Above that, the current must be derated linearly: 96.25 A at 55 °C, 92.5 A at 60 °C, 88.75 A at 65 °C, and 85 A at 70 °C. Maximum power loss is 12.5 W.
Trip unit and auxiliary releases
The ETU320 overcurrent release provides electronic protection with adjustable settings (not detailed here). The supplied basic switch is 3VA2110-6HL32-0AA0.
The mechanical endurance is 20,000 operations. It is a line-protection device (not a motor-protection or generator-protection variant).
