The Model 1250-LTC provides critical LTC Maintenance Data to assist in making informed decisions, while continuing to provide highly accurate local and remote indication of load tap changer position.

Applications

• Transformer Load Tap Changer Position
• Works in virtually all transformer LTC’s
• Single Phase Voltage Regulator Position

Capabilities

• Provides absolute position feedback
• Tap Change Displacement (position variation, 0.1 degree resolution)
• Total Operations Count
• Number of Tap Changes “up to” or “down to” each Tap
• Number of Consecutive Tap Changes in one Direction
• Number of Days Since First or Last Change to Highest and Lowest Tap (Draghands)
• Number of Days Since Passing Through Neutral
• “Unstable Signal” and loss of signal detection
• Momentary Relay Acknowledgement at Each Tap Change
• High Tap and Low Tap Alarm Limits