Feature of FORMULA MCCB, New low voltage moulded case circuit breakers up to 630A, General characteristics- Conforms to IEC 60947-2, Fixed thermal magnetic release throughout the range, Compact dimensions, Common range of accessories, Available in 1 Pole, 2 Pole, 3 Pole & 4 Pole versions, Line-load reversibility, Suitable for DC application till 250V DC, Operation voltage till 550V AC, insulation voltage of 690V AC and impulse voltage of 6KV, FORMULA link in accordance with IEC 60439 Standard, FORMULA link is a component of a power distribution system which divides the main power supply over different users, The FORMULA link is characterised on the supply side by a main circuit-breaker which protects the whole distribution system, and on the load side by smaller sized circuit-breakers, dedicated to the individual users, FORMULA link assembly for total discrimination between upstream and downstream devices.