L420EX-R-03

Key features

• Reliable marine navigation light, low cost of ownership and low power consumption
• Suitable for Zone 1 and Zone 2 areas with gas explosion hazard
• Suitable for a 12VDC or 24VDC power supply^*
• Wireless synchronisation via GPS (separate synchronisation cable not required).
• Light intensity complies with IALA requirements, even if the intensity of the lanterns is reduced with 25% (service condition factor, as per IALA E-200 (2008) Part 2, 5.1)
• Offshore coated, lightweight, corrosion free, seawater, UV and humidity resistant light alloy base
• Stainless steel mounting facilities to prevent contact corrosion problems
• Integrated Ex e connection box
• Very low power consumption due to efficient optical design
• Anti-bird spikes (to prevent bird fouling)

Standards/Certification

• Complies with IALA regulation; O-139 The marking of man-made offshore structures – September 2020; chapter 2, paragraph 2.2 – Subsidiary lantern
• Complies with IALA guideline; G1162; The marking of man-made offshore structures – December 2021, chapter 2.3 – Subsidiary lantern
• Complies with UK Department of Energy and Climate Change; Standard marking schedule for offshore installations – April 2011, chapter 3.2 (f) – Subsidiary light
• Complies with US Coast Guard; 33 C.F.R. Part 67 – Aids to Navigation on artificial islands and fixed structures – May 2004, Chapter 67.05-10, 67.30-5
• Cenelec EN 60079-0, EN 60079-7, EN 60079-18 and EN 60079-28
• Sira 12ATEX3060X; ATEX Ex ll 2G Ex e mb op is IIC T4 Gb
• IEC 60079-0, IEC 60079-7, IEC 60079-18 and IEC 60079-28
• IECEx SIR 12.0025X; Ex e mb op is llC T4 Gb

Performance characteristics

• Flashing red light, Morse code ‘U’ every 15 seconds or quick flash USCG (other character on request)
• Effective intensity: 15cd minimum (equals 3NM at ATF=0.74)
• Horizontal beam coverage: 360°
• Vertical beam profile: 2.5° FWTM minimum

Physical characteristics

• Dimensions (L x W x H):
  447 x 416 x 314 mm
• Weight: 21kg
• Degree of protection: IP66
• Operating temperature range:
  -40°C to +55°C

Electrical characteristics

• Operating voltage: 11 – 30 VDC^*
• Power consumption: Approx. 1W average during operation at specified flash character
• Connection details: max. 4mm²; one M25 cable gland entry
• Earth connection: internal max. 4mm² and external M5

System design, control and Monitoring

• ^*Power, control and monitoring functions by a small, locally mounted control box
• Synchronisation via GPS or optional hard wired.