The Siemens 3VA9211-0WJ30 is a high-quality insulating plate designed to offer extended protection for three-pole electrical systems. This accessory is an integral component for the Siemens 3VA1 250 series, ensuring that installations meet rigorous safety and operational standards. Crafted with precision, the insulating plate is engineered to provide a robust barrier, mitigating the risk of electrical faults and enhancing the longevity of the circuit breaker it accompanies. Its compatibility with the SENTRON product line underscores its reliability and the commitment to excellence that Siemens is known for. Ideal for a range of industrial applications, this insulating plate is a testament to Siemens' dedication to providing components that uphold the highest levels of performance and safety.