Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

Product Details
Customization: Available
Application: High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer, Soft Starter
Output Type: Triple
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  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
  • Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
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  • Overview
  • Product Description
  • Detailed Photos
  • Production Size
  • Packing & Payment & Shipping
  • Company Profile
  • Certifications
  • After Sales Service
  • FAQ
Overview

Basic Info.

Model NO.
PQZR8-SZ280-T4
Principle of Work
Vector Control Transducer
Switch Mode
PWM Control
Main Circuit Type
Current
Voltage of Power Supply
Low Voltage Variable-Frequency Drive
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Current Variable-Frequency Drive
Function
Simple Type
Brand
Pquan
Protection Class
IP20
Soft Starting Rise Time
2~60s
Main Loop Operating Voltage
AC380V
Main Loop Operating Current
22A~560A
Main Loop Frequency
50Hz/60Hz
Current Limiting Multiple
1.0~5.0 Ie
Initial Voltage
30%~70% Ue
Cooling Method
Forced Air Cooling / Fan Cooling
Communication Method
RS485 Serial Communication
Rated Power
220kw/250kw/280kw/315kw/350kw/400kw
Rated Current
440A/500A/560A/630A/700A/800A
Installation Dimen
37.1*51.6cm
Hole Intermediate Distance
9.8*6.8cm
Mounting Hole Diameter
M8
Soft Starter Size
46*26.3*54.2cm
Transport Package
Cartoon/Wooden Case
Specification
PQZR8-SZ280-T4
Trademark
PQUAN
Origin
Wenzhou China
HS Code
8536300000
Production Capacity
1000PCS/Week

Product Description


Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

Product Description

 
The PQZR8-Z series online soft starter is a highly intelligent, reliable, and user-friendly solution designed to simplify setup and offer personalized control. Can be used for frequent start and stop occasion. This design adopts a three-in, three-out silicon-controlled full-time online structure, equipped with a high-power air-cooled radiator and a high-speed axial fan internally to ensure stable and reliable operation for extended periods. It does not require an external AC contactor but can only be used with a single motor.
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

Technical Specification:
Main Loop Operating Voltage: AC380V (±15%)
Main Loop Operating Current: 22A~560A
Main Loop Frequency: 50~60Hz (±2%)
Soft Starting Rise Time: 2~60s
Soft Stop Time: 0~60s
Current Limiting Multiple: 1.0~5.0 Ie (where Ie refers to rated current)
Initial Voltage: 30%~70% Ue (where Ue refers to rated voltage)
Cooling Method: Forced Air Cooling / Fan Cooling
Communication Method: RS485 Serial Communication
Starts Per Hour: ≤20 times/hour
Input Power Supply Three Phase 380V-15% ~ 415+10%   50/60Hz
Adaptive Motor Squirrel-cage three-phase asynchronous motor
Starting Times It is recommended not to exceed 20 times per hour.
Control Mode 1) Operation panel control;
2) Operation panel + external control;
3) External control;
4) External control + COM control;
5) Operation panel + external + COM control;
6) Operation panel + COM control;
7) COM control;
8) No start or stop operation.
Start Mode 1) Current-limiting start;
2) Voltage ramp start;
3) Kick start + current-limiting start;
4) Kick start + voltage ramp start;
5) Current ramp start;
6) Voltage current-limiting double closed-loop start.
Stop Mode 1) Soft stop;
2) Free stop.
Place to be used Indoor location with good ventilation free from corrosive gas and conductive dust.
Altitude Below 3000M. It have to rise the rate power when the altitude is more than 3000M.
Ambient Temperature  -30~+55ºC
Ambient Humidity ≤90%RH without dew condensation.
Vibration <0.5G
Protection Class IP20
Cooling Pattern Natural wind cooling.
Transport Package Carton
Trademark PQUAN
HS Code 85114010
Humidity ≤90% (20ºC±5ºC)
Vbration less than 0.6G
Switch Mode PWM Control

Notice:
1. Protective grade: IP20.
2. Environmental conditions: The environment temperature is -10ºC~40ºC, and the humidity is ≤90% (20ºC±5ºC).  There are indoor installation and good ventilation instead of condensation, flammable, explosive and corrosive gases and conductive dust.  
3. The vibration is less than 0.6G and the capacity should be lowered accordingly for use when the elevation exceeds 1,000 m. Pursuant to actual rate current of the motor, rated output of soft starter should be reset at the time of use with reduced capacity to ensure accuracy of various control parameters and fault protection
.

