SI-FLEX is a high-performance low voltage switchboard system developed by South Seas for the global market. It fully complies with AS/NZS 61439.1 / 61439.2 standards and has obtained CB international certification as well as internal arc fault test certification.
With its high reliability, safety, and compact design, SI-FLEX is widely used in mining, power, infrastructure, and industrial energy sectors.
Key Features
High Protection Level:
Protection rating up to IP4X / IP54, with internal segregation Form 4b.
Outstanding Electrical Performance:
Rated current: 2750 A (IP54) / 3700 A (IP40)
Short-time withstand current: 80 kA / 1 s, peak 176 kA
Rated voltage: 415 V / 690 V
Internal Arc Protection:
Successfully passed the IEC/TR 61641 test (80 kA @ 415 V / 0.3 s), ensuring effective arc containment and personnel protection.
Efficient Thermal Design:
Natural and forced ventilation systems ensure stable operation under 40 °C ambient conditions.
Application Fields
Mining & Metallurgy ｜ Municipal & Water ｜ Energy & Infrastructure ｜ Industrial Manufacturing
Certification System
AS/NZS 61439.1 / 61439.2
IEC/TR 61641
SI-FLEX — Built on Standards, Trusted for Reliability.
South Seas will continue to uphold international standards, providing safe, stable, and intelligent power distribution solutions worldwide.