SHR3D Economical Soft Starter - Dual MCU Design from Reliable China Suppliers & Factory for Advanced Motor Control
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 | ||||||||
| Motor Power (KW) | Rated Current 1e(A) |
Model | Weight (kg) | |||||
| 220V | 400V | 500V | Model Name | 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
What is the core design benefit of the SHR3D soft starter?
The SHR3D soft starter utilizes a dual MCU design and advanced microprocessor technology. It includes built-in non-volatile memory to prevent parameter loss and provides complete protection for short circuits, over voltage, under voltage, and over load.
What motor types are compatible with the SHR3D soft starter?
It is specifically designed for three-phase squirrel-cage induction motors, supporting a rated voltage range of 220~500V and a rated current range of 18~840A.
What are the primary control methods available?
The starter supports multiple control methods including soft start, soft stop, pump control, and pulse start, offering high operational flexibility.
What protection mechanisms does the system feature?
It offers extensive supervision features including protection against short circuits, over-voltage, under-voltage, overload, loss phase, phase sequence, over current, ground fault, current unbalance, motor overheat, and excessive start frequency.
What environmental conditions are required for operation?
It is designed for indoor cabinet installations below 2000m altitude. The operating temperature must be between 0℃ and 50℃, with air relative humidity below 95%RH, and in an environment free of dust, direct sunshine, corrosion, or flammable gas.
Does it support remote monitoring and communication?
Yes, it features user-defined integrated communication protocols and optional RS485 communication. Commands can be preset via the LCD keyboard, control terminal, or communication interface.