LEDVANCE Sylvania 75891 tapTronic NFC 2-Channel LED Driver 55W Linear 1400mA Programmable
LEDVANCE Sylvania 75891 tapTronic NFC 2-Channel LED Driver 55W Linear 1400mA Programmable
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About this item
About this item
- Dual Independent Channels: Two independent 140-1400mA channels operate without interference, customizable via free app
- Versatile Voltage Input: Operates within a range of 120-347V and outputs from 8-55Vdc for unmatched flexibility
- Dimming Capability: Enjoy smooth 0-10V dimming, allowing you to effortlessly set the ambiance to your liking
- Field Programmable via NFC: Customize each channel's settings effortlessly using the free app, making adjustments on-the-go
- Selectable Auxiliary Output: Features a selectable 12V or 24V Auxiliary Output for additional versatility
Shipping & Returns
Shipping & Returns
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Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. (Exclusions: Special orders, clearance, and custom items).
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Description
Description
tapTronic 75891 LED NFC Programmable Driver 2-Channel 55W UNH DIM AUX
The 75891 is a LEDVANCE Sylvania tapTronic NFC LED driver constant current 2-channel linear designed for wall, ceiling, recessed, and suspended luminaires. Experience superior flexibility with dual independent channels, each field-programmable from 140-1400mA via the free tapTronic smartphone app—no power required for programming. Advanced constant current technology with 0-10V dimming (1-100% range), soft start, thermal protection, and DC auxiliary output delivers professional-grade performance for residential and commercial LED installations.
tapTronic 2-Channel LED Driver Features
- 2-Channel Independent Output: Two independent channels operate without interference, each customizable from 140-1400mA
- Field-Programmable via Free App: Customize output current for each channel using NFC smartphone technology—no power required
- Near-Field Communication (NFC): Quick output customization using tapTronic software on iOS or Android
- Programmable Current Range: Large range from each driver, ideal for consolidating inventory
- 0-10V Dimming: Dim to off with 1-100% range for precise light control
- Soft Start: Gradual power-up extends LED life and reduces inrush current
- End of Life Protection: Automatic shutdown when LED load reaches end of useful life
- Thermal Protection: Built-in over-temperature safeguards ensure safe operation
- DC Auxiliary Output: Selectable 12V or 24V output powers additional components
- Compact Linear Design: 280mm length fits easily in narrow luminaire housings
- Universal Input Voltage: 120-347V AC, 50/60 Hz for broad compatibility
- cULus Class 2 and Class P: Certified for safety and performance
- 5-Year Warranty: NLB Trusted Warranty Program
tapTronic 2-Channel LED Driver Applications
- Wall and ceiling luminaires with dual LED zones
- Recessed and surface-mounted ceiling fixtures
- Suspended linear and pendant lighting
- Residential living rooms, bedrooms, and kitchens
- Commercial offices and conference rooms
- Retail displays and showrooms
- Hospitality guest rooms and corridors
- Educational facilities and libraries
- Healthcare patient rooms and common areas
Installation & Operation
The LEDVANCE Sylvania 75891 tapTronic driver (LEDrv55UNH2CHDIMAUXNFC) installs easily in standard luminaire housings. The compact form factor (280mm × 30mm × 21mm) fits narrow fixtures. Download the free tapTronic app and program each channel (140-1400mA) before installation—no power required. Hold your smartphone near the NFC interface, select current for each channel, and confirm. The two channels operate independently. Connect to 120-347V AC supply and LED loads, then wire 0-10V dimming leads. Soft start provides gradual power-up with constant lumen output throughout 1-100% dimming. Selectable auxiliary output (12V or 24V) powers low-voltage components. Built-in thermal and end-of-life protection ensure safe operation.
Compatible Products
- Dimmable LED Modules: Constant current LED arrays rated for 140-1400mA per channel
- LED Strip Lights: Constant current LED tape compatible with programmable output range
- 0-10V Dimmers: Standard 0-10V wall dimmers and control systems
- Lighting Control Systems: Building automation platforms with 0-10V dimming interface
- Sensors & Controls: Occupancy sensors, daylight sensors, and timers with 0-10V output
- Note: Only use with dimmable LED loads rated for constant current operation. Verify compatibility with 140-1400mA per channel.
Why Choose LEDVANCE Sylvania tapTronic NFC LED Drivers
LEDVANCE Sylvania is a global leader in innovative lighting solutions with decades of LED driver expertise. The tapTronic NFC 2-channel series combines near-field communication technology with advanced constant current circuitry for smooth, flicker-free LED performance. The free smartphone app eliminates multiple driver SKUs—customize output current for each channel in seconds, simplifying inventory management. With dual independent channels, 0-10V dimming, soft start, and selectable auxiliary output, the 75891 delivers professional-grade control. Backed by a 5-year warranty and compliant with RoHS/FCC/cULus standards.
Why Buy From Us: As an authorized LEDVANCE Sylvania dealer, we guarantee 100% genuine products with full manufacturer warranty and expert customer support.
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Frequently Asked Questions
What is an LED driver?
What is an LED driver?
An LED driver is the essential power supply for modern, energy-efficient LED lighting. It converts your building's high-voltage AC power into the low-voltage DC power that LEDs need to operate. It regulates the power, protecting the sensitive LED chips from fluctuations that could cause them to flicker or fail prematurely.
What is a light ballast?
What is a light ballast?
A light ballast is the traditional power supply for fluorescent and HID (High-Intensity Discharge) lamps. If you have older tube lighting, you have a ballast. It provides a burst of high voltage to get the lamp started and then controls the electrical current to keep it running steadily.
How do I choose the right wattage for my LED driver?
How do I choose the right wattage for my LED driver?
To ensure safety and longevity, it's best to follow the "80% Rule." Add up the total wattage of all the lights you will connect to the driver, then choose a driver with a maximum wattage rating that is at least 20% higher. For example, if your lights total 80 watts, you should select an LED driver rated for 100 watts or more.
What is the difference between a constant current and a constant voltage driver?
What is the difference between a constant current and a constant voltage driver?
The key difference is what they keep stable. A constant current driver maintains a fixed output current (e.g., 700mA) while letting the voltage change. A constant voltage driver maintains a fixed output voltage (e.g., 12V or 24V) while the current varies. Use constant current for high-power LEDs and constant voltage for fixtures like LED strip lights.
How do I know if I need to replace my fluorescent light ballast?
How do I know if I need to replace my fluorescent light ballast?
Common signs of a failing light ballast include your lights flickering, making an audible humming or buzzing sound, taking a long time to turn on, or not turning on at all. If you've already tried replacing the bulbs and the problem persists, the ballast is the most likely cause.
