BEGA 51275.4 Indoor Ceiling Luminaire User Guide

: June 16, 2024
: BEGA

Table of Contents

Instructions for use
Customer Support
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

BEGA 51275.4 Indoor Ceiling Luminaire

BEGA 51275.4 Indoor Ceiling Luminaire

Instructions for use

Application

Ceiling luminaire – Indoor luminaire with 3 ring-shaped light sources for unshielded and uniform light, light-diffusing silicone diffusers and metal rings. As single luminaires or in arrangements, they are creative lighting design solutions for interior design.

Product description

Ring made of metal and luminaire housing made of synthetic material, surface colour matt brass
Round inlay made of metal, surface colour velvet white.
Diffuser made of translucent ageing-resistant silicone.
Mounting plate with 2 fixing holes ø 4.8mm · 35mm spacing.
Connecting terminals 1,5°.
Earth conductor terminal.
2-pole connection terminals for digital control.
LED power supply unit.
220-240 V 0/50-60 Hz
DC 196-250 V
DALI-controllable.
Number of DALI addresses: 1
Basic insulation is provided between the mains and control cables BEGA Thermal Control®
Temporary thermal regulation to protect temperature-sensitive components without switching off the luminaire Safety class I
CE – Conformity mark
This product contains light sources of energy efficiency class(es) D

Dimension

Safety

The installation and operation of this luminaire are subject to national safety regulations. Installation and commissioning may only be carried out by a qualified electrician. The manufacturer accepts no liability for damage caused by improper use or installation. If subsequent modifications are made to the luminaire, the person responsible for these modifications shall be considered the manufacturer.

Overvoltage protection

The electronic components installed in the luminaire are protected against overvoltage in accordance with DIN EN 61547.
To achieve an additional protection against e.g. transients, etc. we recommend separate overvoltage protection components.
You can find them on our website at www.bega.com.

Lamp

Module connected wattage : 34.8 W
Luminaire connected wattage : 39 W
Rated temperature : t a =25 °C
Service life criteria : 50000 h/L70
- preliminary data

Installation
LED are high-quality electronic components!
Please avoid touching the light output opening of the LED directly during installation or relamping.
Remove the earth conductor connection (plug contact) between mounting plate and power supply unit.
Please ensure that sufficient installation clearance is provided for the luminaire on the ceiling.
The axial mounting distance of the mounting plate to walls must be at least 230 mm.
Pass the power connecting cable through the cable entry in the mounting plate.
Note position of application of the mounting plate “arrow down”.
Fasten the mounting plate with the supplied fastening material or other suitable fastening material to the installation surface.
Establish earth conductor connection to the earth conductor connection screw and make the electrical connection to the terminals.
Re-establish the earth conductor connection (plug contact) between mounting plate and power supply unit.
Insert the connection terminals into the luminaire housing.
Installation

IMPORTANT: Before installing the luminaire housing on the mounting plate, make sure that the external marking in the upper edge of the luminaire housing points to the recess in the fastening edge of the mounting plate.
Position the luminaire housing in a flat inclination angle over the fastening edge of the mounting plate and swing in.
Press the luminaire housing with ring seal firmly onto the mounting plate and tighten clockwise.
The luminaries anti-twist device makes it possible to turn the luminaire housing between 25° and 340° in both directions on the mounting plate for alignment and fine adjustment
Installation

Cleaning · Maintenance

Clean luminaire regularly with solvent-free cleansers from dirt.

Replacing the LED module

The designation of the LED module is noted on a label in the luminaire.
The light colour and light output of BEGA replacement modules correspond to those of the modules originally fitted. The module can be replaced by qualified persons using standard tools.
Disconnect the system from the power supply.
Press the luminaire housing with ring seal firmly against the mounting plate and remove from the mounting plate by turning anti-clockwise past the resistance of the security stop.
Loosen the connecting wires from the terminals and place the luminaire with the top side on a soft surface.
Release the metal discs inserted on the underside of the luminaire housing from the housing groove by applying slight pressure on the edge, and remove them against the magnetic force.
To replace a LED module with diffusor, it is necessary to open the luminaire housing on the underside.
Hold the ceiling luminaire by the luminaire housing and, using a suitable tool, apply pressure to the four snap-in hooks of the luminaire housing until the housing section releases from the latch.
Remove the LED module with the diffuser from the holder. Install the replacement module.
Please follow the installation instructions for the new LED module.
If necessary, repeat the same procedure with any additional LED module (housing section).
A defective luminaire cover must be replaced.
Reinsert the previously removed metal disk into the magnetic housing recess on the underside. Install the luminaire on the ceiling again in the reverse order.

Spares