China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass 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
Still deciding? Get samples of $ !
Request Sample
Manufacturer/Factory & Trading Company
Diamond Member Since 2025

Suppliers with verified business licenses

Audited Supplier

Audited by an independent third-party inspection agency

to see all verified strength labels (18)
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
  • China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
Find Similar Products
  • Overview
  • Product Description
  • Detailed Photos
  • Production Size
  • Packing & Payment & Shipping
  • Company Profile
  • Certifications
  • After Sales Service
  • FAQ
Overview

Basic Info.

Model NO.
PQZR8-SP400-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~1200A
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
350kw/400kw
Rated Current
700A/800A
Installation Dimen
26.5*51cm
Hole Intermediate Distance
9*11cm
Mounting Hole Diameter
M8
Soft Starter Size
58.1*33*24.2cm
Transport Package
Cartoon/Wooden Case
Specification
PQZR8-SP400-T4
Trademark
PQUAN
Origin
Wenzhou China
HS Code
8536300000
Production Capacity
1000PCS/Week

Product Description


China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

Product Description

 
The PQZR8-P intelligent External bypass soft starter is a new intelligent starting device with international advanced level, which is based on microprocessing as the core, combined with technologies such as controllable silicon power drive, software and hardware protection, menu LED display, keyboard operation, torque control, and fuzzy PID closed-loop algorithm. It integrates motor soft start, soft stop, light load energy-saving, and multiple functions. This device has complete functions, stable performance, and is widely used in the start-up process of transmission equipment, fans, slurry machines, compressors, and other loads. Designed for three-phase AC squirrel-cage induction motors operating at 320V to 460V, 50/60Hz, with a rated current of 1200A or less.
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

Technical Specification:
Item Item Description
Input Voltage 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.
Protective Function 1)Open loop protection for external instantaneous stop terminals; 
2) Over-heat protection for soft starter;
3) Protection for too long starting time;
4) Input open phase protection;
5) Output open phase protection;
6) Unbalanced three-phase protection;
7) starting over current protection;
8) Running overload protection;
9) Under voltage protection for power voltage;
10) Over voltage protection for power voltage;
11) Protection for fault parameter setting;
12) Load short circuit protection;
13) Auto restart or incorrect wiring protection;
14) Incorrect wiring protection of external control stop terminals.
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.
Main Circuit Operating Voltage: AC380V(±15%)
Main Circuit Operating Current: 22A~1200A
Main Circuit Frequency: 50~60Hz (±2%)
Soft Starting Rise Time: 2~60s
Soft Stop Time: 2~60s
Current Limiting Multiple: 1.5~5.0 Ie (where Ie refers to rated current)
Initial Voltage: 30%~70% Ue (where Ue refers to rated voltage)
Cooling Method: Natural Cooling / Convection Cooling
Communication Method: RS485 Serial Communication
Starts per hour: ≤10 times/hour
  • Minimizes mechanical stress on the motor during startup and stopping.
  • Protects the motor from damage caused by inrush currents and voltage spikes.
  • Optimizes motor operation for energy savings.
  • Ensures consistent and reliable performance. Simple to install and maintain.

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:
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass 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

China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
Advanced Motor Protection:
Eliminates the need for thermal relays by providing comprehensive motor protection during startup and operation.

Simple circuit convenient installation and maintenance
Three in---Three out: R/S/T---INPUT
U/V/W---OUTPUT
 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter


 

Production Size

China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

 
Rated Power 11/15/18.5/22/30/37KW
 
Rated Power 45/55/75KW
 
Rated Power 90/115/132/160KW
Rated Current 22/30/37/44/60/75A
 
Rated Current 90/110/150A
 
Rated Current 180/230/264/320A
Installation Dimension 13.3*24.9CM
 
Installation Dimension 13.4*24.6CM
 
Installation Dimension 19.7*37.9CM
Hole intermediate distance 9*11CM
 
Hole intermediate distance 9*11CM
 
Hole intermediate distance 9*11CM
Mounting hole diameter M8
 
Mounting hole diameter M8
 
Mounting hole diameter M8
Soft Starter Size 14.5*15.7*27CM
 
Soft Starter Size 14.8*16*27.5CM
 
Soft Starter Size 26.1*19.4*40.2CM
Rated Power 185/200/220/250/280/320KW
 
Rated Power 350/400KW
 
Rated Power 450/500/630KW
Rated Current 370/400/440/500/560/640A
 
Rated Current 700/800A
 
Rated Current 900/1000/1200A
Installation Dimension 26.2*47.4CM
 
Installation Dimension 26.5*51CM
 
Installation Dimension 26.5*51CM
Hole intermediate distance 9*11CM
 
Hole intermediate distance 9*11CM
 
Hole intermediate distance 9*11CM
Mounting hole diameter M8
 
Mounting hole diameter M8
 
Mounting hole diameter M8
Soft Starter Size 29*24.2*55.6CM
 
Soft Starter Size 33*24.3*58.1CM
 
Soft Starter Size 41*24.2*67CM
 

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.
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

Packing & Payment & Shipping

 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
PACKING
Professional packing with multi-protection

Different good will have different packing guarantee the transportaion safety of products
 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass 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

 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass 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.
 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
 
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter
China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass Soft Starter

Certifications

China Trade Manufacturer AC 400kw 800A IP20 3 Phase with 380V External Bypass 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.

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now
Contact Supplier