The Crabtree Starbreaker 363/S030 63A 30mA Split Load Residual Current Circuit Breaker with Overload (RCCB) is a reliable and efficient electrical component suitable for interior use. With a maximum amperage of 63A and tripping characteristics of Type B, this RCCB offers instant break time and operates with an on/off method. Made from ABS/plastic material in a sleek grey colour, it is designed for electrical wiring applications in the United Kingdom. Featuring a clip-on mounting style and screw terminal electrical connection, the Crabtree Starbreaker 363/S030 is a must-have for ensuring safety and functionality in your electrical system.