1. Scope of application
1SW45 series of intelligent universal circuit breaker, absorbing the advantages of a variety of intelligent circuit breakers at home and abroad, with a compact, small size, high reliability, short breaking time, no arcing distance and other characteristics, the distribution of intelligent controller in addition to With a variety of protection features, but also has ammeter, voltmeter, power factor table, fault detection, self-diagnosis and other auxiliary functions. Can be attached to the communication interface, to achieve long-distance "four remote" function. Products in line with IEC60947-2, GB14048.2 standards, the main technical indicators to achieve the advanced level of similar foreign products.
The product is suitable for AC 50Hz, rated voltage 400V, 690V, rated current 630A-6300A, mainly used in distribution network for distributing power, line protection, power equipment or electrical equipment from overload, undervoltage, short circuit, And other hazards, with a variety of intelligent protection, can be selective protection, with action accuracy, can improve the reliability and security of power supply.
Products can provide wind (low -48 ℃, damp type TH), marine type
And can provide liquid crystal display circuit breakers.
2. Normal operating conditions and installation conditions
2.1 Work environment
1) The ambient air temperature is not higher than +40 ℃ (for marine products +45 ℃) and not less than -5 ℃, 24h the average does not exceed +35 ℃ (special order, the user must be declared to the company such as for wind, Low temperature -48 ℃ and marine and other occasions);
2) Altitude not higher than 2000m;
3) The relative humidity of air at the installation site shall not exceed 50% at the maximum temperature of +40 ℃; the relative humidity shall be higher at lower temperature, and the minimum average monthly temperature of the wettest month shall not exceed + 25 ℃. Of the monthly average maximum relative humidity of not more than 90%, and taking into account the temperature changes occurred on the surface of the product condensation;
2.2 Pollution degree is Grade 3
2.3 Installation Category
Circuit breaker main circuit and under voltage release coil, power transformer primary coil installation category IV, the rest of the auxiliary circuit, control circuit installation category Ⅲ.
2.4 Installation conditions
The circuit-breaker shall be installed as required and the vertical inclination of the circuit-breaker shall not exceed 5 °. The circuit-breaker shall be installed where there is no danger of explosion and no conductive dust, no place to corrode the metal and to destroy the insulation.
3. Structural characteristics
Circuit breakers are fixed and drawer-type points, can be fixed-circuit breaker of the
Body into a special drawer seat becomes a drawer circuit breaker. The main body of the circuit breaker is made up of contact system, arc-extinguishing system, operating system, current transformer, intelligent controller, auxiliary switch, secondary connector, undervoltage, shunt release and so on; The left and right side of the rail, base and beams and other components.
4. Product type meaning and its classification
1) According to the installation method: Fixed type, drawer type
2) According to the mode of operation points: electric operation, manual operation (maintenance, maintenance)
3) according to the number of points: 3-pole, 4-pole;
4) according to the type of release: undervoltage release, shunt release;
5) According to the intelligent controller function: