Langfoss 20000 158W/740 DALI (641947)
SG Armaturen

Langfoss 20000 158W/740 DALI

Part number641947EAN / GTIN7021986419474HS code9405.42
MOQ:1

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Product Description

SG Armaturen 641947 LANGFOSS 20000 4000K DALI 158W, 22130lm, Ra>70, SDCM 3, L80/B20>100 000, IP66, Class In.

Technical Specifications

Manufacturer part number (MPN)
641947 EAN / GTIN: 7021986419474 Sales unit: pcs Package quantity: 2 pcs Power: 158 W Efficacy: 140 lm/W Lumen: 22130lm IP Class: IP66 Colour temperature: 4000K Colour rendering (Ra): Ra>70 Lifetime: 100,000 L80/B20> Mounting: Indoor / Outdoor System wattage: 158W Voltage: 220-240V Max. luminaires per circuit breaker: B10: 5, B16: 9, C10: 9, C16: 15 Type of light source: LED Luminous flux: 22130lm Programmable with CLO: Yes (affects lumen output) MacAdams factor: SDCM: 3 minimum ambient temperature: -40°C Light distribution: Asymmetric Optic: Lens ULOR (<1%): Yes, up to 21° tilt angle Type: DALI-2 Luminaire class: Class I IK Class: IK08 Surge protection: Integrated (min. 4 kV) Housing: Die-cast aluminium Colour: Graphite Optics: Tempered glass Cable: Cable 5x1mm² 2m, H07RN-F Wind projected area: 0,1245m² - Max 16,2 kg Length (mm) L: 478 Width (mm) W: 314 Height (mm) H: 85 Weight (kg) gross/net: 9.9 / 8.7 Packaging dimensions (mm): 508 x 325 x 93 Country of origin: China

Standards & Compliance

HS Code
9405.42

Cross References

  • EAN 7021986419474
  • SAP 1200701092
  • Code 83595515

Product Documentation

Document preview: Langfoss 20000 158W/740 DALI (641947) — Specification sheet

Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 641947?
641947 can be ordered from cballast.com as a SG Armaturen catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this SG Armaturen product?
The manufacturer part number is 641947.
What is the HS code for 641947?
The customs tariff (HS) code for 641947 is 9405.42.
Who manufactures 641947?
641947 is a SG Armaturen product in the Lighting & Electrical Accessories range.
Is a datasheet available for 641947?
Yes — the 641947 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 641947?
The minimum order quantity is 1.
Is 641947 available?
Yes — 641947 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).