The ABB 81AA03aA-E is a control board typically used in industrial process control systems, part of ABB's broader portfolio of protective relay systems, controls, and process control equipment. 

This 81AA03aA-Emodel is often integrated into systems that require precise control, monitoring, and protection for electrical systems, machinery, or other critical industrial components.

Model: 81AA03aA-E

Type: Control Board

Manufacturer: ABB

The 81AA03aA-E is typically part of ABB’s range of control systems, which may include microcontroller-based systems, electrical protection devices, or controllers used in complex industrial environments.

The 81AA03aA-E provides essential control functions that enable integration into complex systems like motor control, feeder protection, energy distribution, and other process control systems.

It 81AA03aA-E processes analog and digital signals from various field devices (such as sensors, actuators, and relays), converting them into actionable data for system operators or further control processes.

The 81AA03aA-E is engineered for real-time control applications, ensuring fast response times in critical industrial systems.

Power Supply:24 V DC

Power Consumption:3W and 10W

Dimensions: 150 mm x 100 mm x 25 mm

Weight: 0.5 kg to 1 kg, 

Operating Temperature:-20°C to +60°C.

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