BECKWITH Electric Tapchanger Control M-2001B-C2

( Brand: Beckwith ), ( Manufacturer Part Number: M-2001B ), ( Part Type: Control )

Review BECKWITH Electric Tapchanger Control Series Used Surplus

The **Beckwith Electric Tapchanger Control M-2001B (with optional C2 interface)** is a high-performance, motorized tapchanger control unit designed for precise and reliable operation in medium-voltage power distribution systems. Engineered to meet the demanding requirements of substation automation, this control system integrates seamlessly with Beckwith s M-2001B series tapchangers, offering advanced functionality for automatic voltage regulation, load tap changing (LTC), and remote control applications. Built with robust construction, the M-2001B features a compact yet durable housing, ensuring long-term reliability in both indoor and outdoor environments, even under harsh conditions such as temperature fluctuations, humidity, and electrical noise. Its modular design allows for easy installation and maintenance, reducing downtime while maximizing operational efficiency.

At the core of the M-2001B is a sophisticated control mechanism that combines digital signal processing with analog feedback, enabling smooth and accurate tap adjustments with minimal mechanical wear. The system supports both manual and automatic operation, with configurable tap positions and transition times to optimize performance based on grid conditions. For enhanced connectivity, the unit is equipped with multiple communication interfaces, including RS-485, Modbus, and optional C2 (Beckwith s proprietary communication protocol), which facilitates seamless integration with SCADA systems, PLCs, or other substation automation platforms. The C2 interface, in particular, provides a high-speed, deterministic communication link, ensuring real-time synchronization with other Beckwith tapchangers and control devices, thereby improving overall system coordination and fault response.

Safety and operational integrity are prioritized in the M-2001B s design, featuring built-in protection mechanisms such as overcurrent, overvoltage, and short-circuit safeguards. The control unit also includes diagnostic capabilities, allowing operators to monitor system health, detect potential issues, and perform predictive maintenance. Its user-friendly interface, whether through a front-panel keypad or remote terminal, ensures intuitive operation, while logging and event recording functions provide valuable data for troubleshooting and compliance reporting. Whether deployed in utility substations, industrial facilities, or renewable energy integration projects, the Beckwith M-2001B (with C2 interface) delivers a dependable solution for dynamic voltage control, contributing to the stability and efficiency of modern electrical networks.

### **Pros and Cons of buying a Beckwith M-2001B Electric Tapchanger Control (M-2001B-C2)**

1. **High Reliability and Durability** The Beckwith M-2001B series is known for robust construction, designed for heavy-duty transformer applications. It is built to withstand harsh environmental conditions, making it suitable for long-term use in substations and industrial settings.

2. **Precision and Control** The electric tapchanger control provides accurate and smooth operation, reducing mechanical stress on the tapchanger. This minimizes wear and tear, improving the lifespan of the transformer.

3. **Compatibility with Modern Systems** The M-2001B-C2 is designed to integrate seamlessly with SCADA, PLC, and other automation systems, allowing for remote monitoring and control. This enhances operational efficiency and reduces manual intervention.

4. **Reduced Maintenance Requirements** Due to its solid-state design and reliable components, the unit requires less frequent maintenance compared to mechanical or hydraulic alternatives, lowering downtime and repair costs.

5. **Energy Efficiency** By enabling precise voltage regulation, the tapchanger helps optimize transformer performance, reducing energy losses and improving overall system efficiency.

6. **Safety Features** The control includes safety mechanisms such as overload protection, short-circuit resistance, and fail-safe operation, reducing the risk of equipment failure or accidents.

7. **Wide Voltage and Current Ratings** The M-2001B series supports a broad range of voltage and current ratings, making it versatile for various transformer sizes and applications.

8. **Proven Track Record** Beckwith Electric is a well-established manufacturer with decades of experience in power systems, ensuring that the product meets industry standards and has a proven performance history.

---

1. **High Initial Cost** Compared to some generic or lower-end alternatives, the Beckwith M-2001B-C2 is a premium product, which may result in a higher upfront investment.

2. **Complex Installation** Due to its advanced features and integration requirements, installation may demand specialized knowledge, potentially increasing labor costs or requiring additional training for personnel.

3. **Potential for Overkill in Smaller Applications** For very small or low-voltage transformers, the robust features of the M-2001B may be unnecessary, making it an over-engineered solution for simpler setups.

4. **Dependence on Power Supply** As an electric control unit, it requires a stable power source. Power fluctuations or outages could temporarily disrupt its operation, though backup systems can mitigate this.

5. **Limited Customization** While highly functional, the M-2001B-C2 may not offer extensive customization options for unique or highly specialized applications, requiring additional modifications or third-party components.

6. **Spare Parts Availability** While Beckwith is reliable, sourcing spare parts for older models or less common configurations might be more challenging than for more widely used alternatives.

7. **Learning Curve for Operation** Operators unfamiliar with advanced tapchanger controls may require training to fully utilize its features, particularly for remote monitoring and automation functions.

---

The Beckwith M-2001B Electric Tapchanger Control (M-2001B-C2) is a high-quality, reliable, and feature-rich solution for transformers in industrial, commercial, or utility applications. Its precision, durability, and integration capabilities make it ideal for environments where performance, safety, and efficiency are critical. However, its higher cost, complex installation, and potential over-engineering for smaller systems may not justify the purchase for all users.

For **large-scale substations, mission-critical applications, or facilities requiring advanced automation**, the M-2001B-C2 is an excellent long-term investment. For **smaller or simpler setups where cost is a primary concern**, a more budget-friendly alternative might be preferable.

- You operate in a high-reliability environment (e.g., utility grids, industrial plants).

- You require seamless integration with SCADA or automation systems.

- Your application demands precise voltage regulation and minimal maintenance.

- Budget constraints are not a limiting factor, and long-term cost savings justify the initial investment.

- Your application is small-scale or low-voltage, where a simpler, lower-cost tapchanger would suffice.

- Installation expertise is limited, and the complexity of setup could pose challenges.

- You prioritize cost efficiency over premium features and are willing to accept slightly higher maintenance requirements.

For most **medium to large-scale power systems**, the M-2001B-C2 remains a strong recommendation due to its proven performance and reliability. Always consult with a power systems specialist to ensure the unit aligns with your specific operational needs.

Details:

Physical condition: Fair.: Light scratching and scuffing on the device chassis. 1x Beckwith Electric TapChanger Control M-2001B Series M-2001B-C2 Used Surplus.

Reverse power detection/operation. Parts not included: Software, User Guide, Accessory Cables. Demand metering. Two active serial communications ports, through RS-232, RS-485, or Fiber Optics.

Working condition: Pulled from a working environment. The Actual item is shown in the photos.: Product Condition. Micro controller-based LTC transformer and regulator control provides reliable operation expanded capabilities.

Serial communication ports with several on-board protocols.

part #: m2001b prices

• $299.99-$524.99

specifications oelemot:

• brand: Beckwith
• mpn: M-2001b
• part type: Control

general oelemot:

• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
• condition: Used

offer oelemot:

• sold: 0
• started: March 31, 2026
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock

seller oelemot:

• city: Bell, California
• rating: 99.7%
• # reviews: 39632

payments oelemot:

• other
• wallet: Google-pay
• credit card: Mastercard

returns oelemot:

• time: 60 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

shipping oelemot:

• transit: 3-9 Days
• service: Standard
• cost: $0.00
• type: Fixed
• class: Standard