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Omron G9SE-401
by Omron
Read verified buyer reviews ↓OverviewThe Omron G9SE-401 is an innovative 4-channel compact safety relay unit, specifically engineered to boost the safety integrity of industrial automation systems. This robust device is crucial for protecting personnel and machinery by providing an immediate and dependable response to hazardous situations. With its four Normally Open (NO) safety contacts, it offers flexible control over multiple safety functions simultaneously. The G9SE-401’s dual-channel input design ensures exceptional redundancy and fault detection, making it an essential component for applications demanding peak safety performance. Operating efficiently at 24 VDC, this unit integrates smoothly into various industrial control environments, proving ideal for vital safety applications like emergency stop circuits and meticulous safety door monitoring. Its intelligent design and advanced features guarantee that your machinery operates within the safest parameters, mitigating risks and improving operational uptime.Key Features Four NO Safety Contacts: Provides extensive output capabilities for comprehensive and multi-faceted safety control across diverse applications. Dual-Channel Input: Significantly enhances system reliability and robustness by continuously monitoring two independent input channels, ensuring critical safety functions are always active. 24 VDC Operation: Offers seamless compatibility with widely adopted industrial control voltages, simplifying integration into existing systems. Compact Design: Boasting a slim 22.5 mm width, this unit is engineered to maximize panel space efficiency, allowing for higher density installations without compromising performance. DIN Rail Mounting: Facilitates quick, secure, and straightforward installation within control cabinets, minimizing setup time and effort. LED Indicators: Equipped with clear and intuitive LED indicators that provide instant visual feedback on input, output, and power supply status, simplifying diagnostics and monitoring. Auxiliary Output: Features an additional 1 PNP transistor output for enhanced flexibility in system integration and signaling. Technical Specifications Model Number: G9SE-401 Input Type: Dual-channel Safety Outputs: 4 NO contacts Auxiliary Output: 1 PNP transistor output Rated Voltage: 24 VDC Contact Rating: 5 A at 250 VAC / 30 VDC (resistive load) Power Consumption: 4 W max Operating Temperature: -10°C to 55°C Mounting: DIN rail Width: 22.5 mm Certifications: CE, cULus, EN ISO 13849-1 (PLe), IEC 62061 (SIL3) Applications Emergency Stop Circuits: Guarantees immediate and reliable shutdown of machinery in high-risk scenarios, preventing accidents and protecting operators. Safety Door Monitoring: Precisely monitors the open/closed status of safety doors and gates, ensuring machinery ceases operation when access points are compromised. Light Curtain Integration: Seamlessly interfaces with safety light curtains to establish protective zones, instantly detecting intrusions and safeguarding personnel. Two-Hand Control Systems: Essential for applications requiring operators to use both hands simultaneously, verifying safe engagement with machinery. Press and Punching Machines: Provides critical safety functions for dangerous machinery, minimizing risk during operation. Robotic Work Cells: Integrates into robotic systems to ensure safe interaction between humans and robots. Why Choose This Model?The Omron G9SE-401 stands out as a superior choice for industrial safety due to its unparalleled combination of advanced features, robust design, and adherence to international safety standards. Its dual-channel input and multiple safety outputs provide an exceptionally strong foundation for comprehensive safety protection, significantly reducing the likelihood of accidents. Businesses prioritizing efficient space utilization will appreciate its remarkably slim design, which allows for the installation of high-density control panel configurations without sacrificing performance or safety.Order NowReady to elevate your industrial safety standards? Order the Omron G9SE-401 today and experience the peace of mind that comes with superior protection and enhanced operational efficiency. Contact us for competitive pricing and expert support.FAQWhat is the primary function of the Omron G9SE-401?The Omron G9SE-401 is a 4-channel compact safety relay unit designed to improve safety in industrial automation systems by safeguarding personnel and equipment through quick, dependable responses to hazardous situations.How does the dual-channel input enhance safety?The dual-channel input design of the G9SE-401 significantly increases system reliability and robustness by continuously monitoring two independent input channels, ensuring that critical safety functions are always active and providing redundancy.What are the power requirements for this safety relay?The Omron G9SE-401 operates efficiently at 24 VDC, making it seamlessly compatible with widely adopted industrial control voltages and simplifying its integration into existing systems.Can this unit be used in space-constrained control panels?Yes, with its slim 22.5 mm width, the G9SE-401 is engineered for compact installations, maximizing panel space efficiency and allowing for higher density setups without compromising performance.What types of applications benefit most from the G9SE-401?The G9SE-401 is ideal for a wide range of critical safety applications, including emergency stop circuits, safety door monitoring, integration with light curtains, two-hand control systems, press and punching machines, and robotic work cells.
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Omron G9SE-401
Overview
This is a genuine Omron component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Omron catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Omron automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Omron equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Omron catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Omron platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Number: G9SE-401
- Input Type: Dual-channel
- Safety Outputs: 4 NO contacts
- Auxiliary Output: 1 PNP transistor output
- Rated Voltage: 24 VDC
- Contact Rating: 5 A at 250 VAC / 30 VDC (resistive load)
- Power Consumption: 4 W max
- Operating Temperature: -10°C to 55°C
- Mounting: DIN rail
- Width: 22.5 mm
- Certifications: CE, cULus, EN ISO 13849-1 (PLe), IEC 62061 (SIL3)
Applications
- Emergency Stop Circuits: Guarantees immediate and reliable shutdown of machinery in high-risk scenarios, preventing accidents and protecting operators.
- Safety Door Monitoring: Precisely monitors the open/closed status of safety doors and gates, ensuring machinery ceases operation when access points are compromised.
- Light Curtain Integration: Seamlessly interfaces with safety light curtains to establish protective zones, instantly detecting intrusions and safeguarding personnel.
- Two-Hand Control Systems: Essential for applications requiring operators to use both hands simultaneously, verifying safe engagement with machinery.
- Press and Punching Machines: Provides critical safety functions for dangerous machinery, minimizing risk during operation.
- Robotic Work Cells: Integrates into robotic systems to ensure safe interaction between humans and robots.
Why Choose the G9SE-401?
The Omron G9SE-401 stands out as a superior choice for industrial safety due to its unparalleled combination of advanced features, robust design, and adherence to international safety standards. Its dual-channel input and multiple safety outputs provide an exceptionally strong foundation for comprehensive safety protection, significantly reducing the likelihood of accidents. Businesses prioritizing efficient space utilization will appreciate its remarkably slim design, which allows for the installation of high-density control panel configurations without sacrificing performance or safety.
Availability & Shipping
- ▸In stock: G9SE-401 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every G9SE-401 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Omron
Machine down? We ship parts the same day.
New, surplus, and refurbished Omron inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.