1. Introdución
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the OSRAM OPTOTRONIC OT 55W/UNV/1A2 CS DIM L LED Driver. This is a 55W constant current, 0-10V dimmable LED driver designed for universal input voltage (120-277V AC) applications. Please read this manual thoroughly before installation and retain it for future reference.
2. Información de seguridade
AVISO: Risk of electric shock. Installation and servicing should only be performed by qualified personnel. Disconnect power before installation or servicing.
- Ensure all wiring complies with national and local electrical codes.
- Non exceda o volumen de entrada especificadotage ou corrente/vol de saídatage valoracións.
- This device is designed for dry and damp locations. Do not expose to direct water spray or immersion.
- The driver features UL Class 2 output for safe operation and is Class P rated.
- Verificar unha conexión a terra axeitada para evitar riscos eléctricos.
3. Configuración e instalación
Follow these steps for proper installation of the LED driver:
- Desconexión de alimentación: Ensure the main power supply to the installation area is turned off at the circuit breaker before beginning any wiring.
- Montaxe: Securely mount the LED driver in a suitable enclosure or fixture, ensuring adequate ventilation. The product dimensions are approximately 11.00" L x 1.14" W x 1.00" H.
- Cableado de entrada (CA): Connect the AC input wires to the driver's input terminals. The driver accepts a universal input voltage of 120-277V AC, 50/60Hz. Refer to the wiring diagram below for terminal identification.

Image: Input terminals for AC power connection. Black wire for Line, White wire for Neutral.
- Cableado de saída (CC): Connect the LED load to the driver's DC output terminals. The output voltage range is 20-46V DC. The output current can be set to 800mA, 1000mA, or 1200mA. Ensure the LED load's voltage and current requirements match the driver's output.

Image: Output terminals for DC LED load connection. Red wire for positive (+), Blue wire for negative (-).
- Dimming Control Wiring (0-10V): Connect the 0-10V dimming control wires to the dedicated dimming terminals. The dimming input is isolated and can use Class 2 or non-Class 2 wiring. The dimming range is 10-100%.

Image: Comprehensive wiring diagram for the OSRAM OPTOTRONIC LED Driver, illustrating connections for AC input (Black/White), DC output (Red/Blue), and 0-10V dimming (Purple/Gray).
- Selección actual: The driver features an external current set. Consult the product datasheet or specific fixture instructions for how to select the desired output current (800mA, 1000mA, or 1200mA) if applicable.
- Restauración de enerxía: Unha vez que todas as conexións estean seguras e verificadas, restableza a alimentación do circuíto.
4. Instrucións de funcionamento
The OSRAM OPTOTRONIC LED driver operates automatically once properly installed and powered.
- Encendido/apagado: The LED load will illuminate when AC power is supplied to the driver.
- Adormecer: Use a compatible 0-10V dimming control system to adjust the light output. The driver supports dimming from 10% to 100% of its maximum output.
- Saída actual: The driver provides a constant current output, which is pre-set or externally selectable (800mA, 1000mA, or 1200mA) to match the requirements of the connected LED module.
5. Mantemento
The OSRAM OPTOTRONIC LED driver is designed for long-term, maintenance-free operation.
- Limpeza: Ensure the driver remains free of dust and debris to maintain optimal thermal performance. Disconnect power before cleaning. Use a dry, soft cloth.
- Non hai pezas reparables polo usuario: The driver contains no user-serviceable parts. Do not attempt to open or repair the unit. Doing so will void the warranty and may pose a safety risk.
- Inspección: Inspeccione periodicamente o cableado para detectar calquera sinal de danos ou conexións soltas.
6 Solución de problemas
If you experience issues with your LED driver, refer to the following common troubleshooting steps:
- Sen saída de luz:
- Verify that AC input power is supplied to the driver.
- Check all wiring connections (input, output, dimming) for proper contact and polarity.
- Ensure the LED load is correctly connected and not faulty.
- Confirm the output current setting matches the LED load requirements.
- Luz parpadeante ou inestable:
- Comprobe as conexións de cableado soltas.
- Verify the dimming control signal is stable and within the 0-10V range.
- Ensure the LED load is compatible with the driver's output specifications.
- A escurecemento non funciona:
- Confirm the 0-10V dimming wires are correctly connected to the driver's dimming terminals.
- Check the functionality of the 0-10V dimming controller.
- Ensure the dimming range (10-100%) is being respected by the controller.
If problems persist after performing these checks, contact a qualified electrician or OSRAM technical support.
7. Especificacións
| Característica | Especificación |
|---|---|
| Número de modelo | 57438 (OT 55W/UNV/1A2 CS DIM L) |
| Vol. De entradatage | 120-277V AC (Universal), 50/60 Hz |
| Máx. Potencia de saída | 55 W |
| Vol. De saídatage | 20-46V DC |
| Corrente de saída | 800mA / 1000mA / 1200mA (Selectable) |
| Control de atenuación | 0-10V (Isolated, Class 2 or non-Class 2 wiring) |
| Rango de atenuación | 10-100 % |
| Dimensións do produto (L x W x H) | 11.00" x 1.14" x 1.00" |
| Peso | Aproximadamente 8.4 onzas |
| Clasificación ambiental UL | Seco e Damp |
| Conformidade de seguridade | UL Class 2 output, Class P |
8. Garantía e soporte
For warranty information, technical support, or further product documentation, please refer to the official OSRAM websitio web ou póñase en contacto co seu distribuidor local.
- Official OSRAM Product Information: www.osram.us/ds
- For eldoLED products (related to Acuity Brands integration): www.eldoLED.com





