3D visualization
VYBO Electric
Simple controls
Integrated potentiometer
Compact frame and optimized size
Variable frequency drive 7,5kW 400V A550 Plus-4T0075
| Model | A550-4T0075 |
| Power | 7,5 kW |
| Nominal output current | 17,5 A |
| Input voltage 50/60Hz | 3 Phases 400V |
| Power cable cross section | 4 mm² |
| Brake unit | Yes |
| EMC filter | Yes (C2) |
277,00 £
In StockIf you have any questions, please do not hesitate to contact us:
100% safe payment
Large warehouse and production in one place 
- Description
- Text description
- Technical specification
- Design
- Dimensions
- A550-Performance chart
- Table of main functions
The STANDARD A550 Plus series of 7,5kW AC drives available from VYBO Electric are versatile and integrated economy class devices. They are characterized by user-friendly controls and a straightforward design. These converters have been carefully developed based on extensive experience and valuable user feedback to ensure they are perfect for our customers’ specific needs. The variable frequency drive A550 Plus are pre-programmed and ready for immediate use. Just connect them correctly to the power supply and you can control them directly from the panel or via an external source. Activating the converter is as easy as pressing the START button and adjusting the integrated control button, which automatically accelerates or decelerates the electric motor.
Variable frequency drive 7,5kW 400V A550 in stock
Variable frequency drive 7,5kW 400 V A550 in stock. With an output frequency range of 0 to 999 Hz, the A550 inverters also feature a motor torque boost function of up to 30%. They are suitable for controlling both asynchronous and synchronous motors. In addition, the A550 converters are equipped with a physical RS 485 MODBUS interface as standard, allowing easy communication via the MODBUS RTU protocol. The inverters are equipped with safety functions such as the EMS immediate stop function and offer the option of connecting PTC protection or a thermal contact for motor safety. In addition, they have an integrated connector for convenient external placement of the control panel via a cable. With integrated PID, PLC, AVR, 2 timers and other functions, these variable frequency drives offer comprehensive control options.
The possible uses of the 7,5kW A550 400V variable frequency drive are diverse and range from private use to various industrial areas. Some examples of areas where these converters are commonly used include pumps, air conditioning, textile production, grocery stores, electrical transmissions, and ceramic manufacturing.
Sale of variable frequency drives 7,5kW A550 400V
If you have decided to integrate a 7,5kW variable frequency drive into your operation, we strongly recommend that you familiarize yourself with the range of variable frequency drives on our website, where you will find the most advantageous options. Choosing a quality purchase brings numerous advantages when ordering our products. Firstly, you can expect excellent value for money, ensuring long-lasting and reliable performance from our variable frequency drives. Our online e-shop is also known for its short delivery times, so you can install and use your new device immediately. In addition, VYBO Electric contributes to the transport costs, so that when you buy from us you receive a discounted price for the delivery of your goods. We look forward to receiving your orders and will serve you to the best of our ability.
VYBO Electric 7,5kW 400V A550 Variable frequency drive – fast delivery in United Kingdom
As well as offering a wide range of high quality variable speed drives, VYBO Electric is proud to offer comprehensive sales and delivery services to its customers in the United Kingdom. We understand the importance of convenience and efficiency when purchasing and maintaining industrial equipment. When you choose to purchase from VYBO Electric, you can trust our team to guide you through the entire purchasing process. Our website serves as a reliable platform for you to explore our extensive range of variable frequency drives. With detailed product descriptions and specifications, you can make an informed decision based on your specific needs.
Once you have selected the ideal variable frequency drive for your application, ordering is quick and easy. Our user-friendly online ordering system allows for a smooth transaction and ensures your purchase is processed in a timely manner. We accept various payment methods, offering flexibility and convenience.
High quality variable frequency drive A550 400V from VYBO Electric in stock
At VYBO Electric, we value the long-term success of our customers. Therefore, we are committed to delivering reliable, high-performance variable frequency drives that meet your specific requirements. We continually strive to improve our products and services, keeping pace with industry advancements and customer feedback. Whether you need a variable frequency drive for a simple residential application or a complex industrial facility, we have the expertise and resources to meet your needs. Our commitment to quality, customer satisfaction and timely delivery distinguishes us as a trustworthy supplier in the market.
