Model Number:3HAC021955-001
Manufacturer:ABB
Type:Water Flow Switch
Module Category:DCS Module
Operating Temperature:-20°C to +60°C
Relative Humidity:0% to 95% non-condensing
Electrical Rating:24V DC
Signal Output:4-20mA,二线制
Process Compatibility:Up to DN100 pipes
Connection Type:Threaded
Material:Stainless Steel
Dimensions:20mm x 80mm
Weight:Approximately 150g
The ABB 3HAC021955-001 Water Flow Switch DCS Module is engineered for reliability and precision, making it an ideal choice for applications requiring accurate water flow measurement. With its advanced inertial sensor technology, this module ensures consistent and dependable operation in various industrial settings.
Designed for easy integration into existing Distributed Control Systems (DCS), this module offers seamless data exchange and real-time monitoring capabilities, enhancing overall system performance. Its adjustable switching points allow users to tailor the detection sensitivity to their specific process requirements.
Featuring a compact design and robust construction, the ABB 3HAC021955-001 is suitable for installation in challenging environments. It operates within a wide temperature range (-20°C to +60°C) and maintains high accuracy under varying humidity conditions (up to 95% non-condensing).
With its low power consumption (max 2.5 Watts), this module is energy-efficient, contributing to cost savings and environmental sustainability. The connection options include both 4-wire and 2-wire configurations, providing flexibility in installation and compatibility with diverse system architectures.
The ABB 3HAC021955-001 Water Flow Switch DCS Module comes equipped with a contact closure output, enabling direct interface with control systems and facilitating immediate action upon flow changes. Its comprehensive feature set and user-friendly design make it a preferred solution for industries demanding high-quality flow monitoring and control.











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