China SHR3D Economical Soft Starter with Dual MCU Design - Reliable Suppliers & Factory Direct Solutions
Product Profile
SHR3D economical soft starter adopts dual MCU design, use new microprocessor technology to achieve communication, failure processing, signals acquisition, parameter setting etc. The built-in non-volatile memory is used to ensure parameters won't be lost. With perfect protect function, the entire protection and monitoring can be offered for short circuit, over voltage, under voltage and over load.
The SHR3D soft starter can achieve the full realization of intelligent systems through online update and high flexibility and human-machine interaction design. The model offers communication function which includes communication between field bus and soft starter, analogue output (optional), online software update.
Function Feature
- Opening design of human-machine interaction.
- Unique motor fuzzy algorithm solves mechanical impact and shock problems.
- Extensive motor protect functions, long lifespan.
- Opening programming, customization based upon customer's demand, save cost.
- Load data indication and feedback system.
Applications
- Starting equipment
- Packing Machinery
- Pump fan
- Extruder
- Centrifuge
- Mixer
- Conveyor belt
- Woodworking Machinery
- Textile Machinery
- Propeller
- Process control
- Main power plant
- Gear-drive device
Parameters
| Technical Parameters | |
|---|---|
| Rated Voltage | 220~500V (consult the manufacturer for higher voltage) |
| Rated Frequency | 50/60Hz |
| Rated Current | 18~840A |
| The motor adapted | Three-phase squirrel-cage induction motor |
| The soft start overload | 75~150%, 0~10s |
| Pulse parameter | 80% Ue, 0~1s |
| Control method | Soft start, soft stop, pump control, pulse start |
| Starts per hour | 3~6 times/ hour (as per loading application) |
| Adjustable starting torque | 30%~80% (direct starting torque) |
| Number of functions | >145 |
| I/O setting | |
| Analog input | 1 PTC input |
| Logic input | 4 Logic input (programmable) |
| Analog output | 0~20mA, 0~5V (optional); 0~10V (optional) |
| Relay output | 3 Relay output, 2 of them are Programmable |
| Operation command input | Preset by LCD keyboard, control terminal, RS485 communication, switchable among them |
| Dialog Tool | Built-in remote monitor or installation software |
| Protection & communication display | |
| Protection & Supervision | Short circuit, over-voltage, under-voltage, overload, loss phase, phase sequence, over current, ground fault, current unbalance, overheat of motor, time of frequently start. |
| LED display | Parameters such as current, voltage and alarm. |
| Button-locking & Function Selection | All or some buttons can be locked and the function of some buttons can be defined. |
| Integrated communication protocol | User-defined |
| Optional communications | RS485 |
| Working environment | |
| Working place | Indoor, no sunshine, no dust, no corrosion, no flammable gas, no grease, no steam, no dropping water, no salts and so on. |
| Altitude | Lower than 2000m. |
| Operating temperature | 0℃~50℃ |
| Humidity | Air relative humidity lower than 95%RH (25℃) |
| Vibration | No obvious vibration or shocking |
| Storage temperature | -10℃~50℃ |
| Protection & structure | |
| Protection Class | IP20 |
| Cooling | Natural cooling |
| Installation | In cabinet |
| 230-690V Motor Power Specifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Motor Power (kW) | Rated Current Ie (A) |
Model Details | Weight (kg) | |||||
| 220V | 400V | 500V | Model | Main Voltage | Control Voltage | Option | ||
| 4 | 7.5 | 11 | 18 | SHR3D18 | -x | -x | -x | 4.5 |
| 7.5 | 15 | 18.5 | 30 | SHR3D30 | -x | -x | -x | 4.5 |
| 11 | 22 | 25 | 45 | SHR3D45 | -X | -x | -x | 4.5 |
| 15 | 30 | 37 | 60 | SHR3D60 | -x | -x | -x | 4.5 |
| 18.5 | 37 | 45 | 75 | SHR3D75 | -X | -x | -x | 9.8 |
| 22 | 45 | 55 | 90 | SHR3D90 | -x | -x | -x | 9.8 |
| 30 | 55 | 75 | 110 | SHR3D110 | -x | -x | -x | 9.8 |
| 37 | 75 | 90 | 145 | SHR3D145 | -x | -x | -x | 22.7 |
| 45 | 90 | 110 | 175 | SHR3D175 | -x | -x | -x | 22.7 |
| 55 | 110 | 132 | 210 | SHR3D210 | -x | -x | -x | 22.7 |
| 75 | 132 | 160 | 250 | SHR3D250 | -x | -x | -x | 22.7 |
| 90 | 160 | 200 | 300 | SHR3D300 | -x | -x | -x | 22.7 |
| 110 | 200 | 250 | 370 | SHR3D370 | -x | -x | -x | 24.8 |
| 132 | 250 | 315 | 470 | SHR3D470 | -x | - X | -x | 24.8 |
| 160 | 315 | 400 | 570 | SHR3DS570 | -x | -x | -x | 24.8 |
| 200 | 400 | 500 | 720 | SHR3D720 | -x | -x | -x | 24.8 |
| 250 | 450 | 560 | 840 | SHR3D840 | -x | -x | -x | 24.8 |
Measurement
Frequently Asked Questions (FAQ)
The SHR3D economical soft starter features a dual MCU design and utilizes advanced microprocessor technology to manage communication, failure processing, signal acquisition, and parameter configuration effectively.
No. The SHR3D soft starter includes a built-in non-volatile memory system which guarantees that all customized parameters and configurations are safely saved and will not be lost during power drops.
It provides complete protection and monitoring capabilities for short circuits, over voltage, under voltage, overload, loss of phase, phase sequence anomalies, overcurrent, ground faults, current unbalance, and motor overheating.
The SHR3D soft starter supports multiple control methods including soft start, soft stop, pump control, and pulse start, allowing high flexibility for various industrial machinery demands.
It is designed for indoor installation below 2000m altitude. The environment should be free from direct sunshine, dust, corrosive or flammable gases, grease, steam, and salt. Operating temperature should range between 0℃ and 50℃, with relative humidity below 95%RH.




















