Ltb 72.5-170d1 B Manual Updated <SAFE · 2024>
The "heart" of the breaker, containing the springs, motors, and trip/close coils.
The is a high-voltage, live-tank Sulfur Hexafluoride ( SF6cap S cap F sub 6 ltb 72.5-170d1 b manual
). It is designed for rated voltages between 72.5 kV and 170 kV and can withstand breaking currents up to 40 kA. Hitachi Energy Publisher Core Technical Specifications Specification Rated Voltage 72.5 kV – 170 kV Rated Continuous Current Up to 3150 A Short-Circuit Breaking Current Up to 40 kA Operating Principle Auto-Puffer™ (Self-Blast interrupter) Insulation Medium Operating Mechanism Motor-charged spring (BLK, MSD, or FSA) Installation Standard Compliance IEC 62271-100, IEEE Operating Principles The LTB D1/B uses Auto-Puffer™ technology The "heart" of the breaker, containing the springs,
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