The Siemens catalog number WLGSHUT3 refers to a circuit breaker accessory designed for enhanced safety and protection. This accessory is a 3-pole FS3 shutter that is compatible with various circuit breakers, helping to prevent accidental contact with live parts. It supports high short-circuit ratings, including 85kA, 100kA, and fused options, ensuring reliable performance under demanding conditions. Available through BSP Automation, this accessory is a practical addition for industrial setups that require secure and efficient circuit protection.