Note! Do NOT use a heavy diffusion when using a 4kw bulb with a 140, 100 or 77 Focus Reflector
. Lamphead will shut off due to heat restrictions.
Protect the Electronic Ballast against direct sunshine. Protection against rain is needed when wind pushes water drops direct into the air slots of the EB (acc. to protective rate IP21). Do not operate the EB in high humidity (dew) or in aggressive or explosive gas-air mixtures.