3SM8 Series offers reliable protection for power distribution and motor circuits, compliant with IEC 60947-2. Available in frames A-F (63–800A), it supports power (P) and motor (M) protection types. Features include modular design, front/rear wiring options, and accessories like shunt/undervoltage releases, auxiliary contacts, motorized mechanisms, and rotary handles. Ideal for switching and protecting motors, transformers, capacitors, and cables in industrial, commercial, and infrastructure applications. Compact, versatile, and designed for easy integration.