Breaking capacity is 242 kA at 240 VAC, 187 kA at 415/440 VAC, 121 kA at 500 VAC, and 3 kA at 690 VAC. That 242 kA figure at 240 V is the headline number for high-fault panels in North American 240/120 V distribution; the 187 kA at 415 V covers European 400 V grids. For 690 V applications the 3 kA rating restricts it to low-fault branches. Maximum power loss is 5.4 W per pole — negligible for panel thermal budgeting.
Ground-fault and protection configuration
That makes it suitable for grounded-wye systems where you need GF protection integrated into the MCCB rather than a separate relay. No undervoltage release, no voltage trip, no communication function — it is a standalone thermal-magnetic breaker with GF module. The trip indicator is not fitted, so a remote status contact is absent. If your BOM requires a visual trip flag or auxiliary contact for the PLC, you will need the accessory kit separately.
The storage low end matters for unheated warehouses in cold climates — the breaker can sit at -40 °C without damage as long as it is not energized.