Delta VFD055E43A VFD-E 7.5 HP AC Drive

VFD055E43A Delta 460V 3-Phase Variable Frequency Drive

Product Introduction

The Delta VFD055E43A belongs to the reliable VFD-E series of AC micro drives. This model supports a 7.5 HP (5.5 kW) motor capacity and operates on a 460V three-phase input. It offers a robust current rating of 13 Amps and delivers a maximum output frequency of 600 Hz.

Engineered for low-horsepower applications, this drive employs sensorless vector control technology. This ensures high starting torque and precise speed regulation across a wide range. The unit also features an integrated fan cooling system and an IP20 enclosure for safe operation in controlled environments.

Additionally, the VFD055E43A includes a built-in PLC function. Users can write and execute simple Ladder Logic programs directly on the drive. This modular design allows for easy expansion with optional extension cards, making it a flexible solution for various automation tasks.

Technical Specifications

• Manufacturer : Delta Electronics

• Input Voltage Range : 380 to 480 VAC, 3-phase

• Nominal Input Voltage : 460 VAC

• Applicable Motor Output : 5.5 kW (7.5 HP)

• Rated Current (CT) : 13 Amps

• Maximum Frequency : 600 Hz

• Motor Control Mode : Sensorless Vector (Open Loop) and V/F control

• Braking Type : DC Injection and Dynamic Braking (transistor included)

• Cooling Method : Forced air (fan cooling)

• Enclosure Rating : IP20 (NEMA 1 equivalent)

• Frame Size : C

The drive supports both keypad and remote control options. Note that the keypad is sold separately. Furthermore, it includes an LED status indicator for real-time operational feedback. Its closed-loop capability is not supported, but the open-loop vector control remains highly effective for most industrial loads.

Mechanical and Environmental Parameters

• Dimensions (H x W x D) : 10.24 x 4.57 x 6.66 inches (260 x 116 x 169 mm)

• Net Weight : 4.2 kg

• Gross Weight : 4.6 kg (packaged)

• Operating Temperature : -10°C to 50°C (derating required above 40°C)

• Storage Temperature : -20°C to 60°C

• Humidity : Below 90% RH (non-condensing)

• Altitude : Up to 1000 meters without derating

This compact frame allows for space-saving panel installation. Its lightweight design, at only 4.2 kg, simplifies handling and mounting procedures.
The Delta VFD055E43A is built to withstand typical industrial environments. However, it must be installed indoors and away from direct moisture or corrosive agents.

Installation and Mounting Guide

Proper installation is crucial for the performance and longevity of the VFD055E43A drive. Follow these steps carefully:

1. Mounting Orientation : Install the drive vertically on a flat, non-flammable surface. Ensure adequate spacing for airflow.

2. Clearance Requirements : Maintain at least 50 mm of clearance on both the top and bottom sides. Also, leave 30 mm on the left and right for proper ventilation.

3. Ambient Conditions : Avoid installing in areas with high ambient temperatures, direct sunlight, or excessive vibration.

4. Cable Connection : Use shielded cables for the motor output and control wiring. Keep the input power and motor cables separated to reduce electrical noise.

5. Grounding : Always ground the drive properly using the dedicated ground terminal to ensure safety and compliance.

For optimal performance, use the recommended wire gauges. The main circuit terminals are clearly labeled, making the connection process straightforward.
Remember to remove the jumper between the control terminals if an external emergency stop is required.

Packaging and Shipping Information

Your package for the Delta VFD055E43A includes:

• 1 x Delta VFD055E43A AC drive unit

• 1 x Quick start guide (printed)

• 1 x Mounting screws set

• 1 x Dust cover (pre-installed)

All units are carefully packed in a sturdy carton with anti-static protection.
Shipping Method : We ship globally using FedEx, UPS, or DHL for reliable and trackable delivery.

Frequently Asked Questions (FAQ)

Q1: What is the input voltage requirement for the VFD055E43A?
A1: The VFD055E43A requires a 460V three-phase input. It can accept a range of 380 to 480 VAC.

Q2: Does this drive include a built-in keypad?
A2: No, the keypad is sold separately. The unit does include an LED status indicator for basic monitoring.

Q3: Can I use this drive for a 10 HP motor?
A3: No, the rated capacity is 7.5 HP (5.5 kW) . Oversizing the motor may cause overcurrent faults.

Q4: What type of motor control does this model support?
A4: It supports both Sensorless Vector Control and standard V/F control. This provides high torque at low speeds.

Q5: Is the dynamic braking transistor built-in?
A5: Yes, the dynamic braking transistor is included. You only need to add an external braking resistor for full braking capability.