Number of concerns：99times
Product Type：Power Distribution
Shelf time：2024-12-18
Product description：The GSM lift wireless intercom call system product is the fifth generation of our company's products, the machine room with wireless GSM extensions to talk to the management centre, no wiring to reduce the daily use of maintenance costs, to provide a comprehensive intercom call solution for the management centre; adopt
Tel：400-879-0955
>Product Overview
DZ20LE series residual current action circuit breaker (hereinafter referred to as leakage circuit breaker) is a current action type electronic residual current action protection device, mainly suitable for AC 50Hz. rated voltage of 400V, rated current to 630A in the distribution network, as personal electric shock protection, can also be used to prevent equipment insulation damage, ground fault current and fire hazards caused by the production of It can also be used for the distribution of electrical energy and the overload protection and short-circuit protection of lines and power supply equipment, and can be used for the infrequent conversion of lines.
Product conforms to the standard: GB/T 14048.2.
>Model number and meaning
>Decoupler type and accessory code
>Normal working conditions
● Altitude not exceeding 2000m;
● Ambient air temperature not higher than +40°C and not lower than -5°C; average value of 24h not exceeding 35°C;
● Atmospheric relative humidity, not exceeding 50% at a maximum ambient temperature of +40°C; higher relative humidity is possible at lower temperatures, with a monthly average maximum relative humidity of 90% at a monthly average temperature of +25°C in the wettest month. and taking into account the condensation that occurs on the surface of the product as a result of temperature changes;
● Installation conditions: Installed in a place free from shock and vibration and free from rain and snow, with the upper terminal connected to the power side and the lower terminal connected to the load side. Inclination to the vertical plane not exceeding 5°;
● Pollution level: 3;
● Installation category: Class III;
● The external magnetic field in the vicinity of the earth leakage circuit breaker installation site does not exceed 5 times the geomagnetic field in any direction.
>Main technical parameters
Reverse time break action characteristics
Rated ultimate short circuit breaking capacity and rated residual on-off breaking capacity of earth leakage circuit breakers
Disconnection characteristics of overcurrent derailleurs of earth leakage circuit breakers in case of short circuit
>Main technical parameters
