In today’s rapidly evolving energy landscape, the need for reliable and responsive electrical protection systems has become more critical than ever. Power systems must remain safe, stable, and efficient even under fault conditions, voltage fluctuations, or equipment failure. Among the many protective devices available, the ABB VHXM22B Static Protection Relay stands out as a trusted solution that delivers precise undervoltage detection with exceptional reliability and flexibility.

This article dives deep into the ABB VHXM22B Static Protection Relay—exploring its features, applications, working principles, and advantages. By understanding how this relay enhances electrical protection, engineers and facility managers can make informed decisions for integrating robust protection into their power systems.

Introducing the ABB VHXM22B Static Protection Relay

The ABB VHXM22B is an under-voltage static protection relay that integrates advanced functionality with the rugged reliability ABB is known for. This relay has been purpose-built to protect electrical systems by detecting when voltage falls below a pre-set threshold and acting before damage or instability occurs.

Key Technical Specifications

The ABB VHXM22B Static Protection is a high-performance static protection relay designed to deliver dependable, fast, and accurate protection in power system applications. Built to withstand harsh environments and provide years of reliable operation, this relay is a part of ABB’s well-established VHXM series, which has earned a reputation for robust protection solutions across various industrial and utility sectors. The VHXM22B typically serves roles such as earth fault or phase fault protection, and thanks to its static electronic design, it offers higher reliability and faster response compared to electromechanical counterparts. With its compact form factor, wide operating voltage range, and customizable settings, the VHXM22B ensures ease of installation and integration into both new and retrofit protection systems. It is especially valuable in applications where precise fault detection and minimal maintenance are critical.

Key Features of ABB VHXM22B Static Protection:

• Static design ensures quick and accurate fault detection.
• Highly reliable performance in demanding conditions.
• Designed for protection such as earth faults or phase faults.
• Compact construction for efficient panel integration.
• Minimal mechanical wear, reducing maintenance costs.
• Easily configurable settings for varied protection needs.

Where Does the VHXM22B Excel? Applications in Focus

Now that we’ve explored its core specs, let’s delve into real-world applications where the ABB VHXM22B Protection Relay shines.

• Power Distribution Networks: In electrical distribution systems, undervoltage conditions can cause severe equipment stress, loss of power quality, and inefficient operation. The VHXM22B ensures early detection and protection by isolating affected sections or tripping relevant circuit breakers.
• Generator Protection: Generators are sensitive to voltage irregularities. If voltage dips persist, it can lead to rotor overheating, reduced lifespan, or system shutdowns. The VHXM22B monitors these parameters vigilantly and trips circuits before faults escalate.
• Transformer Monitoring: Transformers are vital components in power systems. Undervoltage can cause magnetic saturation, core heating, or improper tap changer operation. By deploying the VHXM22B, operators can detect undervoltage early and initiate corrective measures.
• Motor Protection: Motors operating under undervoltage may draw excessive current, overheat, and lose torque, all of which contribute to long-term damage. The VHXM22B steps in to disconnect motors from supply circuits when the voltage falls below safe levels.
• Industrial and Commercial Setups: From factories to commercial buildings, any facility with sensitive machinery or automation systems benefits from voltage protection. The VHXM22B offers peace of mind by delivering consistent, calibrated performance in mission-critical environments.

Why Choose the ABB VHXM22B Static Protection Over Alternatives?

There are many undervoltage relays on the market, but the ABB VHXM22B Protection Relay has several advantages:

• Precision and Repeatability: Thanks to its static design, the VHXM22B delivers accurate voltage measurement and repeatable performance over time. This ensures consistent protection without frequent recalibration.
• Customization and Versatility: The flexible auxiliary voltage options, adjustable time delays, and contact configurations make it suitable for various applications and environments.
• Proven ABB Reliability: ABB is a global leader in electrification and automation. The VHXM22B is part of a proven protection relay family used in thousands of substations and industrial setups worldwide.
• Compatibility with Existing Systems: Whether retrofitting an old panel or integrating into a modern digital substation, the VHXM22B’s draw-out flush mounting and standard terminal configuration ensure seamless compatibility.
• Cost-Effective Protection: Compared to more complex protection relays, the VHXM22B delivers targeted functionality at a cost-effective price point—ideal for focused protection schemes.

Exploring the Complete VHXM Static Relay Range

ABB’s VHXM Static Relay Range is a comprehensive family of protection relays that deliver dependable performance across multiple protection applications, including overcurrent, earth fault, undervoltage, and frequency-based protections. These relays are designed using solid-state electronics, eliminating moving parts and ensuring a long service life with consistent accuracy. The range includes models such as VHXM21, VHXM22, VHXM23, VHXM24, and VHXM25—each tailored for specific functions while maintaining a unified approach to reliability and integration. Whether deployed in substations, power plants, or industrial switchgear, the VHXM series is well-suited for facilities looking to upgrade from older electromechanical relays to static solutions without a complete system overhaul. ABB’s VHXM relays also offer versatility in auxiliary voltage options, trip output formats, and DIN mounting, ensuring adaptability across a wide spectrum of installations.

Highlights of the VHXM Static Relay Range:

• Broad coverage: overcurrent, earth fault, voltage, frequency protection.
• Solid-state design improves reliability and response time.
• Includes models VHXM21 through VHXM25 for various applications.
• Ideal for both new installations and retrofit upgrades.
• Compatible with different auxiliary voltage supplies.
• Designed for easy mounting and commissioning.
• Long operational lifespan with minimal maintenance needs.C

Concluion

In conclusion, the ABB VHXM22B Static Protection and the broader VHXM Static Relay range exemplify ABB’s commitment to delivering reliable, accurate, and durable protection solutions for modern electrical systems. The VHXM22B, with its static design and robust performance, is especially well-suited for applications requiring dependable phase or earth-fault protection. Its fast-acting response, combined with a compact form factor and minimal maintenance requirements, makes it an excellent choice for utility and industrial settings alike. The relay’s ability to withstand harsh environments while maintaining precision ensures the long-term safety and stability of the electrical network.

Beyond the ABB VHXM22B Protection Relay, ABB’s complete VHXM series—including models like ABB VHXM22B Static Protection, VHXM23, VHXM24, and VHXM25—offers a wide variety of protective functions such as overcurrent, undervoltage, and frequency protection. These relays provide the perfect upgrade path from traditional electromechanical designs to modern static protection solutions, helping facilities extend the life of their existing systems without extensive modifications. Their modularity, wide auxiliary voltage range, and compatibility with standard DIN mounting simplify integration across different types of installations.

At Digital & Smart Grid Enterprises, we take pride in being leading ABB VHXM22B Protection Relay Suppliers and exporters of the ABB Auxiliary Relay. Our commitment is to deliver tailored relay solutions that meet various industry requirements. Whether you have questions or wish to make a purchase, feel free to contact us for the ABB VHXM22B Protection Relay Price at +917021624024 or via email at marketing@dsgenterprises.in. With our deep expertise in ABB Auxiliary Relay, we guarantee consistent support throughout your journey. Discover our extensive product range by clicking here for more information.