Advanced Low Voltage VFD for Optimized Pump Operations

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Advanced Low Voltage VFD for Optimized Pump Operations

Customization:	Available
Application:	Three Phase Transducer
Output Type:	Triple

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Product Description

Basic Information

Model NO.

E7-H-240

Principle of Work

V/F Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Supply

Low Voltage Variable-Frequency Drive

Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Simple Type

Input Voltage

Three Phase 380V-440V

Output Voltage

Three Phase 380V-440V

Input Frequency

50Hz/60Hz

Output Frequency

0-600Hz

HS Code

8504409990

Origin

China

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Product Details

Current Vector Control: Adjust motor parameters online according to the motor's operating status to achieve optimal control.

Large Speed Range: Output frequency 0 to 3000Hz.
Adaptive Acceleration and Deceleration: Intelligently adjust rates based on load operating status.
Excellent Performance: Outstanding current and voltage control technology ensures stable and jump-free operation with a command response of 0.1s.

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Technical Specifications

Function	Description	Specification Index
Basic Functions	Maximum Frequency	Vector: 0-300Hz; V/F: 0-3000Hz
	Carrier Frequency	1kHz - 16kHz (Auto-adjustable)
	Control Method	Open Loop Vector Control (SVC), V/F Control
	Starting Torque	0.5Hz/150% (SVC)
	Overload Capacity	G Type: 150% for 60s; 180% for 1s
Control Features	V/F Curve	Linear, Multi-point, Nth Power (1.25, 1.5, 1.75, 2)
	DC Braking	Time: 0.0s-30.0s; Current: 0.0%-150.0%
	PID / PLC	Built-in PID, 16-segment speed PLC operation
Protection	Functions	Phase loss, overcurrent, overvoltage, undervoltage, overheating, overload

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Key Features & Advantages

Impact-Free Speed TrackingIdentify motor speed and direction within 0.2s for smooth tracking of rotating motors.

Uninterrupted OperationContinues running during momentary power outages using feedback energy.

Intelligent Energy SavingAssess energy-saving strength based on conditions to minimize consumption.

Universal DC BrakingInitiate braking from any frequency without a deceleration process.

Standard CommunicationMODBUS protocol for easy integration with PLC and network systems.

Modular DesignFlexible control options with proved reliability in industrial environments.

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Certifications & Production

Professional manufacturer of soft starters and variable frequency drives since 1998, holding ISO and CE certifications. Production infrastructure includes ESD-protected clean rooms and modular assembly platforms to ensure product reliability through PCBA testing and intelligent aging tests.

Frequently Asked Questions

What is the output frequency range of this VFD?

The inverter supports a wide frequency range, from 0 to 300Hz in Vector Control mode and up to 3000Hz in V/F Control mode.

How does the device handle sudden power outages?

It features "Instant stop without stopping" technology, which uses energy fed back from the load to compensate for voltage drops, allowing it to continue running for a short time until power is restored.

What communication protocols are supported for system integration?

The device supports the internationally standard RS485 field bus with the Modbus-RTU protocol, making it compatible with most PLC and network control systems.

Does it support high-speed pulse inputs?

Yes, it includes 8 digital input terminals, one of which supports high-speed pulse input up to 100kHz.

What kind of protection features are built into the unit?

The VFD includes comprehensive protection for input/output phase loss, overcurrent, overvoltage, undervoltage, overheating, and overload.

Can I use this for high-starting torque applications?

Absolutely. With Open Loop Vector Control (SVC), the unit provides a starting torque of 150% at just 0.5Hz, ideal for heavy-load startups.

Product Detail

Advanced Low Voltage VFD for Optimized Pump Operations

Product Description

Basic Information

Product Details

Technical Specifications

Key Features & Advantages

Certifications & Production

Frequently Asked Questions

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