3WT8121-7UG44-5AF1-ZF05

Selling Points

• 1Advanced protection functions including overload, short-time delay short-circuit, and ground-fault tripping.
• 2Modular design with electronic trip units (ETU) and auxiliary switches for easy customization.
• 3High safety standards with door sealing frame IP55 and mechanical reclosing lockout after overload or short-circuit tripping.
• 4User-friendly operation with LCD display, LEDs for tripping cause, and query/test button.
• 5Versatile application in various frame sizes from 400 A to 4000 A with breaking capacity up to 66 kA.