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8-LED Isotropic 31mm Festoon Bulb

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Our new 31mm (1-1/4 inch) cone-end LED festoon is a great solution for replacing up to 10W 31mm festoon bulbs in Attwood and Perko anchor light fixtures.

This bulb has a true constant-current circuit, so it can operate from 10VDC to 30VDC (12VDC or 24VDC). It is perfect for anchor lights where you want 360° of light output. Our FS-31-08-CW draws only 0.08A, but puts out 90 real-life lumens, and kills the competition. This multi-face bulb makes a great anchor light as it features 8 high-output SMD LEDs, with 2 LEDs on each of 4 sides.  It is just what the doctor ordered!

Drop in replacement for Fig. 71, 0071DP0CLR (Perko) and 529102 (Ancor) part numbers. This bulb is best for single bulb fixtures, such as all-around anchor lights. If you have a 2 bulb combination anchor/steaming light, choose our other 31mm bulbs made specifically for those types of lamps.

Cool White Only


Number of LEDs: 8
Input Voltage: 10 - 30VDC (Integrated Constant-Current IC)
Wattage: 1 Watt
Amperage: 0.08A
Beam Angle: 360°
Color Temperature: 6,000°K (Cool White)
LED Package Type: 3528 Type SMD
Lumen Output: 90 Lumens
Base Type: Festoon 31mm (SV8.5 Cone End)
Dimensions: 31mm x 13mm
Polarity: No
Dimmable: Yes - with PWM Dimmer
Lifetime 30,000 hours
Warranty: 2-Years
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3 Reviews

  • 5
    excellent product fast delivery

    Posted by Unknown on 29th Apr 2018

    Would buy again

  • 5
    performs excellent.

    Posted by Unknown on 2nd Jun 2017

    Performs as expected so far. The LED Bulb is an upgrade - peace of mind knowing it will drain less juice off the battery. I chose the white light which I also think is an improvement over the soft white. I want good visibility of my boat by others when I'm navigating at night.

    Good value by marine beam and I would buy again.

  • 5
    a great source for all lighting needs

    Posted by raul artiga on 22nd Feb 2017

    These work great. Look better than the originals and were just as easy to install. Customer service was excellent. They arrived within days. Couldn't have been easier. I recommend Marinebeam for any/all purchases, especially if you're looking to transition to all LED lighting in an older boat.

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