Technical features: 1. Limitation of starting current;
2. Elimination of inrush current and voltage;
3. Heat production decreases due to bypass switch module;
4. Moment control to realize the smooth start and stop of the compressor
5. Alleviation of vibration and mechanical deterioration;
6. Discharge of impact and gear stress on startup;
7. Easy wiring and installation, and equipment downtime reduction;
8. High reliability and long service life.
Electrical diameters: 1. Available power: 380V/12HP/3PH, 190V/7HP /3PH (less than 30A current);
2. Operation voltage: 320～460VAC;
3. Rated operational current: 30A;
4. Startup current: 80A/2.5S (triple rated operational current);
5. Inrush current: 400A/20mS;
6. Current dissipation: ≤22mA;
7. Power consumption: less than 5W;
8. Soft-start time: ≤2.5 Second;
9. Run-time: 45,000 hours (within the rated operating temperature range);
10. Start count: 100,000 times (more than 3 minutes start interval under normal circumstance);
Components introduction:1. Main wiring terminals:
250# insert is adopted for the connection of main wire terminals, i.e. A_IN, B_IN, C_IN, N_IN is three-phase and four- line AC input, A_OUT, B_OUT, C_OUT is the corresponding soft-start output to link with the three-phase compressor. 2. Control wire terminals:
Row connector is adopted for the connection of control wire terminals in an easy and reliable method. Control soft entry terminals own input control terminal start and protection, and power supply output of soft-starter. Output terminals have main and broken circuits control terminal and by pass control terminal. The external bypass mode is used to realize more stability.
3. Pushwheel switch:
Soft-starter owns the flexible starting time and starting initial voltage regulations, to meet the different requirements of payload types.
4. Selected keyboard connectors:
One 6P (2.54mm) connector on the top has total 4 lines analog input terminal to control the parameters of initial output voltage and starting time, and another 6P (2.54mm) input terminal is a SPI output terminal to display the operation parameters values.
5. Transformer and relay:
Blue transformer is an industrial grade safety isolating transformer with encapsulating material, which has characteristics of more secure usage and better flame retarding. Two relays on the right are used for output control terminal, among them, middle one is cut-out control, and right one is bypass control.
Scope of application: Three-phase air conditioners
Three-phase motors
Environmental parameters:
1. Operating temperature range: -20～+65°C;
2. Flame retardant property: insulating material with flame retardant property;
3. Relative humidity: 0 – 95%;
4. Impact resistance: 200m/s2 11ms;
5. Shock resistance: 10-55mm (double amplitude 1.5mm);
6. Rust-resisting property: every metal parts can undertake at least 24 hours salt spray test;
Dimension and weight: 1. Weight: about 400 grams;
2. Dimension: L*W*H (152.4mm*101.6mm*40mm);
