Schneider Electric Zelio SR3B261FU Programmable Logic Relay, 16 Inputs, 10 Outputs, 100-240V AC

The Schneider Electric Zelio SR3B261FU is a robust and compact programmable logic relay engineered for precise industrial automation and control. Operating on a 100-240V AC power supply, this device serves as a reliable core for managing automated processes. It features 16 digital inputs and 10 relay outputs, providing sufficient capacity for diverse control configurations. The unit includes an integrated LCD display and a real-time clock, which facilitate easy monitoring and scheduling of operations directly on the device.

Advantages

This programmable logic relay offers exceptional versatility for small to medium-scale automation projects. Its compact design allows for efficient space utilization in control cabinets, while the integrated display and real-time clock simplify programming and diagnostic tasks without the constant need for external software. The device is built to meet high safety and quality standards, ensuring consistent performance in demanding professional environments. Its wide AC input voltage range provides flexibility for various power supply setups, and the high number of inputs and outputs allows for the management of complex logic sequences.

Suitable for

• Small-scale industrial automation systems
• Building management and lighting control
• Conveyor belt and material handling systems
• Pump and compressor control
• Automated scheduling and time-based operations

When it may not be suitable

This device is not intended for high-speed motion control or complex data processing tasks that require high-performance PLCs. It is also not suitable for environments where the input voltage falls outside the specified 100-240V AC range or where extreme environmental conditions exceed the certified protection ratings.

Key specifications

• 16 digital inputs
• 10 relay outputs
• Supply voltage: 100-240V AC
• Integrated LCD display
• Real-time clock functionality
• Weight: 400 g
• Color: White

How to use

Installation involves mounting the relay onto a standard DIN rail within a control panel. Wiring should be performed by qualified personnel, ensuring that the power supply is connected to the appropriate terminals and that all inputs and outputs are correctly mapped according to the system requirements. Programming can be managed via the front-panel interface or through compatible software. Once configured, the device monitors the input signals and executes the programmed logic to trigger the relay outputs accordingly.

What to consider before purchase

• Verify that your application requirements do not exceed the 16 input and 10 output limit.
• Ensure the power supply in your facility matches the 100-240V AC range.
• Check the physical dimensions to ensure compatibility with your existing control cabinet space.
• Confirm that the logic complexity of your project is within the capabilities of a programmable logic relay.

Usage recommendations

Always ensure that the device is installed in an environment free from excessive dust, moisture, and extreme temperatures to maintain long-term reliability. Regularly check terminal connections for tightness and perform periodic backups of the programmed logic.