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Bolec VS202 Hi-Lo Voltage Switch 12/24VDC


Precise monitoring of DC voltage levels with the VS202. Get instant alerts if voltage goes beyond set limits, activating warning lights or relays via the FET output. Customize levels using potentiometers and set alarm delay via DIP switches. Keep your systems safe and operations smooth with the VS202.

Ensure precision monitoring and instant awareness of your DC voltage levels with our cutting-edge VS202 Voltage Sensing Modules. Engineered to perfection, these modules are your first line of defense against voltage fluctuations, guaranteeing uninterrupted operations and enhanced safety in your electrical systems.

Key Features:

  1. Reliable Voltage Monitoring: The VS202 Voltage Sensing Module is meticulously crafted to continuously track your DC voltage levels with unparalleled accuracy. Say goodbye to uncertainties and surprises caused by voltage fluctuations.
  2. Immediate Alarm Response: Equipped with state-of-the-art technology, our module is designed to promptly alert you when the monitored voltage strays beyond your predetermined set point limits. Rest easy knowing that you’ll be notified at the first sign of trouble.
  3. FET Output Activation: Once an alarm is triggered, the VS202 module seamlessly activates its FET (Field-Effect Transistor) output. This intelligently designed feature generates a swift and efficient response, effectively activating warning lights or relays to prevent potential mishaps.
  4. Customizable Set Point Limits: Take control of your voltage monitoring experience with our VS202 module’s separate over and under voltage adjustment. Tailor the set point limits to perfectly match your specific requirements, providing you with the flexibility you need.
  5. Precision Control: Fine-tune your alarm thresholds effortlessly using the dedicated over and under potentiometers. Achieve the ideal balance between sensitivity and stability to ensure optimal performance in any situation.
  6. Seamless Time Delay Configuration: Thanks to the two conveniently placed DIP switches, configuring the time delay for alarm activation is now simpler than ever. Customize the response timing to align perfectly with your operational needs.

Upgrade your voltage monitoring capabilities today with the VS202 Voltage Sensing Module. Trust in its advanced technology to safeguard your systems against voltage anomalies and enjoy uninterrupted operations. Make the smart choice and invest in the future of voltage monitoring with the VS202 – where precision meets peace of mind.

Note: The VS202 Voltage Sensing Module is intended for professional use and installation. Please consult the provided user manual for detailed instructions and guidelines.

Bolec Electronics

Founded in 1978, Bolec Electronics has developed a portfolio of over 80 products and a reputation that survive and thrive in some of Australia's harshest environments. Bolec Electronics is the OE supplier to some of the world's largest truck and engine manufactures.

Premium quality

Easy to install


Designed and made in Australia