The ABB VD4 12.06.32 Vacuum Circuit Breaker (VCB) is a powerful medium-voltage indoor breaker designed for 11kV systems, rated at 1630A with a high short-circuit breaking capacity of 31.5kA. This model features ABB's advanced vacuum interrupter technology that guarantees fast, safe, and arc-free interruption of electrical faults.

With the MO1 spring-operated mechanism, mechanical interlock (MC), mechanical shutter (MS), and busbar interlocking modules (BB1-2), this breaker is engineered for high reliability, safety, and easy integration into modern switchgear panels.

Ideal for heavy industrial applications, utilities, and infrastructure with demanding fault-level requirements.

✅ KEY FEATURES

• ⚡ Rated Voltage: 11kV

• ? Rated Current: 1630A

• ? Breaking Capacity: 31.5kA (short-circuit) — suitable for very high fault levels

• ? Vacuum Interrupter Technology: Arc-free, fast interruption, extended service life

• ?️ MO1 Operating Mechanism: Spring-charged, reliable manual or motorized operation

• ? MC Interlock: Prevents unsafe racking or operation

• ?️ MS Shutter: Automatically shields live parts when withdrawn

• ? BB1-2 Modules: Ensures secure busbar connection and mechanical panel interlocking

• ? Low Maintenance: Minimal servicing required due to vacuum technology

• ? Standards Compliance: IEC 62271-100 certified

• ? Applications: Suitable for power plants, industrial substations, commercial distribution, and other high-demand switchgear installations