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Marine Switchgear
Low-Voltage Marine Switchboard
440V/690V Low-Voltage Marine Switchboard

Product Introduction:440V/690V LV Marine Main Switchboards are the core power distribution equipment in ship electrical systems, compliant with IEC 60092 standards. The 440V system is common on medium/small vessels, while the 690V system is primarily used on large ships and offshore platforms – reducing cable cross-sections by >50% and significantly lowering line losses and installation costs.

Parameter : 440V System/690V System
Rated Voltage :440V AC ±10%/690V AC ±10%
Rated Frequency : 60Hz/50Hz/60Hz/50Hz
Rated Current: 800A-6300A/400A-5000A
Short-circuit Breaking Capacity (Icw) :50kA-100kA (1s)/65kA-150kA (1s)
Protection Class :IP44/IP56 (Front/Enclosure)/IP44/IP56
Ambient Temperature : -25℃~+55℃/-25℃~+55℃

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