Order your new 7,5kW variable frequency drive from VYBO Electric today
Experience the benefits of partnering with VYBO Electric for all your AC drive needs. Browse our website, place your order and leave the rest to us. We look forward to serving you and exceeding your expectations with our world-class products and exceptional service. Contact us today to start your search for the perfect variable frequency drive for your United Kingdom operation.
Detailed specification
| Model type A550 Plus | Rated power output (kW) | Rated output current (A) | Nominal input current (A) | Recommended motor power (kW) |
| A550 Plus-4T0075 | 7,5 | 19 | 17,5 | 7,5 |
| Input voltage (V) 50/60Hz | Motor power (kW) | Recommended cable cross section (mm²) | Recommended circuit breaker (A) | |
| 3 Phases 3×400 V | 7,5 | 4 | 32 | |
Table of suitable braking resistors
| Type of frequency converter | Brake resistor | Brake unit | Recommended motor power (kW) | |
| Resistance power (kW) | Resistance value (Ω) (≥) | |||
| A550 Plus-4T0075 | 0,50 | 65 | Integrated | 7,5 |
General technical parameters for all types A550 Plus
| Nominal voltage, frequency | 1PH input / 3PH output AC 230 V 50/60Hz…type: 2S… |
| 1PH input / 1PH output AC 230 V 50/60Hz,..type: S2S…S | |
| 3PH input / 3PH output AC 400 V 50/60Hz ..type: 4T | |
| Input voltage range | 230V: 170V – 240V; 400V:330V – 440V |
| Output voltage range | 230V: 0 – 230 V; 400V:0 – 400V |
| Management method | 3-phase sinusoidal pulse width PWM modulation |
| Indication | Operating status / alarm definition / interactive setpoint frequency, actual output frequency, output current, output speed, DC bus voltage, output voltage, etc. |
| Output frequency range | 0.10 – 999.9 Hz |
| Set frequency resolution | Numerical input: 0.01 Hz, Analog input: 0.1% max. output frequency |
| Overload | P-Type: 120% for 60 seconds |
| Frequency setting | Analog: 0 to 10 V, 4 to 20 mA selectable; Numerical: Input via the control wheel on the control panel or RS485 or the UP/DOWN button. The ability to set frequency inputs X+Y;X-Y; Switching between |
| Torque gain control | Automatic control: Automatic torque increase when the drive is loaded. Manual Control: Allows you to set a torque increase from 0.0 to 30.0% as needed. | Multifunctional input terminal block | 4 multi-function input terminals, realizing functions such as speed control for fifteen sections, program flow, four-stage acceleration/deceleration speed switch, UP/DOWN function and emergency stop and other functions |
| Multifunctional output terminal block | 1 multi-function output terminal block to display operation, standstill, counter, external abnormality, program operations and other information and warnings. |
| Setting the acceleration/deceleration time | 0~999.9 s The acceleration/deceleration time can be set individually. |
| PID controller | Built-in PID controller |
| Additional features | JOG (tap); oscillation frequency (jump); PLC functions |
| Constant pressure control | SLP sleep mode, hP high pressure detection; LP low pressure detection; forced circulation of antifreeze fluid; flow regulation; detects running “dry” LL; PID control for constant pressure |
| Type of communication interface | MODBUS |
| RS 485 | Standard communication function RS485 (MODBUS RTU) |
| V/F control | Adjust the V/F curve to meet the load requirements. |
| Fixed speed | Four multi-function input terminal blocks, you can set 4 fixed speed sections |
| Safety function EMS STOP | The “Emergency stop” system stops the inverter in emergency situations immediately after activating EMS STOP. |
| Auto. Voltage regulation | Automatic voltage regulation selectable |
| Switch | Built-in 2 counter groups |
| Output frequency accuracy | 0.01Hz |
| Overvoltage | Surge protection adjustable |
| Undervoltage | Undervoltage protection adjustable |
| Other protection measures | Output short circuit, overcurrent, parameter blocking, etc. |
| EMC compatibility | IEC 61000-4-6; IEC 61000-4-4;IEC 61000-4-11; IEC 61000-4-5 |
| Standards | EN/IEC 61800-3: 2017; C2, which is suitable for the 1st environment EN 61800-3:2004+A1:2012; EN 618-5-1:2007+A1:2017 |
| Ambient temperature | -10°C to 40°C (without icing) |
| Ambient Humidity | Max. 95% (without condensation) IEC 60068-2-3 |
| Height above sea level | Below 1000 m asl |
| Vibrations | Max. 0.5g ; IEC 60068-2-6 |
| Cooling mode | Forced air cooling |
| Coverage level | IP20; corresponds to EN/IEC 61800-5-1 |
| Mounting type | On the wall or on a 35mm DIN rail |
Performance parameters of the A550 series inverters
| 1PH / 3PH AC 230V ±15% | ||||
| Inverter model type A550 | Rated power. Power (kW) | Maximum input current (A) | Rated output current (A) | Recommended motor power (kW) |
| A550 Plus -2S0004 a S2….S* | 0.4 | 5.4 | 2.4 | 0.4 |
| A550 Plus -2S0007 a S2….S* | 0.75 | 7.2 | 4.5 | 0.75 |
| A550 Plus -2S0015 a S2….S* | 1.5 | 10 | 7 | 1.5 |
| A550 Plus -2S0022 a S2….S* | 2,2 | 16 | 10 | 2,2 |
| A550 Plus -2S0030 a S2….S* | 3 | 23 | 16 | 3 |
| 3PH / 3PH AC 400V ±15% | ||||
| A550 Plus -4T0007 | 0.75 | 3.8 | 2.5 | 0.75 |
| A550 Plus -4T0015 | 1.5 | 5 | 3.7 | 1.5 |
| A550 Plus -4T0022 | 2,2 | 5.8 | 5 | 2,2 |
| A550 Plus -4T0040 | 4 | 10 | 9 | 4 |
| A550 Plus -4T0055 | 5.5 | 15 | 13 | 5.5 |
| A550 Plus -4T0075 | 7.5 | 19 | 17.5 | 7.5 |
| A550 Plus -4T0110 | 11 | 26 | 25 | 11 |
| A550 Plus -4T0150 | 15 | 35 | 32 | 15 |
| A550 Plus -4T0220 | 22 | 46 | 45 | 22 |
| A550 Plus -4T0300 | 30 | 62 | 60 | 30 |
| A550 Plus -4T0370 | 37 | 76 | 75 | 37 |
| Input voltage (V) 50/60Hz | Motor power (kW) | Recommended cable cross section (mm²) | Recommended breaker (A) | Recommended input contactor (A) | |
| A550 Plus -2S0004 a S2….S* | 1 phase 1×230 V | 0.4 | 2.5 | 10 | 10 |
| A550 Plus -2S0007 a S2….S* | 0.75 | 2.5 | 16 | 10 | |
| A550 Plus -2S0015 a S2….S* | 1.5 | 4 | 16 | 16 | |
| A550 Plus -2S0022 a S2….S* | 2,2 | 4 | 25 | 25 | |
| A550 Plus -2S0030 a S2….S* | 3 | 6 | 32 | 32 | |
