As energy efficiency continues to shape the future of building systems, Functional Devices is proud to introduce the ESRN-U, a cutting-edge solution designed to meet modern demands while maintaining exceptional performance. In an era where reducing power consumption is a priority, the ESRN-U provides the innovation and reliability that engineers, facility managers, and contractors can depend on.
Why Energy Efficiency Matters
Today’s building systems are shifting towards lower power draw configurations, driven by sustainability goals, regulatory pressures, and the desire to lower operational costs. In lighting systems, particularly those leveraging LED technology, the need for energy-efficient components has never been more critical. The ESRN-U meets this need head-on, delivering a solution that conserves energy without compromising performance..
Key Benefits of the ESRN-U
You've got a light switch controlling 277V lights. You've got a 120V fan you would like to follow the light switch. Time to install a transformer...right? That would be a weird addition to an article about general purpose relays, so I'm going to go with... wrong! What you need is an LR2402B2G. It is a 20A relay with a 208-277V coil voltage. Connect the coil to the 277V light switch, wire up the contacts to the 120V fan, and you're done.
1. Energy Efficient Design
- Low Power Draw in Normal Operation: The ESRN-U is engineered for minimal energy consumption during regular use, significantly reducing the overall energy footprint of any system it integrates with.
- Zero-Emergency Power Draw: During non-emergency periods, the ESRN-U draws zero power in emergency circuits. This feature aligns with industry trends and comparable products while setting new benchmarks in energy conservation.
2. Built for Modern LED Lighting Systems
- Handles Large Inrush Power Spikes: LED lighting systems can produce significant inrush currents upon activation. The ESRN-U is specifically designed to manage these spikes effectively, ensuring stable operation.
- Supports Growing LED Loads: As building systems evolve and additional LED fixtures are installed, the ESRN-U provides robust load support, scaling seamlessly with system expansions.
3. Superior Load Handling
- 16A Electronic Ballast Load Rating: The ESRN-U is capable of managing substantial electronic ballast loads, ensuring consistent and efficient operation.
- Prevention of Operational Challenges: Without sufficient load handling capabilities, LED systems can encounter performance issues. The ESRN-U’s superior design mitigates these risks, ensuring smooth, reliable functioning.
UL924 Emergency Lighting Automatic Load Control Relay Features
- Low Power Draw: Consumes minimal energy, reducing operational costs and environmental impact.
- 20 Amp SPDT: Provides versatile switching capability for a variety of emergency lighting configurations.
Universal Voltage (120-277 Vac): Flexibility to accommodate various installation requirements. - 0-10 Vdc Dimmer Override: Ensures lighting remains at full brightness during an emergency.
- DALI Override: Integrates seamlessly with modern lighting control systems.
- Dry Contact Fire Alarm Interface: Enhances safety by ensuring coordinated response during fire emergencies.
Enhancing Emergency Lighting in a Modern Office Buildings
In a modern office building undergoing an upgrade to energy-efficient LED lighting, the ESRN-U ensures seamless integration and reliable performance. During normal operations, the ESRN-U minimizes energy consumption with its low power draw. In emergency situations, it activates seamlessly, ensuring that lighting remains at full brightness with the dimming override.
As the building expands and more LED fixtures are added, the ESRN-U’s superior load handling ensures consistent performance, effectively managing large inrush power spikes. Additionally, the dry contact fire alarm interface guarantees that emergency lighting operates in tandem with fire safety systems, enhancing occupant safety and compliance with UL924 standards.
Why Choose the ESRN-U?
- Future-Ready: Designed to meet the evolving demands of modern building systems.
- Power-Efficient: Can support sustainability goals and reduce operational costs.
- Reliable: Ensures continuous, trouble-free operation even under challenging conditions.
- Scalable: Adapts to expanding lighting systems and increased load demands.
- Compliant: Meets UL924 standards, ensuring safe and effective emergency lighting responses.
Upgrade with Confidence
As facilities prioritize energy efficiency and modernize their systems, the ESRN-U stands as the ultimate solution for reliable, compliant, and efficient emergency lighting control. It’s more than just a relay; it’s a step towards smarter, greener building systems.
Choose the ESRN-U and invest in a solution designed for today and ready for tomorrow.
For more information or to schedule a consultation, contact Functional Devices today.
About Functional Devices, Inc.
Confidence and Peace of Mind in Every Box
At Functional Devices, Inc., we have been designing and manufacturing high-quality electronic components in the USA since 1969. Our mission is simple: to enhance lives in buildings and beyond by delivering reliable, innovative solutions for the building automation industry. Our product lineup includes RIB® relays, current sensors, power controls, power supplies, transformers, lighting controls, and more—each designed to meet the highest industry standards.
We test 100% of our assembled products, ensuring an exceptionally low failure rate—less than 1 in 16,000 in the field. This commitment to excellence means you get products that perform reliably, reducing downtime and increasing efficiency. With every Functional Devices product, you receive more than just a component—you gain confidence and peace of mind knowing your systems are built on trusted, field-proven technology.