What does 5R mean in moving beam light?

Usually we see 5R 200W SHARPY BEAM, it means 5R LAMP 200W SHARPY BEAM.

for a full name, 5r stands for PHILIPS MSD Platinum 5R.

from PHILIPS website we can see its details and data.

 https://www.lighting.philips.com/main/prof/conventional-lamps-and-tubes/special-lamps/entertainment/touring-stage/msd-platinum-touring-stage/928190805308_EU/product#downloads

Here we shall share key points of its Specifications

• General information

• Cap-Base	-  [ -]
  Operating Position	UNIVERSAL  [ Any or Universal (U)]
  Main Application	Stage/Touring

  Life to 50% Failures (Nom)	3000 h
  System Description	Reflector-E20.6

• Light technical

• Color Code	2
  Luminous Flux (Min)	7100 lm
  Luminous Flux (Nom)	7950 lm
  Chromaticity Coordinate X (Nom)	300

  Chromaticity Coordinate Y (Nom)	300
  Correlated Color Temperature (Nom)	8000 K
  Color Rendering Index (Nom)	-

• Operating and electrical

• Power (Nom)

  189 W

• Controls and dimming

• Dimmable

  Yes

• Mechanical and housing

• Cap-Base Information

  -

• Luminaire design requirements

• Pinch Temperature (Max)

  350 °C

• Product data

• Full product code	872790088733400
  Order product name	MSD Platinum 5 R UNP/24
  EAN/UPC - Product	8727900783506
  Order code	928190805308

  Numerator - Quantity Per Pack	1
  Numerator - Packs per outer box	24
  Material Nr. (12NC)	928190805308
  Net Weight (Piece)	66.500 g