Joint-Stock Company “Production Association"Ural Optical and Mechanical Plant named after Mr. E.S. Yalamov"
Buffer lantern
Buffer lanterns FB1 are designed for signal lighting of railway locomotive rolling stock to ensure road safety.
The lanterns are divided into two version based on the signal color and supply voltage: FB1-B-50/110 – white; FB1-K-50/100 – red.
| Light source | LEDs |
| Axial light intensity, luminous intensity distribution, chromaticity coordinates | In accordance with GOST 34784-20211 |
| DC rated supply voltage | FB1-B-5/FB1-K-50 ‒ 50±2 V FB1-B -110/FB1-K-110 ‒ 110±5 V |
| Power consumption | 25 W |
| Level of protection according to GOST 14254-2015 | IP53 |
| Electrical shock protection class according to GOST 12.2.007.0-75 | I |
| Climatic performance according to GOST 15150-69 | UHL1 |
| Ambient temperature | From -60 °С to +60 °С |
| Relative air humidity upper value at t = 25 °С | 98% |
| Weight | No more than 2 kg |
| Overall dimensions | Ø250±1х70±1 mm |
| Ø250±1х70±1 mm | 205±5 mm |
Axial light intensity of: ‒ red signal ‒ white signal | 530-2000 cd 160-650 cd |
Warranty lifetime, but no more than 3 years from manufacture date | 2 years from commissioning |
| Service life | 10 years |
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