ABB QINT-781 Inverter drive board

ABB QINT-781 Inverter drive board

ABB QINT-781 Specification

Manufacturer:ABB 
Model: QINT-781
Type: Inverter drive board
Input Voltage: 200–480 V AC
Output Voltage: 0–480 V AC
Output Power: Up to 10 kW
Efficiency: ≥95% under rated conditions
Control Type: Pulse Width Modulation (PWM)
Protection Features:
Overvoltage Protection (OVP)
Overcurrent Protection (OCP)
Operating Temperature: -20°C to +60°C
Storage Temperature: -40°C to +85°C
Humidity: 5% to 95% (non-condensing)
Length: 150 mm
Width: 100 mm
Height: 35 mm
Weight: 450 g

ABB QINT-781 Description

The ABB QINT-781 inverter drive board is a high-performance power conversion 

module designed for industrial motor control applications. It operates within a 

wide input voltage range of 200–480 V AC, delivering an output of up to 10 kW 

with high efficiency (≥95%) to ensure optimal energy utilization. Utilizing advanced 

Pulse Width Modulation (PWM) technology, it provides precise power regulation, 

reducing energy losses and enhancing system performance.

Equipped with multiple protection features, including overvoltage (OVP), 

overcurrent (OCP), thermal shutdown (TSD), and short circuit protection (SCP), 

the QINT-781 ensures safe and reliable operation under varying industrial conditions. 

Its rugged construction allows it to function effectively in harsh environments, with 

an operating temperature range from -20°C to +60°C and a humidity tolerance of up 

to 95% (non-condensing).

Designed for seamless integration with ABB drive systems, the compact and 

lightweight QINT-781 board (150 mm × 100 mm × 35 mm, weighing 450 g) is easy 

to install and maintain. Its compliance with CE, RoHS, and IEC 61800 standards 

ensures high quality, making it a reliable choice for industrial motor control, 

power regulation, and energy management applications.

24/7 Fast Service →【Sales Manager】:King

:plc@mvme.cn      :+86 18030170117      :+86 18030170117

Outgoing photo

Quick details：

Q: Which country or area can be shipped?
A: Worldwide.
Q: How do you ship goods?
A: By air.(DHL/TNT/UPS/FEDEX)
Q:  Where do you ship the goods?
A: Xiamen.
Q: How long is your delivery time?
A: Generally it is 2-3 days if the goods are in stock. 
If the goods are not in stock,Need to negotiae.

Application field：

1《DCS Control System of Power Plant》
2《Manufacture of Intelligent Flat Tempering Furnace System》
3《PLC programmable conveying control system》
4《DCS Distributed Control System》
5《Intelligent Fire Water Supply Control System》
6《Computer Control System for Chemical Liquid Constant Flow of Chemical Plant》
7《Electrical Control System》papermaking, printing and dyeing production line, 

substation integrated control system.

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