Beckwith Electric M‑2001C‑6SL Tap Changer Control

The Beckwith Electric M‑2001C‑6SL is a variant of the M‑2001C series tap changer control, offering a specific configuration with additional features such as advanced load drop compensation, multiple setting groups, and enhanced communication protocols. The “6SL” designation indicates a particular hardware/software option set tailored for complex distribution and industrial voltage regulation applications.

This control provides automatic regulation of transformer output voltage by adjusting the tap position of on‑load tap changers. It incorporates flexible logic, real‑time monitoring, and comprehensive alarm functions to ensure reliable power quality.

Key Features

• Voltage regulation with adjustable bandwidth and time delay

• Line‑drop compensation with independent R and X settings

• Multiple setting groups (up to 4) for seasonal or load variations

• Programmable logic for custom control sequences

• Tap position display and limit alarms

• Communication: Modbus RTU, DNP3, and IEC 60870‑5‑101

• Large graphical display with multi‑language support

• Event recorder with 256 events

Technical Specifications

Supply: 120/240 VAC, 50/60 Hz; PT input: 120 VAC; burden: < 30 VA; output relays: 4 x SPDT (2 for raise/lower, 2 for alarm/trip); operating temperature: -25°C to +70°C; dimensions: 160 x 120 x 70 mm.

Applications

Suitable for large power transformers, step‑voltage regulators, and capacitor bank control. The M‑2001C‑6SL is commonly used in utility substations and industrial plants with demanding voltage regulation requirements.

Installation and Configuration

Install the control in a standard panel. Connect all sensing and control circuits. Configure using the front‑panel menu or PC software. The control includes a configuration wizard for easy setup.

Reliability and Maintenance

Robust design with conformal coating and transient protection. Periodic checks of setpoints and calibration are recommended.

Why Choose the M‑2001C‑6SL?

This control offers enhanced flexibility and performance for demanding voltage regulation applications, backed by Beckwith Electric’s industry‑leading reliability.

In summary, the Beckwith Electric M‑2001C‑6SL is a powerful tap changer control that ensures stable voltage under varying system conditions.