 
Features:
•  Intuitive Display: Features a large LCD screen that displays feedback in multiple languages and tracks motor condition.
•  Advanced Control: Offers advanced start and stop control functions with intuitive programming.
•  Flexible Starting Parameters: Six selectable starting parameter sets allow a single soft starter to efficiently handle diverse motor load requirements.
•  Dynamic Fault Memory: Facilitates rapid troubleshooting by providing detailed fault history and diagnostics.
•  Comprehensive Motor Protection: Ensures reliable motor operation through a full suite of protective functions.
•  Visual Display Options: Offers clear operational feedback via LED indicators or a more detailed LED display.
•  Communication Protocols: Provides seamless integration with industrial control systems through Modbus communication protocols.
•  Compact and User-Friendly Design: Features a space-saving structure for easy installation and intuitive operation.
•  Function-Grouped Menu: Simplifies configuration and operation with a logically organized menu structure.
•  Remote Display and Diagnostics:
Convenient external cabinet display installation via an optional panel mounting kit, with support for side-by-side multiple displays for rapid troubleshooting.
•  Precise Soft Stop Control:
CPU-controlled soft stop functionality ensures smooth deceleration, ideal for applications sensitive to sudden stops or "hammer effect" impacts.
•  Innovative Cooling System: 360-degree omnidirectional heat dissipation via a high-speed fan and optimized in/out ventilation grille
•  Versatile Starting Modes:Current limiting start,Voltage ramp start,Kick start + current-limiting start, Kick start + voltage ramp start, Current ramp start,  Voltage current-limiting double closed-loop start

 
Product Protection:
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
• Soft Start / Soft Stop  
• Overload Protection  
• Overheat Protection  
• Overvoltage Protection  
• Load Loss Protection  
• Undervoltage Protection  
• Overcurrent Protection  
• Phase Loss Protection  
• Constant Torque Load  
• Ground Fault Protection  
• Short Circuit Protection  
• Stall Protection

 

Detailed Photos

Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Remotely installable operation panel

Features a large LCD screen that displays feedback in multiple languages and tracks motor condition.
Simultaneously display multiple sets of data, machine operation status at a glance


 
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter


  
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

 

 Wiring diagram:                                                                                                 Operation mode:
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Control Mode  1) Operation panel control
 2) Operation panel + external control
 3) External control
 4) External control + COM control
 5) Operation panel + external + COM control
 6) Operation panel + COM control
 7) COM control
 8) No start or stop operation
Start Mode  1) Current-limiting start
 2) Voltage ramp start
 3) Kick start + current-limiting start
 4) Kick start + voltage ramp start
 5) Current ramp start
 6) Voltage current-limiting double closed-loop start
Stop Mode  1) Soft stop
 2) Free stop


 

Production Size

 

Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Rated Power 15/22/30/37/45/55/75KW
 
