Motor protection MCCB with ETU350M — 200 A frame
It carries the ETU350M electronic trip unit with phase failure detection, so it catches a lost phase before the motor winding takes damage — that's the difference between a thermal-magnetic and this electronic curve. Breaking capacity lands at 330 kA at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 52.5 kA at 690 V — high enough for most industrial main and sub-feed applications without cascading upstream breakers.
Rated continuous current holds at 200 A from 40 °C through 50 °C, then steps down: 192 A at 55 °C, 188 A at 60 °C, 184 A at 65 °C, 180 A at 70 °C. That's a 10 % drop at the top of the range — factor it into the enclosure's internal ambient, not the room temperature. Maximum power loss is 75 W. That's the dissipation at full rated current through the main poles plus the electronic trip — relevant for heat buildup in a sealed enclosure. The integrated undervoltage release (UVR) and 2 auxiliary switches (HQ type) are factory-fitted; no field assembly required.
Dimensions are 86 mm depth, 105 mm width, 181 mm height. That's the standard 3VA2 frame footprint — mounts on a mounting plate or DIN rail via the adapter. The 3-pole width of 105 mm matches the 3VA2 200 A frame; if the existing panel was cut for a 3VA1 frame, the width is the same, so no re-punching needed.