Transformer Accessories & Control Solutions

Marshalling Box (MB)

Centralized Wiring Interface for Transformer Protection & Control

Our Marshalling Boxes are robust and weatherproof enclosures used for connecting various transformer-mounted instruments and sensors to control rooms or RTCC panels.

Features:

• Indoor & Outdoor (IP55/IP65) enclosures
• CRCA / SS / Aluminum construction with powder coating
• Terminals for CTs, PTs, OLTC, temperature sensors, buchholz relay, MOG, WTI/OTI, etc.
• Provision for gland plates, heaters, thermostats & wiring ducts
• Equipped with terminal blocks, cable ferrules & tagging

Applications:

• Power Transformers
• Distribution Transformers
• Substations & Switchyards

RTCC Panel (Remote Tap Changer Control Panel)

Intelligent Control for On-Load Tap Changing Transformers

The RTCC Panel is designed to remotely control and monitor the On-Load Tap Changer (OLTC) of a power transformer to regulate output voltage under varying load conditions.

Key Features::

• Auto/Manual tap changing operations
• AVR (Automatic Voltage Regulation) with set voltage & band
• Tap position indicator
• Raise/Lower push buttons
• Alarm for oil temperature, winding temperature, buchholz relay, etc.
• Communication ports for SCADA/BMS (optional)
• Built-in annunciation, mimic diagram & digital meters

Optional Add-ons:

• Data logger
• GSM/IoT-based remote monitoring
• OLTC timing analyzer interface

Accessories for Power & Distribution Transformers

Essential Components for Transformer Monitoring, Safety & Maintenance

We supply a full range of reliable transformer accessories to ensure maximum uptime and safety.