Introduction: NJR2-D series soft starter is based on advanced dual CPU control technology as the core, controls the thyristor module, realizes the soft start and soft stop functions of the three-phase AC asynchronous motor, and has a number of protection functions such as overload, input phase loss, output phase loss, load short circuit, starting current limiting timeout, overvoltage, undervoltage, etc. The product conforms to the standard GB/T 14048.6 and IEC 60947-4-2.
Product parameters
Main power supply voltage: 380V+57V
Main power frequency: 50Hz+1Hz
Applicable motor: ordinary squirrel cage three-phase asynchronous motor
Pollution level: Level 3
Degree of protection: IP20
Rated insulation voltage: 660V
Rated impulse withstand voltage: 2kV
Cooling method: natural air cooling
Starting frequency: It is recommended not to exceed 10 times per hour, the heavier the load, the less the starting frequency should be;
Seismic capacity: vibration less than 0.5g;
Environmental conditions: If the altitude exceeds 1000m, it should be derated accordingly, and more than 1000m is less than
0.5% derating for every 100m increase in 3000m, and more than 3000m needs to be customized;
The relative humidity does not exceed 95% (20-65°C};
No condensation, no flammable and explosive gases, no conductive dust, good ventilation.
Soft start time: (2-60)s
Soft stop time: (0-60)s
Starting delay: (0-999)s
Interval: (0-999)s
Programming delay: (0-999)s
Starting modes: 4 types
Shutdown modes: 2
Soft start starting voltage: (30-70)%
Soft start current limiting range: (50-500)%le
Soft Shutdown Current Limiting Range: (20—100)%
This article introduces CHINT/CHINT soft starter NJR2-D series rated insulation voltage 660V products, if you are interested in CHINT/CHINT soft starter, please also contact our customer service, we are looking forward to your call, hope our technology and service can bring you a better experience.
The company has been customer-centric, the concept of creating value for customers, winning the market with quality and service, and sincerely hopes to cooperate with all sectors of society to create success, create brilliance together, and work together to create a better tomorrow! In line with the concept of credibility and service-oriented, the company warmly welcomes new and old customers to inquire, visit and negotiate business!
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