operational condition

The ambient temperature is -5 ℃~40 ℃, with an average of no more than 35 ℃ within 24 hours.
◆ Altitude: The altitude of the installation site shall not exceed 2000m.
Installation category: Level II and III.
Pollution level: Level 2.
◆ Installation method: TH35-7.5 steel installation rail is used for installation.
◆ Installation conditions: The external magnetic field of the installation site should not exceed 5 times the geomagnetic field in any direction; The residual current operated circuit breaker should be installed vertically, with the handle facing upwards indicating the power supply position; Installation site
There should be no significant impact or vibration.
Wiring method: Use screws to tighten the wiring.

Main parameters and technical performance

◆ Rated current (In): The shell level current of 32A is 6A, 10A, 16A, 20A, 25A, 32A; The shell frame current of 63A is: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A;
Rated residual operating current I n: 0.03A, 0.05A, 0.1A, 0.3A;
◆ Divided by pole number and current circuit: ◇ Single pole two wire residual current operated circuit breaker (1P+N); ◇ Two pole residual current operated circuit breaker (2P); ◇ Three pole residual current operated circuit breaker (3P);
◇ Three pole four wire residual current operated circuit breaker (3P+N); ◇ Four pole residual current operated circuit breaker (4P);
According to the characteristics of instantaneous release, it is divided into C type (5-10) In and D type (10-16) In.
Rated voltage Un (V): single pole two wire, two poles 220V; Three pole, three pole four wire, four pole 380V;
◆ Rated short-circuit capacity Icn (A): Shell level current of 32A is 4000; Shell level current 63A is 3000
Rated residual making and breaking capacity I m (A): 2000;
Rated residual non operating current I no: 0.5I n;

Mechanical and electrical lifespan:
Electrical lifespan: 2000 times, COS φ= 0.85-0.9;
◇ Mechanical life: 2000 times;
◇ Operating frequency: In ≤ 25A 240 times/h; In>25A 120 times/h;
◆ Insulation and impulse voltage resistance performance
◇ Each pole connected together can withstand a peak impulse voltage of 6000V between the neutral pole;
◇ Each pole is connected to the neutral pole and can withstand a peak impulse voltage of 8000V between the metal bracket.
The residual current operated circuit breaker has the ability to withstand the peak current of 200A surge current and does not cause false operation.
The torque of the wiring screws should not be less than 1.5N · m;

Ordering Instructions

When placing an order, the following points should be indicated:
◆ Product model and name, such as FSK1LE-63 residual current operated circuit breaker with a rated current of 63A for the shell level;
Rated current, such as 50A;
◆ Instantaneous release type, such as type C;
Rated residual operating current, such as 0.03A;
◆ Order quantity, such as 50 units;
Example of ordering: FSK1LE-63 residual current operated circuit breaker, C50, single pole two wire, 0.03A, 50 units.