BEGA 51257.1 LED Recessed Ceiling Downlight for Indoor Use Instruction Manual

June 12, 2024
BEGA

BEGA 51257.1 LED Recessed Ceiling Downlight for Indoor Use

Product Information

The product is a luminaire that requires installation and operation in accordance with national safety regulations. It is recommended to have a qualified electrician perform the installation and commissioning. The manufacturer does not accept liability for damage caused by improper use or installation. Additional overvoltage protection components are recommended to protect the electronic components of the luminaire. The luminaire housing should not be installed in heat-insulating material. Care should be taken to avoid touching the light output opening of the LED during installation or relamping.

The product has a lamp module connected wattage of 36.8 W and a luminaire connected wattage of 42 W. The rated temperature range is 25°C to 45°C. The product features LED-0780/930 with a color temperature of 3000 K, a color rendering index (CRI) greater than 90, a module luminous flux of 5145 lm, a luminaire luminous flux of 3780 lm, and a luminaire luminous efficiency of 90 lm/W.

Accessories for the product include an installation housing (item number: 10 444) and an exchangeable lens flat beam (item number: 10 019). Separate instructions for use can be provided upon request.

Spare parts for the product include spare glass (item number: 14 001 564), LED power supply unit (item number: DEV-0387/1050), LED module with color temperature of 3000 K (item number: LED-0780/930), and reflector (item number: 76 001 599).BEGA-51257-1-LED-Recessed-Ceiling-Downlight-for-Indoor-Use
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Product Usage Instructions

  1. Ensure that the luminaire is installed and operated in compliance with national safety regulations.
  2. For installation and commissioning, it is recommended to hire a qualified electrician.
  3. If modifications are made to the luminaire, the person responsible for these modifications is considered the manufacturer.
  4. Consider using separate overvoltage protection components for additional protection against transients and other issues. These components can be found on the manufacturer’s website at www.bega.com.
  5. Do not install the luminaire housing in heat-insulating material.
  6. Avoid touching the light output opening of the LED directly during installation or relamping.
  7. Refer to the provided specifications for the lamp module connected wattage, luminaire connected wattage, rated temperature, and ambient temperature.
  8. Refer to the provided specifications for the module designation, color temperature, color rendering index, module luminous flux, luminaire luminous flux, and luminaire luminous efficiency.
  9. If accessories are required, request separate instructions for use.
  10. If spare parts are needed, refer to the provided item numbers for spare glass, LED power supply unit, LED module with color temperature of 3000 K, and reflector.

Application

Recessed ceiling luminaire · indoor luminaire with adjustable broad spread light distribution. With external DALI controllable power supply unit for installation into concrete ceilings or suspended ceilings.

Product description

  • Recessed ceiling downlights with external PSU
  • Luminaire made of aluminium alloy, aluminium and stainless steel
  • Metal ceiling frame ring, Colour velvet white
  • Clear safety glass
  • Reflector surface made of pure aluminium
  • Optical silicone lens · BEGA Hybrid Optics®
  • Luminaire housing with 3 fixing claws and guide screws
  • Recessed opening ø 240mm
  • Required installation depth 160mm
  • 1 connecting cable with strain relief and plug connector system for BEGA DALI-power supply unit
  • External LED power supply unit 1050 mA 220-240 V x 0/50-60 Hz
  • DC 170-276 V
  • DALI controllable
  • A basic isolation exists between power cable and control line

Safety class II 2

  •  – Conformity mark
  • Weight: 3.1 kg
  • This product contains light sources of energy efficiency class(es) E

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.

Installation

  • Luminaire housing must not be installed in heat-insulating material.
  • 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 luminaire in the structure is achieved by using three adjustable wedgeshaped claws.

Installation in concrete ceilings:
To accommodate the luminaire and the external power supply unit we recommend using the installation housing 10 444.

Installation in suspended ceilings:

  • A recessed opening of ø 240 mm with a minimum installation depth of 160 mm is required.
  • The external power supply unit requires a minimum of 90 mm clearance above the ceiling (see drawing).
  • The claws grip behind the ceiling cladding.
  • The minimum thickness of the ceiling cladding is 5 mm.
  • If the thickness is less, and if installation is to be effected in plasterboard ceilings, the back of the ceiling cladding must be reinforced in the region of the claws.
  • The electrical connection must be made on site in the appropriate safety class on the LED power supply unit connecting cable. A distribution box must be used.
  • Ensure the correct assignment of the connecting cable. Establish the mains connection on the brown (L) and blue (N) wires.
  • The two connecting terminals marked DA, DA are provided for digital control purposes.
  • If these terminals are not assigned, the luminaire will work with full light output.
  • Pull cover ring (magnetic) off the installation ring of the pivoting housing.
  • Connect plug part of the luminaire with power supply unit.
  • Push external LED power supply unit and luminaire housing into the ceiling cut-out.
  • Luminaire housing and external LEDpower supply unit must not be installed in heat-insulating material.
  • Tighten guide screws.
  • When tightening the screws, the fixing claws must swivel onto the inside of the suspended ceiling. The luminaire is fixed.
  • When undoing the guide screws, the fixing claws swivel back and the luminaire can be removed.
  • Adjustment of the direction of radiation:
  • Undo both hexagon socket head screws and remove transportation lock. Adjust tilt angle and beam direction of the LED. Tighten latching screw.
  • Mount the cover ring onto installation ring of the housing (magnetic).

Lamp

  • Module connected wattage 36.8 W
  • Luminaire connected wattage 42 W
  • Rated temperature ta=25 °C
  • Ambient temperature ta max=45 °C

51 257.1K3

  • Module designation LED-0780/930
  • Colour temperature 3000 K
  • Colour rendering index CRI > 90
  • Module luminous flux 5145 lm
  • Luminaire luminous flux 3780 lm
  • Luminaire luminous efficiency 90 lm/W

Light technique

  • Recessed luminaire with adjustable optical system, 0-30° swivel-mounted and ±180° infinitely rotatable.
  • Broad spread light distribution.
  • Half beam angle 64°
  • The symmetrical light cone can be modified to resemble flat beam light distribution for special lighting applications by replacing the cover glass.

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.
  • Inspect and, if necessary, replace the luminaire gaskets.
  • Defective glass must be replaced.
  • Close the luminaire.

Accessories

  • 10 444 Installation housing
  • 10 019 Exchangeable lens flat beam

For the accessories a separate instructions for use can be provided upon request.

Spares

  • Spare glass 14 001 564
  • LED power supply unit DEV-0387/1050
  • LED module 3000 K LED-0780/930

BEGA Gantenbrink-Leuchten KG · Postfach 3160 · 58689 Menden · info@bega.com · www.bega.com

  • Reflector 76 001 599

References

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