This product is suitable for low-voltage power grid systems with three-phase four-wire neutral point direct grounding (TT). It is used to protect the line or electrical equipment from ground faults, overcurrent, short circuit, overvoltage, undervoltage, power-off automatic tripping and phase loss, and can also provide indirect contact protection against personal electric shock hazards.
The product complies with the standards: GB/T14048.2, GB/T32902, DL/T20.. Residual current circuit breaker communication protocol.
Note: This manual is applicable to both right N-type products (N pole on the right) and left N-type products (N pole on the left).