Delta VFD055E43A 5.5kW 7.5HP VFD Inverter Motor Control

Description

The Delta VFD055E43A is a flexible sensorless vector AC micro drive from Delta’s established VFD-E Series. Operating as an electronic motor speed controller, it regulates the supply frequency and voltage to deliver precise speed and constant torque performance to 3-phase induction motors.

Engineered with a modular architecture and an IP20 protective enclosure, the VFD055E43A features an integrated micro-PLC that enables engineers to write and run basic ladder logic programs directly on the drive. For manufacturing units, textile mills, and municipal facilities across Bangladesh, this 5.5kW (7.5HP) drive provides an ideal balance of energy efficiency, equipment protection, and reduced automation control panel costs.

Key Features

• Sensorless Vector Control: Maintains consistent torque output and smooth dynamic speed response under heavy industrial loads.
• Built-In Micro-PLC: Executes basic ladder logic automation routines internally without an additional controller.
• Modular Extension Support: Flexible slot options for fieldbus communication modules, digital/analog I/O expansions, and encoder feedback.
• Constant Torque Performance: Delivers full torque capability at low output speeds for heavy constant torque demands.
• Compact Industrial Design: Space-efficient layout allows easy mounting inside standard electrical enclosures.

Technical Advantages

• High Efficiency: Optimizes input voltage-to-frequency ratios to reduce thermal energy losses and lower operating power draw.
• Durable Construction: Heavy-duty heat sink design and industrial components ensure long-term stability under continuous duty cycles.
• Comprehensive Safety Protection: Embedded safeguards against overcurrent, overvoltage, undervoltage, drive overheating, ground fault, and phase loss.
• Energy Saving: Dynamic energy optimization cuts utility costs during partial load and variable speed operations.
• Easy Maintenance: Keypad diagnostic display provides real-time electrical metrics and alarm history for rapid servicing.

Applications

• Industrial: Heavy material handling, industrial conveyors, crushers, and batch mixers.
• Factory: Textile spinning frames, garment finishing machines, packaging equipment, and plastic blow moulding machinery in Bangladesh.
• Commercial: Commercial HVAC ventilation blowers, industrial exhaust fans, and central booster pump setups.
• Office: Central building ventilation, circulating water pumps, and air conditioning systems.
• Residential: Hydro-pneumatic water supply systems for multi-story residential complexes.
• Project Installation: Municipal water management plants, OEM machinery builds, and automated control panel projects.

Why Choose This Product?

• Unmatched Reliability: Built by Delta Electronics, a global benchmark in power electronics and factory automation.
• High Performance: Precise sensorless vector speed regulation prevents mechanical shock and operational stutter during machine startup.
• Cost Effectiveness: Integrated PLC capability reduces external panel wiring costs, while high efficiency delivers fast payback through energy savings.
• After-Sales Value: Backed by local technical guidance, standard warranty coverage, and reliable component supply through LOOP Shop in Bangladesh.

Technical Specification Table

Features List

✓ Sensorless vector control operation

✓ Built-in PLC ladder logic program execution

✓ Modular extension card compatibility

✓ Advanced multi-level electrical protection system

✓ IP20 rated industrial enclosure

✓ Easy panel mounting and low maintenance design

Benefits For Customers

• Reduces Electricity Cost: Minimizes continuous power consumption by matching motor RPM directly to machinery load demands.
• Improves Operational Reliability: Soft start and smooth acceleration curves protect gearboxes, belts, and motor shafts from mechanical strain.
• Saves Maintenance Cost: Cuts equipment wear and prevents electrical tripouts caused by sudden line surges.
• Suitable for Bangladesh Environment: Designed to operate reliably in warm, humid industrial atmospheres with fluctuating grid voltages.

Installation & Maintenance Guide

Installation Requirements:

• Install vertically inside a clean, dust-free electrical control panel rated IP20 or higher, shielded from direct sunlight and moisture.
• Ensure clear physical clearance above and below the drive frame to maintain adequate convective cooling airflow across heat sinks.
• Securely ground the unit according to standard industrial safety regulations before supplying 3-phase 380V–480V power.

Maintenance Tips:

• Periodically remove dust and lint build-up from internal cooling fan blades and external heat sinks using clean compressed air.
• Inspect electrical line terminal screws routinely to verify tight connections despite machine vibration.
• Monitor operating parameters and diagnostic fault logs through the digital keypad during routine maintenance cycles.

Safety Instructions:

• Always disconnect main power lines before performing any wiring, inspection, or terminal maintenance.
• Allow at least 5 to 10 minutes after turning off main power for internal high-voltage DC bus capacitors to discharge completely.
• Installation, wiring, and parameter commissioning must be performed by certified electrical automation personnel.

Frequently Asked Questions (FAQ)

Q: What is the price of Delta VFD055E43A in Bangladesh?

A: The price of the Delta VFD055E43A 5.5kW 7.5HP VFD in Bangladesh depends on current import rates and market availability. Please contact LOOP Shop at loopshop.com.bd for current pricing.

Q: Where can I buy Delta VFD055E43A in Bangladesh?

A: You can purchase genuine Delta VFD055E43A AC drives online from LOOP Shop (loopshop.com.bd), a trusted supplier of industrial automation products in Bangladesh.

Q: What warranty does this product have?

A: The Delta VFD055E43A comes with a standard 1-year manufacturer warranty against manufacturing defects when purchased from LOOP Shop.

Q: Is this suitable for Bangladesh climate?

A: Yes, it is rated for operating temperatures up to 40°C and engineered to endure the warm, humid conditions typical in local factories.

Q: How to install this product?

A: Mount vertically inside a ventilated control cabinet, connect to a 3-phase 380V–480V AC power source, and configure setup parameters with the assistance of a qualified technician.

Q: Does the Delta VFD055E43A have built-in PLC functions?

A: Yes, the VFD-E series features an integrated micro-PLC allowing users to write and execute standard ladder logic programs.

Q: What power output does the VFD055E43A deliver?

A: It provides 5.5kW (7.5HP) power output with a rated output current of 13.0 Amps on 3-phase 380V–480V AC supply lines.

Q: Can I attach option cards to this drive?

A: Yes, the modular design accepts extension cards for fieldbus protocols, encoder feedback, and additional digital/analog I/O.

Q: Is this drive suitable for constant torque motor applications?

A: Yes, the sensorless vector architecture of the VFD-E series is specifically designed for constant torque machinery loads.

Q: Who provides tech support for Delta VFDs bought from LOOP Shop?

A: LOOP Shop provides customer and technical guidance for parameter setup, wiring details, and basic troubleshooting across Bangladesh.