Indoor VCB Home » Hight Voltage Panels » Indoor VCB Specifications Types: PLC Operating System Rating: 12kV to 36kV, upto 1200A, 26.3KA can withstand 3 Sec.50Hz Rated Lightning Impulse Voltage 12/28/75kV Peak. Degree of protection IP 4x / 5x Applicable standard IEC 62271-105 / 200 Related Products Outdoor VCBRing Main UnitCompact Substation