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The LED Internal Emergency Driver 4 Watt UR operates on a wide input voltage range of 100-277VAC delivering reliable backup power during outages. Designed specifically for LED fixtures, it ensures up to 90 minutes of emergency illumination. Compact and efficient, it's ideal for commercial and industrial spaces. Easy to install and UL listed, it offers peace of mind when lighting matters most.
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Internal Emergency driver
| Watts: | 4 |
| Operating Voltage: | 100-277 VAC |
| Operating Temperature: | 32° F to 122° F |
| Operating Humidity: | 20% to 90%RH |
| Power Factor (PF): | >98% |
| Power Supply Efficiency: | >98% |
| LED Luminous Flux (lm): | N/A |
| CRI (ra): | >N/A |
| Color Temperature (Kelvin): | n/a |
| Lens type: | n/a |
| Expected Life: | n/a hrs. |
| L70: | n/a hrs. |
| Beam Angle: | n/aº |
| IP Rating: | IP40 |
| Connector: | Wired |
| Base Type: | Hardwired |
| Heat Radiator: | Sheet Metal |
| Color: | Orange |
| Product Size: | 5.5" x 1.37" x 0.86" |
| Package Size: | 6.93'' x 2.36'' x 1.38'' |
| Unit Gross Weight: | 0.4700 Lb |
| Safety Compliance: | UL |








615 N 21st Avenue, Hollywood, FL 33020, United States of America — Tel: +1 (844)533-7230
contact@ledradiant.com — www.ledradiant.com
LED Internal Emergency Driver 4 Watt UR 100-277VAC
The LED Internal Emergency Driver 4 Watt UR is a dependable solution for maintaining illumination during unexpected power outages. Operating on a universal input voltage of 100-277VAC, and output output 10-60VDC 30-400mA. This emergency driver is compatible with a wide range of LED fixtures, making it a versatile option for both new installations and retrofit projects.
Built for reliability, this driver provides up to 90 minutes of emergency lighting in the event of a power failure, ensuring safety and visibility in critical areas. It’s ideal for use in commercial, industrial, and institutional environments, including offices, warehouses, stairwells, and corridors where continuous lighting is essential for occupant safety.
The compact design allows for easy integration within light fixtures, saving space and simplifying installation. It fits neatly inside most troffers, panels, and other enclosed luminaires, and is engineered for seamless operation alongside existing LED drivers without interfering with normal lighting performance.
Its UL listing and compliance with emergency lighting standards guarantee that it meets the highest safety requirements. The 4-watt output provides just the right amount of light to guide people safely during an outage, while using energy efficiently to maximize runtime.
This emergency driver features automatic charging and testing, with indicator lights for quick visual checks. Maintenance is minimal, making it a smart, low-hassle choice for facility managers and contractors alike.
Whether used in schools, hospitals, or commercial buildings, the LED Internal Emergency Driver 4 Watt UR delivers peace of mind by keeping spaces safely illuminated when it matters most.
We invite you to browse our selection and do not hesitate to chat with us or call us to 844-533-7230 for any question regarding our LED products.

Internal Emergency driver
| Watts: | 4 |
| Operating Voltage: | 100-277 VAC |
| Operating Temperature: | 32° F to 122° F |
| Operating Humidity: | 20% to 90%RH |
| Power Factor (PF): | >98% |
| Power Supply Efficiency: | >98% |
| LED Luminous Flux (lm): | N/A |
| CRI (ra): | >N/A |
| Color Temperature (Kelvin): | n/a |
| Lens type: | n/a |
| Expected Life: | n/a hrs. |
| L70: | n/a hrs. |
| Beam Angle: | n/aº |
| IP Rating: | IP40 |
| Connector: | Wired |
| Base Type: | Hardwired |
| Heat Radiator: | Sheet Metal |
| Color: | Orange |
| Product Size: | 5.5" x 1.37" x 0.86" |
| Package Size: | 6.93'' x 2.36'' x 1.38'' |
| Unit Gross Weight: | 0.4700 Lb |
| Safety Compliance: | UL |








615 N 21st Avenue, Hollywood, FL 33020, United States of America — Tel: +1 (844)533-7230
contact@ledradiant.com — www.ledradiant.com
LED Internal Emergency Driver 4 Watt UR 100-277VAC
The LED Internal Emergency Driver 4 Watt UR is a dependable solution for maintaining illumination during unexpected power outages. Operating on a universal input voltage of 100-277VAC, and output output 10-60VDC 30-400mA. This emergency driver is compatible with a wide range of LED fixtures, making it a versatile option for both new installations and retrofit projects.
Built for reliability, this driver provides up to 90 minutes of emergency lighting in the event of a power failure, ensuring safety and visibility in critical areas. It’s ideal for use in commercial, industrial, and institutional environments, including offices, warehouses, stairwells, and corridors where continuous lighting is essential for occupant safety.
The compact design allows for easy integration within light fixtures, saving space and simplifying installation. It fits neatly inside most troffers, panels, and other enclosed luminaires, and is engineered for seamless operation alongside existing LED drivers without interfering with normal lighting performance.
Its UL listing and compliance with emergency lighting standards guarantee that it meets the highest safety requirements. The 4-watt output provides just the right amount of light to guide people safely during an outage, while using energy efficiently to maximize runtime.
This emergency driver features automatic charging and testing, with indicator lights for quick visual checks. Maintenance is minimal, making it a smart, low-hassle choice for facility managers and contractors alike.
Whether used in schools, hospitals, or commercial buildings, the LED Internal Emergency Driver 4 Watt UR delivers peace of mind by keeping spaces safely illuminated when it matters most.
We invite you to browse our selection and do not hesitate to chat with us or call us to 844-533-7230 for any question regarding our LED products.