Rated Power 90/115KW
 
Rated Power 132/160/185/200KW
Rated Current 30/44/60/75/90/110/150A
 
Rated Current 180/230A
 
Rated Current 264/320/370/400A
Installation Dimension 12.2*27.5CM
 
Installation Dimension 17.2*33CM
 
Installation Dimension 22.3*35CM
Hole intermediate distance 9.8*6.8CM
 
Hole intermediate distance 9.8*6.8CM
 
Hole intermediate distance 9.8*6.8CM
Mounting hole diameter M6
 
Mounting hole diameter M8
 
Mounting hole diameter M10
Soft Starter Size 14.4*19.5*29.4CM
 
Soft Starter Size 21*25.6*34.5CM
 
Soft Starter Size 27*21.7*36.5CM
Rated Power 220/250/280/320/350/400KW
 
Rated Power 450/500/630KW
Rated Current 440/500/560/640/700/800A
 
Rated Current 900/1000/1260A
Installation Dimension 37.1*51.6CM
 
Installation Dimension 54.9*66.9CM
Hole intermediate distance 9.8*6.8CM
 
Hole intermediate distance 9.8*6.8CM
Mounting hole diameter M10
 
Mounting hole diameter M10
Soft Starter Size 46*26.3*54.2CM
 
Soft Starter Size 61.6*33.2*69.2CM
 


Application:
• Fluid Handling (Pumps & Fans): Used in water treatment, HVAC, and industrial ventilation to minimize mechanical stress and improve energy efficiency during startup.
• Material Transport (Conveyors & Belt Drives): Ensures gradual motor speed increase, reducing equipment wear and enhancing operational efficiency.
• Compression Systems (Compressors): Reduces inrush current and mechanical stress in air conditioning, refrigeration, and industrial compressor applications.
• Mixing & Agitation (Mixers & Agitators): Provides smooth, controlled startups in food processing, chemical facilities, and wastewater treatment, minimizing vibration and improving efficiency.
• Size Reduction (Crushers & Mills): Used in mining, cement, and aggregate processing to decrease mechanical stress and enhance energy efficiency.
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

 

Packing & Payment & Shipping

 
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
PACKING
Professional packing with multi-protection

Different good will have different packing guarantee the transportaion safety of products
 
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
PAYMENT
1. Standard payment terms: T/T 30% deposit, 70%balance against B/L copy or 100% irrevocable LC atsight.
2. Online trade assurance order all is up to you.
3. More payment terms could be provided. (AlibabaPay, We Chat Pay, Western Union...)




SHIPPING
1. Delivery time: Generally it is 5-10 days if the goods arein the stock, or it is 15-20 days if the goods are not in thestock, it is according to the quantity.
2. General export packing or customized packing as yourrequest.
3. Professional goods shipping forwarder.

 

Company Profile

 

Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Zhejiang PQUAN Technology CO.,LTD. is a manufacturer specialized in development, production, marketing as a body to produce electric power
voltage regulators/stabilizers. Since origination, it has been persisting in taking the science and technology as the forerunner, the abundant technique as a backing, and positively introducing the overseas advanced technology, unceasingly improve and consummate the products, many years specialized management, our products has been the best-selling in own chinese nation. Meanwhile export to Bangladesh, Mayanmar, India, Russia, Indonesia,Thailand and other countries in southeast Asia and Africa area, they are highly praised and welcomed by foreign customers.

 The pictures of the workshop:
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
 
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter
Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

Certifications

Factory Price Three Phase Low Voltage 380V Modbus LCD 280V High-Efficiency AC Soft Starter

 

After Sales Service


We provide reliable after-sales support to ensure your inverter operates efficiently.
Our services include:
1.  
Technical Support: Available 24/7 for installation, troubleshooting, and operational guidance.
2.  Warranty: Coverage for manufacturing defects and component failures.
3.  Maintenance: Regular check-ups by certified technicians to keep your inverter in top condition.
4.  
Repairs: Quick and efficient repair services using genuine parts.
5.  Training: User manuals and training sessions for proper operation and maintenance.
6.  Spare Parts: Easy access to a wide range of spare parts for timely replacements.

Your satisfaction is our priority. Contact us for any assistance with your inverter.

OEM Services:
1. Logo
Please offer us your own high resolution logo in JPG format, there should be two colors at most in the logo and there should be no gradient effect in the logo.

2. Label
Please offer us your own model numbers.

3. Manual
Please offer us the finished manual file that can be printed directly.

FAQ

Q1: What's The Advantages Of Your Products?
A1: We are a factory, so we have a number of production lines and first-class equipment and machines whichmeans we have hundreds of specifications. And also the company has the right to import and export, first-class quality, excellent service and praise, by domestic and foreign customers.

Q2: What Can I Buy From Your Company?
A2: Variable Frequency Drive, Intelligent Soft Starter, Automatic Voltage Regulator.
 
Q3: Is OEM/ODM Available?
A3: Yes, it is! Our products can be customized. We design and produce all kinds of Automatic Voltage
Regulators/Stabilizers according to our customers' specific requirements. Please notify us and confirm the
design according to our samples first.
 
Q4: What Is The MOQ?
A4: For the small capacity products (Automatic Voltage Regulators/Stabilizers) of the default configuration, it is
10 sets. For the big capacity products, it is 1 set. Please let us know which capacity do you need first.
 
Q5: Can You Give Me A Sample Order First?
A5: Yes, we welcome the sample orders to test and check the quality. Mixing samples is also acceptable.
 
Q6: How Can You Guarantee The Quality?
A6: Always a pre-production sample before mass production; and always final inspection before shipment.

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