| A550-4T0004 | 3 phases 3×400 V | 0.4 | 2.5 | 6 | 6 |
| A550 Plus -4T0007 | 0.75 | 2.5 | 6 | 6 | |
| A550 Plus -4T0015 | 1.5 | 2.5 | 10 | 10 | |
| A550 Plus -4T0022 | 2,2 | 2.5 | 10 | 10 | |
| A550 Plus -4T0040 | 4 | 4 | 16 | 16 | |
| A550 Plus -4T0055 | 5.5 | 4 | 20 | 16 | |
| A550 Plus -4T0075 | 7.5 | 4 | 32 | 25 | |
| A550 Plus -4T0110 | 11 | 6 | 32 | 25 | |
| A550 Plus -4T0150 | 15 | 6 | 40 | 32 | |
| A550 Plus -4T0185 | 18.5 | 10 | 50 | 40 | |
| A550 Plus -4T0220 | 22 | 10 | 63 | 50 | |
| A550 Plus -4T0300 | 30 | 16 | 100 | 65 | |
| A550 Plus -4T0370 | 37 | 25 | 100 | 80 | |
| A550 Plus -4T0450 | 45 | 35 | 125 | 95 | |
| A550 Plus -4T0550 – 4T1600 | – | – | – | – |
Table of suitable braking resistors A550
| Frequency converter type | Brake resistor | Brake unit | Recommended motor power (kW) | |
| Resistance power (kW) | Resistance value (Ω) (≥) | A550 PLus-2S0004 | – | – | – | 0.4 |
| A550 PLus-2S0007 | – | – | – | 0.75 |
| A550 PLus-2S0015 | – | – | – | 1.5 |
| A550 PLus-2S0022 | – | – | – | 2,2 |
| A550 Plus-2S0030 | 0.25 | 65 | Integrated | 3 |
| A550 PLus-4T0004 | – | – | – | 0.4 |
| A550 PLus-4T0007 | – | – | – | 0.75 |
| A550 PLus-4T0015 | – | – | – | 1.5 |
| A550 PLus-4T0022 | – | – | – | 2,2 |
| A550 Plus-4T0040 | 0.3 | 130 | Integrated | 4 |
| A550 Plus-4T0055 | 0.4 | 90 | Integrated | 5.5 |
| A550 Plus-4T0075 | 0.5 | 65 | Integrated | 7.5 |
| A550 Plus-4T0110 | 0.8 | 43 | Integrated | 11 |
| A550 Plus-4T0150 | 1 | 32 | Integrated | 15 |
| A550 Plus-4T0185 | 1,3 | 25 | Integrated | 18.5 |
| A550 Plus-4T0220 | 1.5 | 22 | Integrated | 22 |
| A550 Plus-4T0300 | 2.5 | 16 | Integrated | 30 |
| A550 Plus-4T0370 | 3.7 | 12.6 | Integrated | 37 |
| A550 Plus-4T0450 | 4.5 | 9.4 | Integrated | 45 |
| A550 Plus-4T0550 | – | – | – | 55 |
| A550 Plus -4T0750 | – | – | – | 75 |
| A550 Plus-4T0900 | – | – | – | 90 |
| A550 Plus-4T1100 | – | – | – | 110 |
| Rated power at normal load (normal operation) | 7,5 kW |
| Nominal output current | 17,5 A |
| Supply voltage | 3 x 400 V |
| Output voltage | 0 – 400 V |
| Output frequency | 0 – 999 Hz |
| Overload capability in ND mode – Normal Duty | 120% / 60s |
| Overload in HD mode – Heavy Duty | X |
| Control mode V/F scalar control | ✓ |
| SFVC vector open loop control mode | X |
| CLVC vector control mode | X |
| Analog inputs | 1 |
| Digital inputs | 4 |
| Analog outputs | X |
| Relay outputs | 1 |
| Open Collector Outputs | X |
| Integrated brake transistor | ✓ |
| EMC filter | ✓ |
| +10V output | ✓ |
| +24 V output | X |
| Input for PTC | ✓ |
| Safe Torque Off (STO) | X |
| Emergency stop (EMS) | ✓ |
| Integrated Ethernet | X |
| Integrated MODBUS RTU | ✓ |
| PROFIBUS | X |
| PG card for encoder | X |
| PID | ✓ |
| Intelligent PLC function | ✓ |
| External panel connection (typically up to 30 m) | ✓ |
| Protection class IP 20 | ✓ |
| Protection class IP 65 | X |
| Change direction of rotation via external input | ✓ |
| Change direction of rotation in the control panel | X |
