It is a 3-pole line-protection device designed for distribution panels and motor branch circuits where an undervoltage release (UVR) is needed — the UVR is included as standard on this variant.
This MCCB carries a 75.6 kA interrupting rating at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 7.5 kA at 690 V.
Above that, derating begins: 38.4 A at 55 °C, stepping down to 36 A at 70 °C.
Panel integration — dimensions and mounting
The 3VA1040-3ED32-0BA0 measures 130 mm high, 76.2 mm wide, and 70 mm deep. The 3-pole footprint is standard for a 40 A MCCB; plan for 70 mm of depth clearance behind the panel door for wiring and the UVR coil.