New Original DELTA VFD007EL21W Compact Sensorless Vector Control VFD Inverter
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New Original DELTA VFD007EL21W Compact Sensorless Vector Control VFD Inverter
1. Product Overview
The DELTA VFD007EL21W belongs to the VFD-EL-W compact economical variable frequency drive series. It accepts single-phase 200~240 V AC input and outputs variable three-phase AC power for 0.75 kW (1 HP) induction motors. Supporting both V/F control and sensorless vector control, this drive delivers stable low-speed torque performance. Equipped with an integrated operation keypad, built-in potentiometer and RS-485 Modbus communication interface, it provides flexible speed regulation for light industrial automation equipment. Featuring compact structure, comprehensive protection functions and simple parameter setup, it is widely used for conveyors, packaging machinery, small fans, pumps and processing equipment. The supplied unit is brand-new original genuine DELTA product.
2. Main Technical Specifications
| Item | Parameter |
|---|---|
| Model | VFD007EL21W |
| Series | VFD-EL-W Compact Frequency Inverter |
| Rated Applicable Motor Power | 0.75 kW (1 HP) |
| Input Power | Single Phase AC 200~240 V, 50/60 Hz |
| Output Specification | Three Phase AC 0~240 V, Rated Output Current 4.2 A |
| Output Frequency Range | 0.1 ~ 400.00 Hz |
| Control Mode | V/F Control / Sensorless Vector Control |
| Carrier Frequency | 2 ~ 12 kHz adjustable |
| Overload Capacity | 150% rated current for 60 seconds |
| Acceleration / Deceleration Time | 0.1 ~ 600 seconds adjustable |
| Communication Interface | RS-485, Modbus protocol |
| Operation Unit | Built-in keypad with speed potentiometer |
| Digital Input | 4 programmable multi-function inputs, NPN/PNP switchable |
| Analog Input | 0~10 V / 4~20 mA frequency command |
| Protection Functions | Overvoltage, undervoltage, overcurrent, overload, overheat, stall prevention, short-circuit protection |
| Installation Method | Wall mounting or DIN rail mounting with optional adapter |
| Enclosure Rating | IP20 |
| Operating Ambient Temperature | -10 °C ~ +40 °C, non-condensing |
| Storage Temperature | -20 °C ~ +60 °C |
| Overall Dimensions (W × H × D) | 92 mm × 162 mm × 129 mm |
| Net Weight | Approx. 1.0 kg |
| Compliance Standards | CE, RoHS |
3. Main Functions
- Convert fixed single-phase alternating current into variable-frequency three-phase power to realize stepless speed regulation of AC induction motors.
- Dual control modes: sensorless vector control for high low-speed torque and V/F control for general load applications.
- Multiple frequency command sources: panel potentiometer, external analog signal, multi-speed terminal and Modbus communication command.
- Built-in RS-485 Modbus interface supports networking connection with PLC and HMI for centralized automatic control.
- Adjustable torque boost, skip frequency zones and independent acceleration/deceleration groups to optimize motor running stability.
- Complete multi-layer protection system prevents damage to inverter and motor under abnormal operating conditions.
- Support forward/reverse rotation control, fault memory and automatic restart after power recovery.
- Suitable for constant and variable speed control of small conveyors, fans, water pumps and automated processing machinery.
4. Technical Features
- Economical compact frame design saves cabinet installation space for small automation control panels.
- Advanced sensorless vector algorithm maintains stable torque output at low motor speed.
- Flexible I/O terminal configuration supports diversified external signal connection requirements.
- Intuitive built-in keypad simplifies parameter setting, status monitoring and on-site troubleshooting.
- Wide allowable input voltage fluctuation adapts to unstable power supply environment on production sites.
- Optimized PWM modulation reduces motor running noise and mechanical vibration.
- Rich fault diagnosis codes enable fast positioning and elimination of equipment failures.
- Standardized terminal layout facilitates regular wiring inspection and equipment replacement.
- Natural air cooling structure reduces maintenance frequency for long-term continuous operation.
- Lightweight structure improves convenience of transportation and on-site installation.
5. 10 DELTA Similar Compact Sensorless Vector Frequency Inverters
- VFD002EL21W, VFD-EL-W series 0.2 kW single-phase compact inverter, 230 V input
- VFD004EL21W, VFD-EL-W series 0.4 kW single-phase economical variable frequency drive
- VFD015EL21W, VFD-EL-W series 1.5 kW single-phase sensorless vector inverter
- VFD007EL43W, VFD-EL-W series 0.75 kW, three-phase 460 V input compact drive
- VFD007EL21A, VFD-EL standard version 0.75 kW single-phase inverter
- VFD022EL21W, VFD-EL-W series 2.2 kW single-phase high-power compact inverter
- VFD007L21A, VFD-L ultra-mini single-phase inverter for low-power small motor loads
- VFD015EL43W, VFD-EL-W series 1.5 kW three-phase 460 V frequency inverter
- MS300 VFD007MS21A, MS300 new generation compact single-phase sensorless vector drive
- VFD004CB21A, C200 compact series general-purpose single-phase variable frequency inverter
WHO WE ARE
About us
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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We are located next to Shanghai, the largest city in China, and Kunshan, the first economic county in China. With convenient transportation and developed logistics, it provides a good geographical advantage for our electronic components sales business.
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We are committed to providing many types and brands of electronic components, including but not limited to Sensors, Switches & Relays, Connectors, Circuit Protectio, Power Supplier & Cable, etc. We have established relationships with many well-known electronic component manufacturers. We have established long-term and stable relationships with many well-known electronic component manufacturers to ensure that the products we sell are of reliable quality and reasonable price.
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