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Imtra Tower BAY15d Navigation LED Bulb 18 SMD | 12 volt LED Replacement Bulbs
ILTW1157-SM 12 volt Replacement LED Tower Bulb

Imtra Tower BAY15d Navigation LED Bulb 18 SMD | 12 volt LED Replacement Bulbs

Was: $22.95
SailorSams Price: $20.95
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This is the highest output LED tower cluster available for marine use. 

It uses 18 surface mount cool-white (SMD) LEDs arrayed in 6 planes for 360° visibility. Proprietary PWM Constant-Current chipset results in high performance across the entire 10-30VDC range.

This LED bulb product may be used in red, green, bi-color, or tri-color navigation light fixtures that use a BAY15d bulb (double contact, offset pins).

Application Note: Fits Aqua Signal Series 40, 41, 42,& 50 as well as Hella 2984 and Perko 200 Fixtures. Replaces Aqua Signal Bulb # 90005, Hella Bulb # 78290 and Perko Bulb # 037512V10W


12-24 volt dc (10v-30v)


Warm White or Cool White LED Bulb Colors Available

Additional Information:

  • High output SMD LEDs
  • Meets COLREG 3nm visibility requirements
  • Meets anchor light visibility requirements for vessels up to 20m
  • WARM WHITE ONLY Meets color/visibility (bi-color lenses) required for vessels up to 12m
  • Constant-current drive topology
  • Over-voltage protection
  • Thermally efficient design

Important Notice:
Navigation lights are tested and approved as a fixture with the original equipment source (bulb) already installed.  The operator of vessel assumes all liability when using this product as a replacement for the original approved light source.  The use of this LED light source in individual navigation fixtures has not been evaluated for compliance to USCG, COLREG, or any other navigational lighting standards or regulations.

Product Details:

  • Certifications & Compliance: ROHS
  • Output Color: Warm or Cool White
  • Halogen Equivalency: 25W
  • Input Voltage: 10-30VDC (&12VAC)
  • Bulb Socket Type: BAY15d (double contact, offset pins)
  • Warranty: 2 Years
  • Dimensions: 1.1" (28mm) Diam. x 1.57" (40mm) + socket
  • Power Consumption: 250mA/12V, 125mA/24V
  • Power Consumption: Cool White: 2.5W Warm White: 3.0W
  • Max. Wattage: 3.0W
  • Beam Angle: 120° (five directions, 360° pattern)
  • Luminous Flux: 245 lms
  • Approximate Ship Weight (lbs): 1

Products on this page: iLtw1157-SMW, iLtw1157-SMC

Distributor information

This product ships from the following distributor: Imtra

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