Applicable to 50/60Hz, voltage below 660V,For ships, offshore platforms and places for lighting, electricity, communications or power isolation.

◆elevation height：≤1000m

◆Ambient temperature: ≤45℃

◆Relative humidity：≤95%

◆With condensation, oil mist, salt spray and mold of influences

◆There are vibrations and impacts generated during normal operation of the ship, sway with angle ≤ 22.5° and inclination with angle ≤ 15°.