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2-4 WEEKS LEAD TIME
24
24 MONTH REPAIR WARRANTY
ISO CERTIFIED QUALITY
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Product Description
The Siemens 3TX4440-0A is a highly reliable and robust safety relay designed for monitoring emergency stop buttons, safety gates, and light curtains in industrial automation systems. This compact device features positively driven contacts, ensuring safe shutdown of machinery in critical situations. It boasts a wide voltage range, accommodating various power supply configurations, and offers versatile connection options for seamless integration into existing safety circuits. The 3TX4440-0A provides immediate and dependable response to safety-related events, enhancing overall workplace safety and minimizing potential hazards. Diagnostic LEDs offer clear status indication, simplifying troubleshooting and maintenance procedures. Its durable construction and adherence to stringent safety standards guarantee long-term performance and compliance with industry regulations, making it an indispensable component for safeguarding personnel and equipment.
Technical specifications
The Siemens 3TX4440-0A is a robust and reliable safety relay designed for monitoring emergency stop buttons, safety gates, and light curtains in industrial automation systems. This compact device provides positively driven enabling circuits, ensuring a high level of safety integrity up to SIL 3 according to IEC 61508 and Category 4/PL e according to EN ISO 13849-1. The 3TX4440-0A features selectable manual or automatic reset modes, offering flexibility in system configuration and operation. Its wide voltage range accommodates various power supply standards, simplifying integration into existing machinery. Diagnostic LEDs provide clear status indication for immediate troubleshooting and maintenance, minimizing downtime. The relay's screw-type terminals facilitate secure and dependable wiring connections, guaranteeing consistent performance in demanding industrial environments. Furthermore, the 3TX4440-0A's durable construction withstands harsh conditions, ensuring long-term operational stability and adherence to stringent safety regulations. This safety relay is a crucial component for safeguarding personnel and equipment in automated processes.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.

Ships from Rochester, NY