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Low-voltage over-pressure dual-coil lamps for 40 V systems, road traffic
Product
reference
Product number
Single pack
SIG 1456
4050300832340
40
25/25
225
s135
2)
BA20d
SIG 1463
4050300832302
40
40/40
500
s135
2)
BA20d
SIG 1471
4050300832265
40
60/60
720
s135
2)
BA20d
Product
reference
Product number
Standard pack
SIG 1456
36
67
31
1)
4050300218342
100
1
SIG 1463
36
67
31
1)
4050300218380
100
1
SIG 1471
36
67
31
1)
4050300218427
100
1
1) Distance from the coil to the lug of base
2) Lamps with transverse filaments should only be inclined perpendicular to the filament plane / Only the permissible burning position may be used otherwise the lamp will fail prematurely
Product features
—
Dual-coil lamps for higher operation safety of the
signalling system
—
Long average lamp life time: 8,000 h (for main
filament only)
—
Maintenance intervals up to four months possible
(depending on installation)
Product benefits
—
Simple changeover to the secondary filament
possible when main filament fails
—
Max. premature failure rate: 2 % up to 3,000 h
(related to lamp failures only)
Areas of application
—
Road traffic signalling systems
Safety advice
Use only in equipment/luminaires that are specially
designed for the purpose.
Protect the lamps against moisture during operation
and installation.
Legal advice
Correspond to DIN 49842 part 1 and 3