1. Current tripping setting i!£g & display
2. Tripping time setting t!£g & display
3. Prealarm set-point setting al. & display
4. Function button
5. Setting & function selective button
6. Function setting button
7. Auxiliary supply presence
8. Prealarm display
9. Tripping display
10. Tripping test display
11. Reseting display
12. Tripping range:0.025~250a.
13. Tripping time: 0.02~500 second.
Means high strength and rigidity means less deflection across the roll face and are designed for reduced weight and high critical speed
