Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: [phone]
P.O Box 783,Village Market, 00621 E-mail: [e-mail]
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
frequency of 35-40kHz.
iii) Transformer for LV Halogen lamps.
Transformer operating at high frequency
(approximately 35 kHz) with constant secondary voltage, built in
overload
and short circuit protection and automatic re-set, harmonic filter, RFI
suppression clip on terminal covers with strain relief.
5. All luminaires shall be designed for operation from a 230 volt 50 Hz single
phase supply, unless specifically indicated otherwise on the Drawings.
6. Luminaires body, housing and reflector shall be of the shape and size as
indicated in the Luminaire Data Sheets.
7. Control gear shall be quiet in operation and no part of any luminaire shall
rattle
when subjected to normal internal building environmental vibrations.
8. Luminaires shall be manufactured to enable simple and efficient cleaning.
The
external surfaces of all luminaires shall be smooth and devoid of apertures or
crevices. Seams and joints shall be continuously welded and ground smooth.
9. luminaires body, reflectors, wiring channels and castings shall be formed so as
to
prevent buckling or distortion.
10. When aluminium is placed in contact with dissimilar metal, the contact
surface
shall be separated with a gasket or coating to prevent corrosion.
11. all luminaire latches or other securing means shall be of the captive type.
12. Fluorescent luminaires shall be suppressed for radio interference to
recognized
international standards.
D. Discharge Luminaires
1. All discharge luminaires used in internal applications shall comply with the
requirements of British Standards code of Practice BS 4533: 2.2 and shall
conform to the IP rating indicated on the luminaire schedule and the
Luminaire Data sheets.