Safety Relay Unit G9SE Series Compact and Simple Safety Control Slim design to save mounting space OMRON Corporation Industrial Automation Company Authorized Distributor: Kyoto, JAPAN Contact: www.ia....
Page 2 Compact and easy-to-install units with safety outputs Helps increase your productivity, from installation to mainte nance Omron's new G9SE series of safety relay units offers an easy approach for vari...
Page 3 Compact and easy-to-install units with safety outputs Helps increase your productivity, from installation to mainte nance Omron's new G9SE series of safety relay units offers an easy approach for vari...
Page 4 Simple wiring using Push-In Plus terminal block Faster troubleshooting with status indicators Easy and reliable installation and maintenance The indicators of conventional safety relay units only indi...
Page 5 Simple wiring using Push-In Plus terminal block Faster troubleshooting with status indicators Easy and reliable installation and maintenance The indicators of conventional safety relay units only indi...
Page 6 Applications Molding machine Safety circuit for machine Safety relay unit G9SE Door position and open/close detection Safety limit switch D4B-□N Small safety limit switch D4N/D4F Emergency stop for ma...
Page 7 Shrink-wrap machine Safety circuit for machine Safety relay unit G9SE Detecting entry Safety light curtain F3SG-R series F3SJ series Emergency stop for machine Emergency stop switch A22NE-P Elevator/e...
Page 8 Safety Relay Unit G9SE Complete line-up of compact units, including OFF-delayed safety output models 17.5 or 22.5 mm width to save mounting space Simple wiring using Push-In Plus terminal block Easy m...
Page 9 Specifications Ratings Power Input Model G9SE-201 G9SE-401 G9SE-221-T@ Item Rated supply voltage 24 VDC Operating voltage range -15% to 10% of rated supply voltage Rated power consumption *1 3 W max. ...
Page 10 G9SE Connection Internal Connection G9SE-201 G9SE-401 Safety Safety Input 1 Input 1 Power Reset/ Power Reset/ Safety Feedback Safety Feedback Outputs supply supply Input Outputs Input (instanta circui...
Page 11 Wiring of inputs and outputs Signal Terminal Description of operation Wiring Name Name Power supply The input terminals for power supply. Connect the power supply plus to the A1 terminal. input Connec...
Page 12 G9SE Appearance and Explanation of Each Parts Type G9SE-201 Type G9SE-201 Type G9SE-201@ 5. OFF-delay time preset switch Power Supply Safety Input1 Safety Input2 Reset/Feedback Input Auxiliary output ...
Page 13 Application Examples Highest achievable PL/ Model Stop category Reset safety category Emergency Stop Pushbutton A22NE-P PLe/4 equivalent Manual Safety Relay Unit G9SE-201 Note: The above PL is only th...
Page 14 Highest achievable PL/ Model Stop category Reset safety category Safety Light Curtain F3SJ-A/-B/-E PLe/4 equivalent Auto Safety Relay Unit G9SE-401 Note: The above PL is only the evaluation result of ...
Page 15 Highest achievable PL/ Model Stop category Reset safety category Safety Limit Switch D4B-N/D4N/D4F PLe/4 equivalent Guard Lock Safety Door Switch D4SL-N/D4NL/D4JL Manual Safety Relay Unit G9SE-221-T05...
Page 16 G9SE Safety Precautions Be sure to read the Common Precautions for Safety Warning at the following URL: http://www.ia.omron.com/. Indication and Meaning for Safe Use Indicates a potentially hazardous ...
Page 17 (12) Start entire system after more than 2s have passed since Precautions for Correct Use applying supply voltage to G9SE. (13) Set the time duration of OFF-delay (Type G9SE-221-T@) (1) Handle with ca...
Page 18 Wiring Standards Use the following to wire to G9SE. Certified Standards - Solid wire: AWG24 to AWG16 (0.25 to 1.5 mm2) EN ISO13849-1: 2015 PL e Safety Category 4, - Stranded wire: AWG24 to AWG16 (0.25...
Page 19 Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questi...
Page 20 Safety Relay Unit G9SE Series Compact and Simple Safety Control Slim design to save mounting space OMRON Corporation Industrial Automation Company Authorized Distributor: Kyoto, JAPAN Contact: www.ia....

Manual Details

Brand Omron
Pages 20
File Size 3.42 MB
Published June 05, 2026
69 views

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Frequently Asked Questions

How much space does the G9SE series save in a control panel?

It has a slim design of only 17.5 or 22.5 mm, saving mounting space.

What improves troubleshooting when using this relay unit?

The intuitive LED indicators show the operating status of safety inputs and instantaneous output status after an error occurs.

What terminal block is used for easier wiring?

It uses a Push-In Plus terminal block located on the front of the unit, making installation quicker.

What kind of external devices can connect to the G9SE series?

A wide variety of safety input devices such as emergency stop switches, door switches, and light curtains can be connected.