Electrical Control Motor Soft Starter 22kw 380V AC Low Voltag External Bypass Soft Starters

Product Description

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.

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:

^{•  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

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

 

 

 

Production Size

 

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.

Packing & Payment & Shipping

 

PACKING
Professional packing with multi-protection

Different good will have different packing guarantee the transportaion safety of products

 

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

 

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.

 

 

Certifications

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.