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ABB CM-MPS.21S, 1SVR730885R3300: Three-Phase Monitoring Relay – Advanced Protection for Industrial Control Systems

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The ABB CM-MPS.21S 1SVR730885R3300 is a high-performance three-phase monitoring relay, specifically designed for industrial automation and control systems. It offers advanced protection against overcurrent, short circuit, and voltage imbalance, ensuring reliable operation in demanding environments.

Operating Voltage Range:AC 230V to 690V

Maximum Current Capacity:50A

Monitoring Resolution:0.01A

Relay Contact Rating:250V/1A, 24VDC

Protection Features:Overload, Short Circuit, Phase Loss

Communication Interface:Modbus RTU

Relay Output Configuration:2 NO + 2 NC

Temperature Range:-25°C to +55°C

Enclosure Type:IP20 (Indoor Use)

    The ABB CM-MPS.21S 1SVR730885R3300 relay offers high-speed detection and reliable operation under challenging environmental conditions, ensuring continuous protection against phase imbalance, loss of load, and other critical faults.

    Engineered for versatility, this relay is compatible with a wide range of industrial applications, from power distribution networks to complex manufacturing systems, enhancing safety and operational efficiency.

    Its robust design withstands harsh industrial environments, withstanding temperature fluctuations and ensuring durability over extended periods.

    Easy to integrate into existing systems, the CM-MPS.21S features intuitive wiring and straightforward programming options, enabling quick setup and configuration.

    Backed by ABB’s global support network, users can rely on comprehensive documentation, technical assistance, and a wide range of accessories to optimize installation and maintenance processes.

ABB CM-MPS.21S 1SVR730885R3300 Three-phase monitoring 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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