AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage
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Product Highlights
- Wide Power Range: Supports power range from 5.5KW to 630KW for diverse industrial needs.
- Advanced Protection: Features overvoltage, overload, short circuit, phase loss, and SCR protection.
- Dual Cooling Options: Offers natural cooling for standard use and forced air cooling for heavy-duty apps.
- Smooth Operation: Reduces inrush current and mechanical stress, extending motor lifespan.
- Multiple Stop Modes: Provides free stop (instant) and soft stop (gradual deceleration) options.
- User-Friendly Display: Equipped with LED or LCD display for real-time monitoring and control.
Product Attributes
- Customization
- Available
- Application
- High Frequency Converter Transducer
- Output Type
- Triple
- Model NO.
- SCKR1-6800 132-200KW
- Principle of Work
- PLC Control
- Switch Mode
- PWM Control
- Main Circuit Type
- Voltage
- Voltage of Power Supply
- Low Voltage Variable-Frequency Drive
- Link of Transformation
- AC-AC Variable-Frequency Drive
- Nature of DC Power
- Voltage Variable-Frequency Drive
- Function
- Simple Type
- Brand
- Zhengxi
- Selling Units
- Single Item
- Input Voltage
- 1pH 220V/3pH 380V
- Output Voltage
- 3pH 220V/3pH 380V
- Customized
- Yes
- Single Gross Weight
- Kg
- Product Name
- 3phase 380V Frequency Inverter
- Frequency
- 50Hz/60Hz
- Protection
- Over Under/Over Voltage.Overload,AC Short Circuit
- Display
- LED,LCD Optional
- Storage Temperature
- -20c~+60c
- Transport Package
- Export Packaging Standards
- Origin
- Zhejiang, China
Product Images of AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage
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AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage -
AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage -
AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage -
AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage -
AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage -
AC Soft Start Electric Asynchronous Motor Three Phase Low Voltage
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Product Description
The Zhengxi SCKR1-6800 Soft Starter is designed for three-phase asynchronous motors, providing smooth and controlled motor startup while reducing electrical stress and mechanical wear. With PLC-controlled PWM technology, it ensures reliable performance for industrial applications. Supporting input voltages of 1P 220V and 3P 380V, it delivers a stable 3-phase 220V/380V output with adjustable start frequency for frequent or infrequent startups.
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Control power
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AC110V-220V±15%, 50/60Hz
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Main power
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AC380V±15%
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Power Range
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5.5KW-630KW
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Rated current
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22A-560A, 17 rated values in total
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Applicable motor
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Squirrel-cage three-phase asynchronous motor
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Stop mode
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Free stop and soft stop
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Logical input
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Impedance 1.8 KQ, power supply +24V
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Start frequency
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Frequent or infrequent start available, start is advised not to exceed 10 times each other
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Protective function
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Phase failure, overcurrent, short circuit, SCR protection, overheat,phase current unbalance, wiring and inner feult
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IP
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IP00, IP20
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Cooling type
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Natural cooling or forced air cooling
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Installation type
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Wall-mounted or cabinet vertical
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Enhanced Motor Protection: Prevents excessive inrush currents and voltage dips
Smooth Operation: Reduces mechanical stress, extending motor lifespan
Flexible Startup Control: Supports frequent or infrequent starts (≤10 starts per hour)
User-Friendly Interface: LED/LCD display for real-time monitoring
Reliable & Durable: Works efficiently in temperatures ranging from -20°C to +60°C
1. What is the role of an asynchronous motor soft starter?
A soft starter gradually increases the voltage supplied to the motor, reducing inrush current and mechanical stress. This ensures a smooth start and extends the life of the motor and connected equipment.
2. What is the power range of the Zhengxi SCKR1-6800 soft starter?
It supports a power range from 5.5KW to 630KW, suitable for a variety of industrial applications.
3. What voltage does this soft starter support?
Control power supply: AC 110V-220V±15%, 50/60Hz
Main power supply: AC 380V±15%
Output voltage: three-phase 220V/380V
4. What protection functions are included?
The soft starter has a variety of protection functions, including:
Overvoltage and undervoltage protection
Overload protection
AC short circuit protection
Phase loss protection
Overcurrent and overheating protection
Phase current imbalance detection
SCR and wiring fault protection
5. Can the soft starter be used for frequent starts?
Yes, but it is recommended not to start more than 10 times per hour to prevent excessive wear and overheating.
6. What are the available stop modes?
It supports free stop (instant cut-off) and soft stop (gradual deceleration) to protect mechanical parts from sudden shutdown shock.
7. How is the soft starter installed?
It can be wall-mounted or cabinet-mounted, providing flexibility for different installation environments.
8. What are the cooling options?
Two cooling types are available:
Natural cooling for standard operation
Forced air cooling for heavy-duty applications that require enhanced heat dissipation
9. What is the operating temperature range?
The soft starter can operate efficiently in a temperature range of -20°C to +60°C, ensuring reliable performance in a variety of environments.
10. Which industries can use this soft starter?
This soft starter is widely used in the following industries:
Pumps and fans
Compressors
Conveyors and elevators
Textile and printing machinery
Heavy manufacturing equipment
11. Does the product comply with international standards?
Yes, Zhengxi soft starters are designed according to IEC, CE and ISO9001 standards to ensure quality and reliability.
