MK Sentry - 5940s - 40a Type B Single Pole MCB S5 Model Unused
MK Part Code: 5940s. MK Sentry 40a Type B Single Pole MCB Latest S5 Range. MK's 5th generation Sentry MCB. 40A - 230V - Type B Curve - 1 Pole. From the Sentry range. Conforms with BS EN 60898: 1991. Verbal instruction is not accepted.