AKH0.66K16 split core current transformer for low voltage distribution systems. Key specifications - Primary current: 120 A - Secondary current: 40 mA - Accuracy class: 0.5 - Split core design for easy installation without disconnecting the primary circuit - Designed for monitoring and protection in low voltage distribution applications Key benefits - Accurate measurement for monitoring and protection equipment - Quick, non disruptive installation thanks to the split core design - Eliminates the need to power down or disconnect the primary circuit during retrofit or maintenance - Compatible with monitoring devices and protection relays that accept a 40 mA secondary output - Suitable for use in LV distribution environments requiring reliable current sensing Use scenarios - Subpanel load monitoring in a residential or small commercial low voltage distribution system - Protection relay input for LV switchgear to detect overloads and trigger protective actions - Retrofit measurements in existing circuits to enable monitoring or protection without shutting down power Function and performance highlights - Accurate current sensing with Class 0.5 performance - Effective for LV distribution applications requiring reliable monitoring and protection - Split core construction provides convenient installation around an already routed conductor while maintaining circuit continuity