3WT8121-5UG40-0AA1-ZA04U20

Selling Points

• 1Ensures consistent performance with advanced electronic trip units (ETU) and robust mechanical components.
• 2Offers adjustable overload protection, short-time delayed short-circuit protection, and instantaneous short-circuit protection.
• 3Features an intuitive control panel with clear indicators for ready-to-close status, tripped signaling switch, and stored-energy indicator.
• 4Allows for easy replacement or retrofitting of components such as auxiliary releases, motorized operating mechanisms, and current transformers.
• 5Includes door sealing frame for high protection against accidental contact, mechanical reclosing lockout after overload or short-circuit tripping, and undervoltage release for safe operation.