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ABB SPAU121C-AA Overvoltage & Undervoltage Relay, Control & Protection Solutions

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The ABB SPAU121C-AA is a high-performance overvoltage and undervoltage relay designed for industrial control systems, ensuring reliable and precise voltage monitoring to prevent equipment damage and maintain operational efficiency.

Operating Voltage Range:100V to 480V

Current Rating:Up to 5A

Protection Levels:Overvoltage and Undervoltage

Operating Modes:Manual and Automatic

Relay Type:Single-pole

Contact Ratings:3NO/NC, 1NO/1NC

Protection Against:Transient overvoltages and undervoltages

Operating Temperature Range:-25°C to +70°C

Enclosure Type:IP20

Mounting:Panel mount

    The ABB SPAU121C-AA is a state-of-the-art overvoltage and undervoltage relay that guarantees robust performance in challenging industrial environments. Its high-speed detection capability ensures immediate response to voltage anomalies, preventing damage to sensitive equipment and maintaining operational efficiency.

    Precision-engineered for reliability, this relay boasts an ultra-fast response time of less than 10 milliseconds, making it ideal for applications requiring swift action against voltage disturbances. Its wide operating temperature range (-20°C to +55°C) ensures stable operation under various environmental conditions.

    Designed for ease of integration, the SPAU121C-AA offers a compact size of 85mm x 22.5mm x 140mm, fitting seamlessly into existing systems without compromising on functionality. With a maximum power consumption of just 1.5VA, it conserves energy while delivering superior performance.

    Featuring a durable design capable of handling over 1 million cycles, the relay ensures long-lasting reliability, reducing maintenance costs and downtime. Its 1NO + 1NC relay output provides versatile control options, enhancing system flexibility.

    Engineered for precision control and unmatched reliability, the ABB SPAU121C-AA Overvoltage and Undervoltage Relay is an indispensable component for maintaining system integrity and operational continuity in industrial settings.

ABB SPAU121C-AA Overvoltage and undervoltage relay




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      Guangzhou Qiming Automation Technology Co., Ltd. Main categories: tension control, controller, register, converter, communication module, expansion module, power supply unit, power module, control module, serial button, control motherboard, electronic module, system module, logic module, input unit, parameter module, output module, protection module, excitation system card, signal conditioner, processor module, Ethernet module, processor unit, circuit board module, signal acquisition module, DCS system module, BENTLY, human-machine interface touch screen, etc. ...
    Q: Does your company provide samples? Is it free or extra charge?

      A: It depends on the goods you need and the quantity you order.

      Q: What are your payment terms?

      A: 100% T/T before shipment. If the quantity is large, we can negotiate.

      ⇒ Company Services:

      1. Fast delivery (1-7 days for stock products)

      2. Rich experience (more than 10 years of sales experience)

      3. Large inventory (various brands and overseas warehouses)

      4. Quality insurance (1 year warranty for clear product condition)

      ⇒ Shipping

      1. For stock items, we will ship to you within 7 days after receiving payment

      2. We can ship to all parts of the world by DHL, UPS, FEDEX, TNT and EMS.

      3. If you have a shipping agent, please tell us before shipment.

      4. We will pack the parts in a sturdy box, if you have any special needs, please inform us.

      5. We usually ship before 4:30 pm, and we will send you the tracking number after shipping. It takes 7~15 days to receive the package.

      6. Please email us when you receive the package.

      7. When asking about shipping costs, please include all information, otherwise it will slow down the process.

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