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SHR3D Economical Soft Starter with Dual MCU Design - High-Performance Solution from China Suppliers and Factory
Product Profile
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SHR3D economical soft starter adopts dual MCU design, using new microprocessor technology to achieve communication, failure processing, signals acquisition, and parameter setting.
The built-in non-volatile memory ensures parameters won't be lost. With perfect protection functions, entire monitoring can be offered for short circuit, over voltage, under voltage, and over load. The SHR3D soft starter achieves full realization of intelligent systems through online updates and high flexibility human-machine interaction design.
Function Features
- Opening design of human-machine interaction.
- Unique motor fuzzy algorithm solves mechanical impact.
- Extensive motor protect functions, long lifespan.
- Opening programming, customization based on demand.
- 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
Technical Parameters
| Standard Specifications | |
| Rated Voltage | 220~500V (consult manufacturer for higher voltage) |
| Rated Frequency | 50/60Hz |
| Rated Current | 18~840A |
| Adapted Motor | Three-phase squirrel-cage induction motor |
| Overload Capacity | 75~150%, 0~10s |
| Control Method | Soft start, soft stop, pump control, pulse start |
| I/O Setting | |
| Analog Input/Output | 1 PTC input; 0~20mA, 0~5V/10V Output (Optional) |
| Logic Input/Relay | 4 Programmable logic inputs; 3 Relay outputs |
| Working Environment | |
| Temperature/Humidity | 0℃~50℃; Lower than 95%RH |
| Protection Class | IP20 |
Motor Power Selection
| Motor Power (KW) | Rated Current (A) | Model | Weight (kg) | ||
|---|---|---|---|---|---|
| 220V | 400V | 500V | |||
| 4 | 7.5 | 11 | 18 | SHR3D18 | 4.5 |
| 7.5 | 15 | 18.5 | 30 | SHR3D30 | 4.5 |
| 11 | 22 | 25 | 45 | SHR3D45 | 4.5 |
| 15 | 30 | 37 | 60 | SHR3D60 | 4.5 |
| 18.5 | 37 | 45 | 75 | SHR3D75 | 9.8 |
| 22 | 45 | 55 | 90 | SHR3D90 | 9.8 |
| 30 | 55 | 75 | 110 | SHR3D110 | 9.8 |
| 37 | 75 | 90 | 145 | SHR3D145 | 22.7 |
| 75 | 132 | 160 | 250 | SHR3D250 | 22.7 |
| 110 | 200 | 250 | 370 | SHR3D370 | 24.8 |
| 250 | 450 | 560 | 840 | SHR3D840 | 24.8 |
Measurement & Dimensions
Frequently Asked Questions
What are the primary applications for the SHR3D soft starter?
It is widely used for starting equipment like pumps, fans, extruders, mixers, conveyor belts, and various machinery in textile and woodworking industries.
Does the soft starter retain settings during a power failure?
Yes, it features built-in non-volatile memory to ensure that all parameters and settings are preserved even if power is lost.
What protection features are integrated into the system?
The SHR3D provides comprehensive protection against short circuits, over-voltage, under-voltage, overload, loss of phase, and overheating.
Can the software be updated online?
Yes, the unit supports online software updates, allowing for high flexibility and the latest intelligent system features.
What types of motors are compatible with this starter?
It is specifically designed for three-phase squirrel-cage induction motors with rated currents ranging from 18A to 840A.
What communication protocols does it support?
The SHR3D soft starter supports RS485 communication and integrated user-defined protocols for field bus interaction.