Pizzato CSAT-30V024-TF3 safety relay with 2NO instantaneous and 1NO delayed outputs, 24 V AC/DC supply, Category 4, PL e, SIL 3, TF3 3-second delay for industrial machine safety systems.
£179.49
The Pizzato CSAT-30V024-TF3 is a compact and reliable safety monitoring relay designed for industrial machine safety systems operating on a 24 V AC/DC control supply. Manufactured by Pizzato Elettrica, it is engineered to supervise emergency stop circuits, safety gates, and interlock devices, ensuring safe and controlled shutdown of machinery in industrial environments.
This model belongs to the advanced CS AT safety relay family and is designed for applications requiring Category 4 safety performance, PL e, and SIL 3 compliance. It provides a practical output configuration of 2NO instantaneous safety outputs + 1NO delayed safety output, making it suitable for compact safety systems requiring timed shutdown functionality.
The TF3 variant provides a fixed 3-second delay on the delayed safety output, enabling controlled machine run-down after a safety event. This helps reduce mechanical stress in automation systems while maintaining fast emergency response performance. Its DIN-rail housing allows easy integration into industrial control panels and OEM machinery. ([turn0search2](https://www.ledcontrols.co.uk/cs-at-30v024-tf3-pizzato-safety-module-2no-instantaneous-1no-delayed-category-4.html))
The CSAT-30V024-TF3 continuously monitors safety inputs such as emergency stop buttons, safety gate switches, and interlock devices. When a safety event occurs, it immediately activates the instantaneous outputs and holds the delayed output for a controlled 3-second interval to support safe machine stopping.
This combination of immediate and timed safety switching improves operator protection while reducing mechanical stress in smaller automation systems requiring short delay functionality.
| Voltage | 24 V |
|---|---|
| IP Rating | IP40 |
| Series | CS AT Safety Modules |
| Product type | Safety monitoring relay |
| Supply voltage | 24 V AC/DC |
| Safety category | Category 4 |
| Performance level | PL e |
| SIL rating | SIL 3 |
| Safety outputs | 2 NO instantaneous + 1 NO delayed |
| Delay function | TF3 fixed delay (3 seconds) |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Operating temperature | -25°C to +55°C |
| Protection rating | IP40 (housing), IP20 (terminals) |
| HS Code | 85369095 |
It is used to monitor safety circuits such as emergency stops and interlocks, providing both instantaneous and delayed safety outputs for controlled machine shutdown.
TF3 indicates a fixed 3-second delay applied to the delayed safety output for controlled shutdown sequencing.
It operates on a 24 V AC/DC supply suitable for industrial control systems.
It complies with Category 4 safety requirements and is rated for PL e and SIL 3 applications.
It is installed inside industrial control panels on DIN rails for machine safety applications.
Pizzato CS AT safety modules are widely used in industrial automation to ensure reliable emergency shutdown, controlled stopping, and compliance with international machine safety standards.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...