ATS021_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Specification Typical Value / Description Product Name Automatic Transfer Switch Controller Model ATS021 Product Type Automatic Transfer Switch (ATS) / Transfer controller Function Monitors two power sources and controls switching between them Voltage Monitoring Monitors normal and emergency line voltages Switching Logic Automatic change‑over with configurable delays; manual control available Control Outputs Commands for opening/closing circuit breakers on both sources Operating Modes Automatic and Manual (selectable via front panel) User Interface Rotary switches, keypad/buttons with LED indicators Adjustable Parameters Delay times, voltage thresholds, test mode, manual override Mounting Panel or enclosure mount Dimensions (Approx.) Width ~160 mm × Height ~110 mm × Depth ~240 mm (compact) Weight ~1.2–1.3 kg Application Automatic transfer between mains and backup/generator power systems Protection & Monitoring Detects anomalies such as over/under voltage, missing line, imbalance

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DESCRIBE

The ABB ATS021 is a compact automatic transfer switch (ATS) controller used in electrical power systems to manage and automate transfer between two power sources — typically a primary (normal) line and a secondary (emergency or generator) line. It continuously monitors the voltages of both power lines and, based on adjustable thresholds and delays, controls the opening and closing of associated circuit breakers to transfer loads when an anomaly (e.g., mains failure) is detected and to restore the original source when it returns. The unit supports both automatic operation and manual override and is suitable for a wide range of industrial and commercial installations requiring reliable automatic transfer performance.

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