Fig. 1151 Sz1 Galv. 120V Commercial Nav Light - Masthead, Vessels 20 - 50 Meters, 5 nm

Housing of sheet metal, pre-primed, galvanized steel.

Perko manufactures two classes of lights for the large boat market. The first group of lights is for vessels between 20 meters and 50 meters.
The second group includes larger lights and is for vessels over 20 meters (without an upper limit on length).
A brass tag is permanently affixed to the light indicating the type of light, catalog number, voltage and bulb type to install (if applicable) to meet the visibility requirements. It also states that the light is classified by UL or Imanna Labs. in accordance with the ’72 COLREGS. This is the only documentation needed by a vessel in this size range for navigation lights to certify light construction compliance with the ’72 COLREGS and the U.S. Inland Rules.

• Size 1 - Vessels 20 meters (65.6ft) to 50 meters (164ft) in length
• Size 2 - Vessels over 20 meters (65.6ft) in length
• Height (Size 1): 11-1/2"
• Height (Size 2): 13-1/2"
• Watertight access cap for re-bulbing and cleaning
• Medium prefocus socket
• Bulb NOT included
• 120 volts only
• 3 feet of 16/3 SO cable through a watertight terminal tube
• IMO COLREG 72/UL 1104 certified
• Note: to comply with UL Standard 1104, the Perko bulbs listed, or their exact equivalents, must be used in these fixtures: Fig. 0342004CLR or 0342RS4CLR (for "Rough Service")