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Protective Relay Systems

Reliable real-time protection and control for critical power systems. Ensure operational safety, minimize downtime, and maintain system integrity with our advanced protective relay systems.
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Excitation Systems

Precise voltage control for reliable generator performance. Our excitation systems deliver accurate, responsive control of generator field voltage to ensure stability, reliability, and optimal performance across all operating conditions.
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Voltage Regulators

Consistent, stable voltage control for generators and power systems. Our voltage regulators maintain precise voltage output to protect equipment, enhance quality of power, and ensure system stability.
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Genset Controls

Our genset control systems offer complete command over engine and generator functions, delivering reliable automation, protection, and monitoring for your systems.
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Software

Modern digital devices offer a wide range of configurable settings to meet diverse application needs. With so many parameters and functions available, it is essential to have a user-focused interface. Protective relays and digital devices rely on advanced algorithms and filtering techniques to deliver accurate real-time decisions.
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Custom Transformers

Engineering-to-order transformers for specialized power applications. Our custom transformers are designed and built to meet your exact electrical, mechanical, and environmental requirements.
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Accessories

Essential accessories for enhancing and completing your power system. Maximize the performance, reliability, and flexibility of your power equipment with our full range of accessories.
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We offer customizable training programs tailored to meet your unique needs. Whether you're looking to deepen the understanding of specific systems, enhance troubleshooting skills, or train new employees on best practices, we will work with you to develop a program that fits your goals. Training can be delivered at your site or ours.
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Basler Services delivers cutting-edge Electrical System Design, crafting solutions that optimize performance, safety, and efficiency tailored to your unique requirements. Their expert engineers guide you through every phase—from conceptual layouts and relay coordination to full documentation and commissioning support—ensuring a dependable, compliant electrical infrastructure.
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Basler Services offers expert consulting to optimize electrical power systems for safety, reliability, and performance. Our team works closely with clients to assess challenges and deliver tailored, cost-effective solutions.
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Protective Relay Systems

BE1-81O/U, Digital Frequency Relay

The BE1-81O/U Digital Frequency Relay provides accurate and secure protection against underfrequency and overfrequency conditions in power systems. Designed for reliable system monitoring and control, the relay supports up to four independent frequency setpoints for staged load shedding applications and offers selectable overfrequency or underfrequency sensing, adjustable time delays, LED status indication, and low-burden operation to help improve system stability, reliability, and protection performance.

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BE1-81O/U Digital Frequency Relay, M1 case
BE1-81O/U Digital Frequency Relay, S1 case
BE1-81O/U Digital Frequency Relay, M1 case
BE1-81O/U Digital Frequency Relay, S1 case

— Product Features & Benefits

    • Accurate, repeatable, and reliable operation.
    • Incrementally-staged load shedding possible with up to four independent frequency setpoints.
    • Flexible protection options with selectable overfrequency or underfrequency sensing for each setpoint.
    • Clear settings indication from individually adjustable time delays and LED indicators for each frequency set point.
    • Minimized PT costs as a result of low sensing burden.
    • Reduced battery load with low burden power supply.
    • LED targets provide clear annunciation of status.
    • Easily perform in-case system and device tests using test paddles.

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