HMS Cubicle type air insulated switchgear is an integrated assembly of vacuum circuit breaker and various components system and control devices coordinated electrically and mechanically for medium voltage power system.
Hyundai Switchgear is Arc-proof in accordance with IEC 62271-200 Standard Appendix A accessibility “A” to Front, Lateral, and Rear (AFLR).

• Vacuum circuit breaker : Motor spring charge, Solenoid system, High recovering insulation on breaking current
• Internal ARC test level BFLR-40kA/1s, Circuit Breaker - E2, S2, SLF, C2, M2 which is in accordance with IEC standard.
• LSC2B

• IEC 62271-100 for circuit breakers
• IEC 62271-200 for switchgears
• IEC 60470 for contactors
• IEC 60694 for general purposes
• IEC 62271-102 for earthing switches

• Maximum safety and reliability
• A minimum of maintenance, with all parts easily accessible
• Line up for major components (circuit breakers, controls and switch-disconnector panels)
• Easy installation