Mitsubishi Electric FR-E720-15K FR-E700 Series Variable Frequency Drive

SKU FR-E720-15K

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12-month warranty
Free returns within 30 days

Manufacturer: Mitsubishi Electric
Product No.: FR-E720-15K
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 8000g
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for highly precise speed and torque regulation in heavy-duty applications, the Mitsubishi Electric FR-E720-15K serves as a robust 15 kW variable frequency drive within the globally trusted FR-E700 Series. Operating on a three-phase 200V class power supply, this compact drive integrates advanced magnetic flux vector control to deliver exceptional torque output even at low operating frequencies, making it an excellent fit for demanding machinery and automated processes.

Features

Advanced Flux Vector Control: Delivers high starting torque (200% at 0.5 Hz) and optimal motor performance across the speed range.
Enhanced Overload Tolerances: Robust circuit protection allows temporary overhead limits of up to 200% for 3 seconds.
Comprehensive Safety Integration: Built-in safe torque off (STO) safety functions compliant with European machinery directives.
Forced Air Cooling System: Integrated low-noise cooling fans maintain optimal internal temperatures during high-duty operational cycles.
Flexible Communications: Standard built-in RS-485 serial communication port supports seamless PLC and network integration.

Applications

Material Handling Systems: Conveyors, sorting lines, and automated warehousing systems.
Fluid and Air Movement: Heavy-duty industrial blowers, exhaust fans, and centrifugal pump stations.
Packaging and Food Processing: High-precision dosing pumps, sealing machines, and packaging equipment.
Machine Tool Components: Drills, grinding spindles, and multi-axis positioning tables requiring consistent low-speed torque.

Technical Specifications

Parameter	Value
Manufacturer	Mitsubishi Electric
Model Number	FR-E720-15K
Product Series	FR-E700 Series
Applicable Motor Capacity	15 kW (20 HP)
Rated Capacity	23.9 kVA
Rated Output Current	60 A
Overload Current Rating	150% for 60 seconds, 200% for 3 seconds (inverse-time characteristics)
Rated Output Voltage	Three-phase 200V to 240V AC
Input Voltage / Frequency	Three-phase 200V to 240V AC, 50Hz / 60Hz
Permissible Voltage Fluctuation	170V to 264V AC, 50Hz / 60Hz
Power Supply Capacity	28 kVA
Regenerative Braking Torque	20% (minimum short-time rating)
Cooling System	Forced Air Cooling
Net Weight	6.5 kg (14.3 lbs)
Shipping Weight (Calculated)	8.0 kg (17.6 lbs)

Empirical Engineering Insights

Alternative Models & Compatibility

When replacing legacy FR-E520 systems with the FR-E720-15K, note that physical footprint dimensions and mounting hole locations may vary slightly. Drive parameters can be migrated seamlessly using FR Configurator software; however, any custom terminal assignments for logic sequencing must be manually validated on the new terminal block configuration.

Application Pitfalls & Engineering Notes

The FR-E720-15K requires careful thermal consideration when housed in sealed enclosures. Because it dissipates significant heat at its full 60A load capacity, standard ventilation configurations require at least 50mm of clear space above and below the chassis. When cycling high-inertia loads frequently, the internal 20% braking torque capacity can be exceeded; an external brake resistor is highly recommended to prevent overvoltage trips (E.OV3) during deceleration phases.

Commissioning & Wiring Tips

To mitigate high-frequency electromagnetic interference (EMI) typical of 15 kW carrier frequencies, ensure that shielded motor cables are stripped back and grounded using 360-degree metallic grounding clamps directly to the panel backplate. Separate all low-voltage analog control wiring (0-10V / 4-20mA) from primary power cables by at least 10 cm, running them in separate metallic conduits where possible.

Installation Guidelines

CRITICAL WARNING: SAFETY COMPLIANCE

Risk of severe electrical shock. Ensure all incoming AC supply lines are physically disconnected, locked out, and tagged out before accessing control terminals. Wait at least 10 minutes post-power-down for internal DC bus capacitors to fully discharge. Verify zero-voltage potential on the DC terminals before executing any installation or maintenance tasks.

1

Mechanical Mounting: Mount the inverter vertically on a flat, vibration-free surface using M5 screws. Ensure the cooling fan airflow is completely unobstructed.

2

Power Terminals: Connect input power lines to R/L1, S/L2, and T/L3. Connect motor cables to U, V, and W. Do not connect input power to output terminals, as this will destroy the power module.

3

Ground Connection: Ground the inverter unit directly using the dedicated protective earth (PE) terminal. Use a wire gauge suitable for a 15 kW system.

4

Logic Selection: Set the sink/source control logic jumper according to your controller card outputs before running control circuit wiring.

FAQ

What is the maximum rated current for the FR-E720-15K?

The continuous output current rating is 60 A when operated on a standard three-phase 200V to 240V AC supply input.

Does this model support single-phase input configuration?

No, the FR-E720 series inverters are strictly designed for three-phase AC inputs. Attempting to supply single-phase input to this 15 kW unit will lead to phase loss faults or bus under-voltage errors.

What are the dimensions and mounting orientation requirements?

The inverter must be mounted vertically inside an enclosure. Maintain at least 50mm clearance above and below the heat sink, and at least 5cm of lateral spacing for optimal heat dissipation from the forced air cooling system.

Can I connect an external braking resistor directly to this VFD?

Yes, an external braking resistor can be connected directly to the dedicated brake terminals to handle regenerative energy from heavy-inertia deceleration cycles.

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30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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TECHNICAL SPECIFICATIONS

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