CHW1 Intelligent Universal Circuit Breaker
Short Description:
CHW1 series intelligent universal circuit breaker (hereinafter referred to as circuit breaker) is suitable for distribution networks with AC 50Hz/60Hz, rated working voltage AC400V/AC500V/AC690V/AC800V/AC1140V, rated current 6300A and below. It is used to distribute electrical energy, protect lines and power equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults; It can also be used as an isolation switch. This circuit breaker has intelligent protection function, precise selective protection, can improve power supply reliability, and avoid unnecessary power outages.
Product details
Basic parameters：
CHW1 series intelligent universal circuit breaker (hereinafter referred to as circuit breaker) is suitable for distribution networks with AC 50Hz/60Hz, rated working voltage AC400V/AC500V/AC690V/AC800V/AC1140V, rated current 6300A and below. It is used to distribute electrical energy, protect lines and power equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults; It can also be used as an isolation switch. This circuit breaker has intelligent protection function, precise selective protection, can improve power supply reliability, and avoid unnecessary power outages.
The product can be wired up or down, and the circuit breaker has isolation function, with the symbol "X".
Model meaning:
operational condition：
Surrounding air temperature: 40 ℃~+70 ℃, with a 24-hour average not exceeding+35 ℃. Normal operating temperature range: -5 ° C~+40 ℃; The working conditions for ambient temperatures ranging from -40 ° C to -5 ° C must be declared to our factory when placing an order;
Altitude: Installation location altitude ≤ 2000m. Special customization is available for installation altitudes between 2000m and 5000m.
Atmospheric environmental conditions: When the ambient air temperature is+40 ℃, the relative humidity of the atmosphere does not exceed 50%. At lower temperatures, higher relative humidity is allowed, for example, at+25 ° C, the atmospheric relative humidity can reach 90%. Dehumidification or corresponding measures should be taken for condensation caused by temperature changes.
Pollution level: Level 3.
Installation category: The installation category for the main circuit of the circuit breaker, undervoltage release coil, and primary coil of the power transformer is IV; the installation category for other auxiliary circuits and control circuits is III.
Usage category: Class B.
Installation conditions: The circuit breaker should be installed according to the installation requirements in this manual. The vertical inclination of the circuit breaker should not exceed 5 °, and it should be installed in an environment without explosion hazard,
conductive dust, sufficient corrosion of metal, and insulation damage.
Basic parameters of circuit breaker：
