The Siemens door-mounted rotary operator designed as an accessory for the 3VJ10/ 3VJ11/ 3VJ12 MCCB frame size (125A). This high-quality rotary operator provides reliable manual control for circuit breakers while ensuring robust performance in demanding environments. With an IP65 protection class, it offers exceptional resistance to dust and water, making it suitable for use in harsh industrial and commercial settings. The integrated door interlock enhances safety by preventing accidental access during operation. This accessory is ideal for applications that require secure and efficient breaker operation.