The ABB VMax 12.06.25 Vacuum Circuit Breaker (VCB) is a compact, high-reliability medium-voltage indoor breaker designed for 11kV power systems. It is rated for 630A with an upgraded breaking capacity of 25kA, ensuring enhanced protection in demanding environments. Built with ABB’s advanced vacuum interrupter technology, this breaker guarantees safe, arc-free interruption and extended service life.
This model integrates:
MO1 – Mechanical Operating Mechanism
MC – Mechanical Interlock
MS – Mechanical Shutter
BB1-2 – Busbar and Panel Interlocking Modules
The VMax 12.06.25 is engineered for use in substations, commercial facilities, and industrial distribution systems where high fault-level protection and compact design are critical.
⚡ Rated Voltage: 11kV
? Rated Current: 630A
? Breaking Capacity: 25kA (short-circuit) – enhanced protection level
? Vacuum Interrupter: Safe, clean, arc-free operation with long electrical life
?️ MO1 Operating Mechanism: Spring-charged, motor or manual drive capable
? MC Interlock: Prevents unsafe operations or racking under load
?️ MS Shutter: Automatic shutter covering live terminals when disconnected
? BB1-2 Interlock Units: For safe busbar connection and operational security
? Low Maintenance: Interrupter design minimizes servicing needs
? Standards Compliance: IEC 62271-100 certified
? Applications: Ideal for indoor installations in power utilities, industrial plants, and infrastructure networks requiring 25kA fault level protection