The Pollin SZR-5 is a professional-grade 1-phase automatic transfer switch (ATS) controller engineered to provide reliable power source management for electrical systems. This device monitors power lines and automatically switches between sources based on user-defined parameters, ensuring continuous power supply for critical loads. With its robust design, it is suitable for both residential and industrial applications where power redundancy is essential.
Advantages
The primary benefit of the Pollin SZR-5 is its high level of configurability, allowing users to set precise lower and upper voltage thresholds to match specific power requirements. The adjustable switching time ensures that transitions between power sources occur smoothly, preventing unnecessary flickers or equipment restarts. Furthermore, the controller offers versatile operation modes, including options with or without source priority, providing flexibility for various network configurations and backup power setups.
Suitable for
- Residential backup power systems using generators or dual utility lines
- Industrial automation equipment requiring uninterrupted power
- Critical lighting and security systems
- Small-scale server rooms or communication hubs
This controller may not be suitable for 3-phase electrical systems, as it is specifically designed for 1-phase applications. Additionally, it should not be used in environments where the electrical load exceeds the switching capacity of the internal relays or where high-frequency switching is required beyond the device's mechanical specifications.
Key specifications
- System type: 1-phase
- Adjustable voltage thresholds: Lower and upper limits
- Configurable switching time: Yes
- Operation modes: With or without source priority
- Application: Power source redundancy management
To use the Pollin SZR-5, install the unit within a suitable electrical enclosure and connect the primary and secondary power lines to the designated input terminals. Configure the voltage thresholds and switching time using the onboard controls to match your specific power quality requirements. Once configured, the device will continuously monitor the input lines and automatically trigger the switch when the primary source falls outside the set parameters.
What to consider before purchase
- Verify that your electrical system is 1-phase
- Ensure the load requirements are compatible with the controller's relay ratings
- Check if your setup requires source priority functionality
- Confirm that the installation environment meets standard electrical safety requirements
Usage recommendations
For optimal performance and safety, ensure that the device is installed by a qualified electrician in accordance with local electrical codes. Regularly inspect the connections and test the switching functionality during routine maintenance to ensure the backup system remains operational.
