Schneider Electric Zelio Logic SR3B101BD Programmable Relay, 6 Digital Inputs, 4 Relay Outputs, 24V DC

The Schneider Electric Zelio Logic SR3B101BD is a robust and compact programmable relay engineered for precise control in industrial automation and electrical systems. This unit serves as a reliable logic controller, offering 6 digital inputs and 4 relay outputs, capable of handling a contact current of 8 A. Designed for 24V DC operation, it integrates a clear LCD display and a real-time clock, providing users with essential monitoring and scheduling capabilities for automated processes.

Advantages

This programmable relay stands out due to its compact design, which allows for efficient space utilization in control cabinets. The inclusion of an integrated LCD display simplifies configuration and real-time monitoring without the need for external programming tools. Its high contact current capacity ensures durability and versatility in switching various electrical loads, while the built-in real-time clock enables time-based automation, enhancing the operational efficiency of small-scale control systems.

Suitable for

• Small-scale industrial automation tasks
• Building management and lighting control systems
• HVAC control applications
• Conveyor belt and machinery logic management
• Time-based switching operations

This device may not be suitable for complex, high-speed motion control applications or systems requiring a high number of analog inputs and outputs. It is also not intended for environments exceeding its specified voltage or current ratings, nor for safety-critical applications that require specialized safety-rated controllers.

Key specifications

• Supply voltage: 24V DC
• Digital inputs: 6
• Relay outputs: 4
• Contact current capacity: 8 A
• Integrated features: LCD display and real-time clock
• Weight: 250 g

To use the Schneider Electric Zelio Logic SR3B101BD, mount the unit onto a standard DIN rail within a protected enclosure. Connect the power supply to the designated terminals and wire your sensors to the digital inputs and your actuators to the relay outputs. Configuration is performed via the front-panel interface or compatible programming software, allowing you to define the logic sequences required for your specific application.

What to consider before purchase

• Ensure the 24V DC power supply matches the requirements of your installation
• Verify that the number of inputs and outputs meets your project needs
• Confirm the physical space available in your control cabinet
• Check if the logic complexity requires additional expansion modules

Usage recommendations

For optimal performance and longevity, ensure the relay is installed in a well-ventilated environment free from excessive dust, moisture, or extreme temperatures. Regularly inspect terminal connections to ensure they remain secure and free from oxidation.