NR1000 Built in Soft Starter Cabinet
The application of thyristor technology enables voltage reduction starting to achievesmooth voltage output without current or mechanical impact, demonstrating significantlysuperior performance compared to star-delta, autotransformer, and magnetron softstarters. Intelligent technologies further optimize thyristor-based soft starters by aligningwith load characteristics, while integrating real-time data monitoring, motor protection,and bus control functions. This enhances operational…
The application of thyristor technology enables voltage reduction starting to achievesmooth voltage output without current or mechanical impact, demonstrating significantlysuperior performance compared to star-delta, autotransformer, and magnetron softstarters. Intelligent technologies further optimize thyristor-based soft starters by aligningwith load characteristics, while integrating real-time data monitoring, motor protection,and bus control functions. This enhances operational reliability and performanceexcellence, making the equipment more reliable and efficient.
This built-in bypass intelligent soft starter is developed on a 32-bit DSC processorplatform, integrating the latest motor control theories, protection technologies, and fuzzycontrol systems to create a next-generation high-performance solution. The devicefeatures an integrated bypass contactor that significantly reduces internal heatgeneration, making it particularly suitable for high-temperature environments. Its uniquestructural design, especially in models under 22 kW, delivers a compact and aestheticallypleasing appearance.
Effectively reduces the starting current of the motor, can reduce the power distribution capacity, avoid power grid capacity investment.
Reduced the starting stress of the motor and load equipment, extended the service life of the motor and related equipment.
The soft shutdown function effectively solves the problem of shutdown surge in inertial system.
A variety of unique starting modes, adapt to complex working conditions, achieve perfect starting effect.
Improve the reliable protection function, effectively ensure the use safety of motors and related production equipment.
Standard network protocol to meet the networking requirements of power automation.
Features
Use simulation software to optimize the heat dissipation design, miniaturization with better heat dissipation capacity;
Built-in bypass contactor, reduce the heat of soft starter itself, more suitable for high temperature environment;
Based on the 32-bit DSC processor platform, the bandwidth is higher and the speed is faster, so that the fuzzy algorithm control is more accurate;
Use 12-bit AD sampler and DMA data transmission mode to realize direct AC sampling with high real-time performance;
Realize wide range linear data sampling, no dead zone of data acquisition, more accurate data;
All faults can be turned on and off for convenient debugging;
When soft start, it can automatically add time and force according to the load, and has stronger load adaptability;
Rich monitoring data, while monitoring current and voltage, can also monitor phase sequence Angle, frequency, cumulative running time and other data;
High precision 4-20 MA current output capacity, linear accuracy up to 0.5%;
It has up to 12 kinds of protection functions, among which the anti-time limit overload protection can effectively prevent motor overheating and burning, so the equipment can
be used more safely;
Four-line LCD display, can switch between Chinese and English.
| Project name | Performance index | |
| Scope of application | 3 phase squirrel cage asynchronous motor | |
| Power bracket | 3~185kW(220V)、5.5~320kW(380V)、5.5~350kW(460V) | |
| Input voltage | 220V(±20%),380V(±20%),460V(±20%) | |
| Incoming frequency | 50/60HZ ±5% | |
| Overload capacity | Less than 22KW: 300% for 30 seconds, 120% continuous>22KW: 400% for 60 seconds, 120% continuous | |
| Control the power supply voltage | 220V and 380V models do not need external Control power supply, The 460V model requires an external AC220V (50/60HZ) control voltage |
|
| Adjustable current multiplier | 1 to 5 times | |
| Softening time | 1–90 seconds | |
| Module working mode | Over a long period of time | |
| cooling‑down method | Forced air cooling or natural cooling (for some models) | |
| Secondary terminals | Digital Input | Route 3 |
| relay output | ≤115 KW 1 circuit (program mable) > 115KW 3 circuit (program mable) | |
| 4‑20mA | ≤22KW: None>22KW: 1 channel (optional) | |
| RS485 | ≤22 KW : 1 circuit > 22 KW : 1 circuit (expand able) | |
| Protect | Short circuit, overcurrent, overheating protection, reverse time overload, voltage phase loss, imbalance, etc Instant stop, undervoltage, overvoltage, underload, failure to start, wrong phase sequence. |
|
| Host overload protection | Overload reverse time limit, 1–6 levels optional | |
| Protection of main electromechanical loss balance | Unbalanced trip standard: 5–100% any two phases unbalanced trip delay: 1–60 seconds can be set |
|
| Host short circuit protection | Fast cut time: ≤0.1S, can be set | |
| Bus functionality | Inter face : RS 485 protocol: Mod bus RTU | |
| HMI | 4 rows of COG screens | |
| Language | Chinese and English | |
| Voltage level | rated power | Rated current |
| 220V | 3kW | 10.5A |
| 220V | 5.5kW | 19A |
| 220V | 7.5kW | 26A |
| 220V | 11kW | 38A |
| 220V | 15kW | 52A |
| 220V | 18.5kW | 64A |
| 220V | 22kW | 76A |
| 220V | 30kW | 105A |
| 220V | 37kW | 130A |
| 220V | 45kW | 160A |
| 220V | 55kW | 190A |
| 220V | 75kW | 265A |
| 220V | 90kW | 320A |
| 220V | 115kW | 400A |
| 220V | 132kW | 470A |
| 220V | 160kW | 560A |
| 220V | 185kW | 650A |
| 380V | 3kW | 6A |
| 380V | 5.5kW | 11A |
| 380V | 7.5kW | 15A |
| 380V | 11kW | 22A |
| 380V | 15kW | 30A |
| 380V | 18.5kW | 37A |
| 380V | 22kW | 44A |
| 380V | 30kW | 60A |
| 380V | 37kW | 74A |
| 380V | 45kW | 90A |
| 380V | 55kW | 110A |
| 380V | 75kW | 150A |
| 380V | 90kW | 180A |
| 380V | 115kW | 230A |
| 380V | 132kW | 264A |
| 380V | 160kW | 320A |
| 380V | 185kW | 370A |
| 380V | 200kW | 400A |
| 380V | 250kW | 500A |
| 380V | 280kW | 560A |
| 380V | 320kW | 640A |
| 380V | 350kW | 700A |
| 460V | 3kW | 4.7A |
| 460V | 5.5kW | 8.5A |
| 460V | 7.5kW | 12A |
| 460V | 11kW | 17A |
| 460V | 15kW | 23A |
| 460V | 18.5kW | 29A |
| 460V | 22kW | 34A |
| 460V | 30kW | 47A |
| 460V | 37kW | 57A |
| 460V | 45kW | 70A |
| 460V | 55kW | 85A |
| 460V | 75kW | 116A |
| 460V | 90kW | 140A |
| 460V | 115kW | 178A |
| 460V | 132kW | 205A |
| 460V | 160kW | 248A |
| 460V | 185kW | 286A |
| 460V | 200kW | 310A |
| 460V | 250kW | 388A |
| 460V | 280kW | 434A |
| 460V | 320kW | 496A |
| 460V | 350kW | 543A |







