50435.1 LED Recessed Ceiling Downlight
Instruction Manual
Technical amendments reserved
50435.1 LED Recessed Ceiling Downlight
Recessed ceiling downlight for indoor use 
Instructions for use
Application
Recessed ceiling luminaire · indoor luminaire with symmetrical wide beam light distribution for connection to external LED power supply unit.
For surface-mounted installation in indoor suspended ceilings of 5-25 mm thickness.
Product description
Recessed luminaire without power supply unit
Luminaire housing made of cast aluminium
Installation housing is made of glass-fibre reinforced polyamide with 2 fastening springs
Reflector surface made of pure aluminium Optical silicone lens
BEGA Hybrid Optics®
Ceiling trim ring made of metal, Colour white
Safety glass
Recessed opening ø 188 mm
Required installation depth 130 mm
1 connecting cable with strain relief and plug connector system for BEGA power supply unit, on/off or DALI
Safety class III 
– Conformity mark
Weight: 1.6 kg
This product contains light sources of energy efficiency class(es) D
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 | 25 W |
| Luminaire connected wattage | 29 W |
| Rated temperature | ta = 25 °C |
| Ambient temperature | ta max = 45 °C |
| When installed in heat-insulating material | ta max = 25 °C |
50 435.1 K3
| Module designation | LED-0785/830 |
| Colour temperature | 3000 K |
| Colour rendering index | CRI > 80 |
| Module luminous flux | 4365 lm |
| Luminaire luminous flux | 3538 lm |
| Luminaire luminous efficiency | 122 lm / W |
Lighting technology
Half beam angle 30°
Installation
A separate power supply unit is required to operate the luminaire.
For connection to external LED-power supply unit – accessory 13 145 or 13 171 – the luminaire is equipped with a 2-pin connector.
Note operating instructions of the LED-power supply units.
LED are high-quality electronic components!
Please avoid touching the light output opening of the LED directly during installation or relamping.
The recessed opening is covered by the frame of the luminaire housing.
Fixing of the installation housing in the recessed opening is achieved by using two adjustable springs.
Installation into inserted ceilings:
A recessed opening of 188 mm is necessary to accept the installation housing. Recessed depth min. 130 mm.
Compress the fastening springs of the installation housing against their spring pressure on both sides towards the housing and slide the installation housing into the recessed opening.
The fastening springs catch the ceiling panel from the back side. Minimum thickness of the ceiling panel is 5 mm. If minimum thickness of the panel is less than 5 mm it must be reinforced from the reverse side. Maximum thickness of the ceiling panel must be no more than 25 mm.
Fix the installation housing in the ceiling panel with two enclosed fastening screws (see sketch).
Connect to the LED power supply unit.
Route the LED power supply unit through the installation housing and place it in the suspended ceiling.
Connect the 2-pin plug connector between luminaire and external LED power supply unit. 
Press together the two internal fixing sliders inside the luminaire housing.
Push the luminaire housing to the end of the installation housing and then release the fixing sliders.
This mechanism ensures that the luminaire housing sits securely inside the installation housing.
Please use the protective gloves provided for the installation to prevent finger prints on the reflector.
Place the reflector with silicone lens on the ceiling trim ring. Twist the ceiling trim ring complete with the attached reflector to the right to fix the assembly inside the luminaire housing.
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 and open the luminaire.
Please follow the installation instructions for the LED module.
Close the luminaire.
Accessories
Power supply units for LED luminaires 220-240 V · 0/50-60 Hz with strain relief and plug connector system.
13 145 Power supply unit on/off
13 171 Power supply unit DALI
The power supply units are only suitable for the operation of one LED luminaire.
For the accessories a separate instructions for use can be provided upon request.
Spares
| Trim ring | 20 000 047 M |
| LED module 3000 K | LED-0785/830 |
| Reflector unit | 76 001 614 .1M |
BEGA Gantenbrink-Leuchten KG
Postfach 31 60
58689 Menden
[email protected]
www.bega.com
BEGA · Das gute Licht.
