6kA B Curve MCBs 6A/ 16A/ 20A/ 32A/ 40A/ 50A/ 63A PROTEK MCB Miniature Circuit Breakers, Single (1) Pole, B Curve, 6kA. MCBs for industrial/residential applications. Designed to protect the user and property from overloads and short circuits by breaking the current as is passes through your consumer unit in the event of suggested dangerous earth leakage. All breakers accept cables up to 25mm2, 6A to 63A. Height 82mm, Width 18mm, Depth 66.5mm. 230V. Single Module. Manufactured in accordance to all relevant UK and International Standards including BS EN 60898 -6A 1 Pole 1 Module B Curve 6kA MCB MCB6-106B -16A 1 Pole 1 Module B Curve 6kA MCB MCB6-116B -20A 1 Pole 1 Module B Curve 6kA MCB MCB6-120B -32A 1 Pole 1 Module B Curve 6kA MCB MCB6-132B -40A 1 Pole 1 Module B Curve 6kA MCB MCB6-140B -50A 1 Pole 1 Module B Curve 6kA MCB MCB6-150B -63A 1 Pole 1 Module B Curve 6kA MCB MCB6-163B