plug-in unit conversion kit for MCCB accessory for: circuit breaker, 4-pole 3VA2 100/160/250 Plug-in and withdrawable version for 3VA molded-case circuit breaker. Using the plug-in and withdrawable version, the 3VA molded-case circuit breakers can be flexibly installed and removed, in the event of a fault for example, without unplugging the main connection cable. Furthermore, the plug-in and withdrawable version allows for visible galvanic separation for servicing. Key features of these accessory components: 1. Using plug-in and draw-out technology the 3VA molded-case circuit breakers can be installed/removed or replaced quickly and safely. This saves time and costs in the event of service. 2. Enables visible galvanic separation in the main circuit. 3. Plug-in socket or withdrawable version interlock to prevent unauthorized connection. 4. Plug-in design available for 250A 3VA1 molded-case circuit breakers and 3VA2 molded-case circuit breakers up to 630A or 600A. 5. Withdrawable version available for 250A 3VA1 molded-case circuit breakers and 3VA2 molded-case circuit breakers up to 630A or 600A.