Its breaking capacity scales with system voltage: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 4.5 kA at 690 V — so the 240 V figure governs high-fault applications like transformer secondaries, while the 690 V rating still clears moderate faults on 690 V industrial networks.
Dimensions are 86 mm deep, 105 mm wide, and 181 mm high — the 105 mm width is the standard 4-module footprint for SENTRON 3VA2 breakers, so it drops into existing panel cutouts and busbar systems without adapter plates.