This is a line-protection version, so it's set up for overcurrent and short-circuit protection of cables and busbars, not motor or generator protection. The 4-pole design with 100% N-conductor protection makes it suitable for TN-S or TN-C-S systems where the neutral needs full-rated protection, not a reduced cross-section. The associated auxiliary trip module is order code 3VA9688-0BL30.
Breaking capacity drops as system voltage rises: 187 kA at 240 V, 121 kA at 415 V, 36 kA at 440 V, and 17 kA at 690 V. For a 400 V class panel, the 121 kA figure at 415 V gives you comfortable headroom above typical 50-65 kA SCCR requirements for most industrial switchboards. At 690 V the 17 kA rating still covers many motor control center applications.
Above that it derates: 243.3 A at 55 °C, 236.5 A at 60 °C, 229 A at 65 °C, and 223 A at 70 °C.
Dimensions: 70 mm deep, 140 mm wide, 158 mm high.