

NPA-2×21-004 O2 ceiling lamp with two 21W incandescent light bulbs has been designed to illuminate cabins and interiors of vehicles. It is designed to operate from a 13.5V or 27 V power supply.
The supporting structure of the ceiling lamp is an aluminium base, on which there are installed the corners with light bulb sockets and incandescent light bulbs. The diffuser of the ceiling lamp is made of polycarbonate, which is a heat-impact-resistant material.
The ceiling lamp is connected via a 4-pin terminal block according to OST 37.003.032-88.
Nominal voltage, V |
13.5/27 |
Voltage limit values, V |
10.8÷15/21.6÷30 |
Illumination at a distance of 1.2 m in the axial direction, lux |
60 |
Climatic category and location category |
02 |
Operating temperature, ºC |
from -60 to +55 |
Limit values of relative humidity at 35±2°C, % |
95±3 |
Environmental protection degree according to GOST 14254-80 |
IP30 |
Effects of mechanical factors: |
|
- sinusoidal vibrations with frequency |
50Hz |
- with acceleration |
5g |
- impact loads with acceleration |
10g |
- number of impacts |
10 000 |
Operating life of the ceiling lamp, km travelled by a vehicle, at least |
600 thousand |
Maximum weight, kg |
0.4 |
Incandescent light bulb applied |
A-24-21-3 |