ABB SACE FORMULA range consists of three frame sizes: A1, A2 and A3 up to 630A. Fixed thresholds on trip units, pre-cabled version of accessories and FORMULA link save time putting FORMULA in service. 1, 2, 3, and 4 poles versions up to 250A, no derating up to 50°C and common range of click-in accessories. Extremely compact dimensions and coordinated depths mean standardized dimensions and savings in distribution boards design.