ABB 120VAC Liquid Level Control LLC54AA

ABB 120VAC Liquid Level Control LLC54AA

The ABB LLC54AA is a dual-probe conductive liquid level controller designed for precise monitoring and control of liquid levels in various industrial applications. Operating at 120VAC, this device ensures reliable performance in demanding environments.

Key Features

• Dual-Probe Sensing: Utilizes two probes to detect high and low liquid levels, providing accurate control over fill and drain operations.
• Adjustable Sensitivity: Features an adjustable sensitivity range from 1kΩ to 100kΩ, allowing customization to suit different liquid conductivities and preventing false tripping caused by debris or foam.
• Electromechanical Relay Output: Equipped with a Single Pole Double Throw (SPDT) relay capable of handling up to 5A at 240VAC, facilitating integration with various control systems.
• Socketable Design: Designed for easy installation with an 8-pin octal plug-in configuration, simplifying maintenance and replacement processes.
• Isolated Pulsed DC Voltage: Applies isolated, pulsed DC voltage to the probes to prevent electrolytic plating, enhancing the longevity and reliability of the system.

Technical Specifications

• Supply Voltage: 120VAC
• Operating Temperature Range: -20°C to 60°C
• Contact Rating: 5A at 240VAC
• Mounting Type: Socketable
• Termination Style: Plug-in, 8-pin (Octal)

The ABB LLC54AA is an essential component for industries requiring dependable liquid level management, offering flexibility and precision to meet diverse operational needs.