The Radium R3 0.5–5A TP&N C Curve Miniature Circuit Breaker series is designed to provide dependable protection for three phase electrical circuits against overload and short circuit faults. With a current range from 0.5A to 5A, it is suitable for low load and sensitive electrical applications in residential, commercial, and industrial installations. The C curve tripping characteristic allows it to handle moderate inrush currents, making it suitable for circuits with lighting systems, control panels, and general electrical loads. The TP&N configuration ensures complete protection and switching of three phases and neutral, improving overall electrical safety and system reliability. Built with a strong internal mechanism, it delivers fast tripping performance, stable operation, and long lasting durability. Its compact and robust design allows easy installation in distribution boards and electrical panels. Backed by a 7 year warranty, the Radium R3 TP&N C Curve MCB provides reliable circuit protection and dependable performance for modern electrical systems.