TKDM3-HU Series High-voltage Molded Case Circuit Breaker

The TKDM3-HU series high-voltage molded case circuit breakers are designed for rated insulation voltage (Ui) of 1250V, rated operating voltage (Ue) of AC800V/1000V, and rated current (In) ranging from 63A to 400A. They are primarily used in string-type DC15000V/AC800V (1000V) systems for photovoltaic power plants. Key features include:

• A modular arc extinguishing device that ensures safe and reliable operation at high voltages

• An efficient arc-extinguishing system that effectively prevents arc reignition

• A robust housing structure designed for impact resistance, enhancing reliability

• An optimized tripping system for faster interruption speeds

• Excellent temperature rise performance of the circuit breaker