The 100 A continuous rating holds flat from 40 °C to 50 °C; above that it derates in 3.75 A steps per 5 °C, down to 85 A at 70 °C (–). The ETU320 release is a basic electronic trip with fixed settings — no communication, no voltage trigger, no ground-fault monitoring. It's a straightforward line-protection device: set it, torque it, and it runs. The 2 auxiliary switches HQ give you status feedback for the PLC or remote indication.
The 3VA2010-5HL32-0AC0 measures 105 mm wide by 181 mm tall by 86 mm deep — a standard SENTRON 3VA frame size that drops into a DIN-rail or screw-mount panel.