TXCM1E molded case circuit breaker
Scope Of Application
TXCM1E lv Current adjustable circuit breaker (hereinafter referred to as circuit breaker), the circuit breaker has small size, high breaking capacity, short arc, anti vibration. Its rated insulation voltage is 800V, suitable for the distribution network of AC 50Hz, rated voltage AC400V, rated current up to 1250A and below, used to distribute electrical energy and protect the circuit and power equipment from overload, short-circuit, undervoltage and other faults. It can also be used for the infrequent conversion of the line and the infrequent starting of the motor. The circuit breaker can be vertically installed, or horizontally installed. The lv circuit breaker has isolation function.
Normal Service Conditions and Installation Conditions
1. The elevation of the installation site is not more than 2000m.
2. The ambient temperature is not more than +40℃, and the average temperature within 24h is not more than +35℃, the lower limit of the ambient temperature is -5℃.
3. When the max temperature is +40℃, the relative humidity of air is not more than 50%, can allow a higher relative humidity at a lower temperature, such as 90% at 20℃, special measures should be taken for the condensation produced occasionally on the product due to temperature changes.
4. The pollution degree is 3.
5. The circuit breaker installation of main circuit category is class III, the installation category of auxiliary circuit and control circuit not connect to the main circuit is II.
6. Use category is A or B.
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