A soft starter gradually increases the voltage supplied to the motor, reducing inrush current and mechanical stress. This ensures a smooth start and extends the life of the motor and connected equipment.
2. What is the power range of the Zhengxi SCKR1-6800 soft starter?
It supports a power range from 5.5KW to 630KW, suitable for a variety of industrial applications.
3. What voltage does this soft starter support?
Control power supply: AC 110V-220V±15%, 50/60Hz
Main power supply: AC 380V±15%
Output voltage: three-phase 220V/380V
4. What protection functions are included?
The soft starter has a variety of protection functions, including:
Overvoltage and undervoltage protection
Overload protection
AC short circuit protection
Phase loss protection
Overcurrent and overheating protection
Phase current imbalance detection
SCR and wiring fault protection
5. Can the soft starter be used for frequent starts?
Yes, but it is recommended not to start more than 10 times per hour to prevent excessive wear and overheating.
6. What are the available stop modes?
It supports free stop (instant cut-off) and soft stop (gradual deceleration) to protect mechanical parts from sudden shutdown shock.
7. How is the soft starter installed?
It can be wall-mounted or cabinet-mounted, providing flexibility for different installation environments.
8. What are the cooling options?
Two cooling types are available:
Natural cooling for standard operation
Forced air cooling for heavy-duty applications that require enhanced heat dissipation
9. What is the operating temperature range?
The soft starter can operate efficiently in a temperature range of -20°C to +60°C, ensuring reliable performance in a variety of environments.
10. Which industries can use this soft starter?
This soft starter is widely used in the following industries:
Pumps and fans
Compressors
Conveyors and elevators
Textile and printing machinery
Heavy manufacturing equipment
11. Does the product comply with international standards?
Yes, Zhengxi soft starters are designed according to IEC, CE and ISO9001 standards to ensure quality and reliability.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263094". Items marked "
" are certified.
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Company Profile
ZHENGXI Group is a leading manufacturer specializing in the research, development, and sales of high and low voltage electrical equipment, with over 20 years of industry experience.
The group owns three wholly-owned or controlled subsidiaries, three major business divisions, and two advanced R&D and production bases, continuously innovating to provide the market with high-quality products. Our brands "ZHENGXI Electrical" and "PINEELE" are well respected and influential in the industry.
Our product range includes automatic voltage stabilizers, buck boost transformers, variable transformer, soft starters, inverters, and high/low voltage distribution cabinets. These products are certified by IEC, CE, RoHS, FCC, and ISO9001, ISO14001, ISO45001and have obtained over 130 technical patents.
The company has been recognized as a national high-tech enterprise, leading enterprise in new technology, outstanding design patent award in China, excellent technology in China, and among the first batch of "Good Product" brand enterprises in Zhejiang Province.
About Our Factory & Business Background
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Business Type
- Manufacturer/Factory & Trading Company
- Address
- 555 Chezhan Road, Liushi Town, Wenzhou, Zhejiang, China
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Plant Area
- 10000 square meters
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Number of Employees
- 85
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Registered Capital
- 50,000,000 RMB
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Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DDP, Others
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Average Lead Time
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Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
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Minimum Order Quantity
- 1 Pc
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Supply Chain Partners
- 150
Our Production Capability & Technical Expertise
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Main Products
- Voltage Stabilizer, Transformer
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Production Lines
- 14
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Production Machines
- Hydraulic press, Automated equipment, Drying oven, Winding machine, Vacuum impregnation machine
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QA/QC inspectors
- 8 people
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Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Finished product checked by packing staff
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Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
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R&D Engineers
- 6 people
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Traceability of Raw Materials
- No
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Test Reports for Raw Materials
- FCC, Others
Our Industry Experience & Global Business Record
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Year of Establishment
- 2014-03-11
- Export Year
- 2014-03-13
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
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Repeat Buyers Choice
- 50%~80%
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Number of Foreign Trading Staff
- 10
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018, ISO14001
FAQ
- What is the role of an asynchronous motor soft starter?
- A soft starter gradually increases the voltage supplied to the motor, reducing inrush current and mechanical stress. This ensures a smooth start and extends the life of the motor and connected equipment.
- What is the power range of the Zhengxi SCKR1-6800 soft starter?
- It supports a power range from 5.5KW to 630KW, suitable for a variety of industrial applications.
- What protection functions are included?
- The soft starter has a variety of protection functions, including: Overvoltage and undervoltage protection, Overload protection, AC short circuit protection, Phase loss protection, Overcurrent and overheating protection, Phase current imbalance detection, SCR and wiring fault protection.
- Can the soft starter be used for frequent starts?
- Yes, but it is recommended not to start more than 10 times per hour to prevent excessive wear and overheating.
- What are the available stop modes?
- It supports free stop (instant cut-off) and soft stop (gradual deceleration) to protect mechanical parts from sudden shutdown shock.
- How is the soft starter installed?
- It can be wall-mounted or cabinet-mounted, providing flexibility for different installation environments.
- What are the cooling options?
- Two cooling types are available: Natural cooling for standard operation, Forced air cooling for heavy-duty applications that require enhanced heat dissipation.
- Which industries can use this soft starter?
- This soft starter is widely used in the following industries: Pumps and fans, Compressors, Conveyors and elevators, Textile and printing machinery, Heavy manufacturing equipment.
- Does the product comply with international standards?
- Yes, Zhengxi soft starters are designed according to IEC, CE and ISO9001 standards to ensure quality and reliability.
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