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Specification: Condition: 100% Brand New Item Type: Breaker Product Features: C Type Product Pole Number: 1P Rated Current: 6A / 10A / 16A / 20A / 25A (optional) Rated Voltage: 230/400V AC Wiring Method: Platen Wiring, Only Fire Line Arc extinguishing Method: Magnetic Blowing Installation Method: Rail Mounting Product Function: Overload / Short Circuit Protection Product Certification: 3C After-sales Guarantee: 5 Years Warranty Package list: 1 × Miniature Circuit Breaker General failure and handling Method: 1. Can't close Cause Analysis: Is there a short circuit at the load end---Troubleshooting; The operating mechanism has failed---Replace the product; The rated current of the circuit breaker does not match the load current---Replace the product specifications; 2. High temperature: The terminal screw does not press the wire or appears loose---Tighten the terminal screw; The selected wire cross-sectional area is too small---Replace the wire specifications; 3. Not opening when short circuited: The selected circuit breaker does not match the working conditions of the load---Replace the product specifications; 4. No electricity: Wire stripping is too short---Re-stripping wire; The terminal screw does not press the wire or appears loose---Tighten the terminal screw