Navigation Light · Signaling & Visual
Den Haan Rotterdam DHR70 NUC is listed in this library as a marine visual-signalling or navigation-light unit in the Signaling & Visual / Navigation Light category. Equipment of this class is typically installed on the mast, superstructure, bridge wings, deck edges, or other prescribed external location according to its signal function. Its shipboard purpose is to provide the required visual indication of vessel status, aspect, operation, or warning to other vessels and personnel. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the installed configuration. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.
What our service work and the manufacturer documentation say about keeping this model running.
Check operation from normal and emergency supplies where applicable, lens and housing condition, watertightness, mounting and alignment, unobstructed sectors, cable glands, monitoring alarms, and local/remote switching. Replacement light sources and sector requirements must match approved documentation.
Carry approved lamps or LED/driver modules where replaceable, fuses, seals, cable glands, terminal items, and critical monitoring relays or control components for the installed system.
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