Product Overview
The NJR5-ZX series soft starter is an in-line soft starter, its input supply voltage (main circuit voltage) is AC220V, AC380V, AC460V, AC575V and AC690V, and the rated current is from 15A to 1000A. It has the characteristics of strong load adaptability, stable and reliable operation, and is widely used in metallurgy, petroleum, fire protection, mining, water supply, municipal, food, cement, petrochemical and other fields of motor transmission equipment.
NJR5-ZX series soft starter is a soft starter for AC asynchronous motor integrating power electronics technology, microprocessor technology and modern control theory technology. The product can effectively control the starting current and starting torque of the three-phase asynchronous motor (hereinafter referred to as the motor), and can be widely used in fans, pumps, compressors, ball mills, crushers and other loads.
The product conforms to the standard: GB/T 14048.6, IEC 60947-4-2.
Technical parameters and performance
Supply voltage:
NJR5-D/ZX2: AC220V (Range: AC198V—— AC264V); .
NJR5-port/ZX3: AC380V (range: AC323V-AC437V);
NJR5-O/ ZX4: AC460V (Range: AC414V - AC504V);
NJR5-O/ZX5: AC575V (range: AC517V-AC633V);
NJR5-O/ZX6: AC690V (range: AC621V- AC759V).
Main power frequency: 50Hz+1.5Hz, 60Hz+1.8Hz.
Applicable motor: ordinary squirrel cage three-phase asynchronous motor
Pollution level: Level 3
Rated insulation voltage:
1) NJR5-O/ZX2 and NJR5-port/ZX3: AC660V;
2） NJR5-O/ZX4、 NJR5-O/ZX5、 NJR5-O/ZX6: AC1000V。
Rated impulse withstand voltage: 8kV.
Cooling method: forced air cooling.
Starting frequency: The starting frequency per hour can be set, it is recommended not to exceed 10 times per hour, the heavier the load, the less the starting frequency should be.
Soft start time factor: (2-60) S.
Soft-stop time factor: (2-60) S.
Starting mode: Conventional Current Mode, Enhanced Current Mode, Conventional Voltage Mode, Enhanced Voltage Mode, Linear Torque Mode, Square Torque Mode and Frequency Divider Mode, a total of 6 types.
Shutdown modes: free shutdown, brake shutdown and voltage ramp soft shutdown, a total of 3 types.
Initial voltage: (30-70) %Ue, where Ue represents the supply voltage.
Jump time: (0.0 - 2.0) s.
Burst voltage: (50-100) %Ue, where Ue represents the supply voltage.
Current limiting multiple: (50-500) %le, where Ie represents the rated current of the motor.
Torque limit level: (50.0—— 300.0) %Te, where Te represents the rated torque of the motor.
This article introduces CHINT/CHINT soft starter — NJR5-ZX series online soft starter 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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