3WT8121-5UG04-5AB1-ZA01U20

Selling Points

• 1Designed with electronic trip units (ETU) for outstanding protection and minimal power loss.
• 2Covers a broad range of applications from 400 A to 4000 A with a breaking capacity up to 66 kA at 500V/690V.
• 3Includes a door sealing frame for high protection (IP55), mechanical reclosing lockout after overload or short-circuit tripping, and signaling switches for overload and short-circuit tripping.
• 4Many components can be replaced or retrofitted to adapt the circuit breaker to changing requirements, ensuring minimal downtime.
• 5Equipped with unambiguous ON-OFF indicators, ready-to-close indicators, and stored-energy indicators for easy operation and safety standards.