- Type: low voltage current transformer for 690V systems - Current transformation ratio: 0.66/100 80II - Primary rated current: 1000 A - Secondary rated current: 5 A - Rated voltage: 690 V - Designed for: 690 V low-voltage applications - Function: provides current measurement and protection signaling in low-voltage power systems by stepping down high currents to a safe, processable level - Benefits - Enables accurate monitoring and metering of high current loads - Provides electrical isolation between primary circuits and measurement/protection devices - Suitable for integration in LV distribution and protection schemes with minimal signal disturbance - Compatibility: ideal for LV distribution boards, switchgear, motor control centers, and other 690V LV installations - Performance and reliability: rated for 1000 A on the primary and 5 A on the secondary with a stable transformation ratio for LV power networks - Use scenarios - Metering in a 1000 A service cabinet, connecting the 5 A secondary to a power meter or energy monitor - Protection relay input in low-voltage switchgear, feeding the relay with accurately scaled current signals - Current sensing for large motors or machinery in a manufacturing plant, supplying control and protection relays and data logging systems