Dr.Fisher 1456 25-25W 40V BA20d

832340

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Dr.Fisher

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4050300832340

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1456

To increase the reliability and availability of the signaling equipment the 40 V signal lamps are also available with an additional “secondary filament”. If the main filament fails in these dual-coil lamps, it is possible to switch to the secondary filament.

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13,99€tax excl.


Weight: 0.03 kg
Delivery: 1 to 3 days
Condition: New product

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  • PDF Product datasheet
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    More info

    Test voltage 40V
    Nominal wattage 25/25W

    Nominal luminous flux 225 lm
    Diameter 36.0 mm
    Overall length 67.0 mm
    Light center length (LCL) 31.0 mm

    Base (standard designation) BA20d

    Burning position s135
    Order reference 1456


    To increase the reliability and availability of the signaling equipment the 40 V signal lamps are also available with an additional “secondary filament”. If the main filament fails in these dual-coil lamps, it is possible to switch to the secondary filament. Availability of the installation is therefore increased significantly. For safety reasons, however, it is recommended that the lamp be replaced as soon as possible. The average life of these lamps is 8,000 hours (for dual-coil lamps this applies only to the main coil, not the secondary coil). The failure rate is less than 2 % within the first 3,000 hours of operation. (The premature failure rate is restricted to cases that are due to lamp faults and not to external influences.) In other words, maintenance intervals of around four months are possible (depending on the 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)

    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)

    Safety advice
    Use only in equipment/luminaires that are specially designed for the purpose.
    Protect the lamps against moisture during operation and installation.

    Dr.Fisher 1456 25-25W 40V BA20d 4050300832340 1456

     
    Data sheet
    Dimmable No
    Factory Box - pieces (pcs) 10
     
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