Purpose

BT1 SO transformers are isolation transformers designed to power auxiliary circuits – e.g. control, lighting and monitoring of facilities. The transformer’s operating voltage is up to 1kV, this solution is especially recommended for photovoltaic farms, where the voltage is 0.8kV.

Technical data

Maximum voltage 1000 VAC
Rated frequency 50 Hz
Rated permissible insulation voltage 6 kV
Insulation class B (130ºC)
Environmental resistance C1/E0 – land version
Insulation level IP 00
Protection class I
Rated voltage [V] 800 (±3%)
Secondary voltage [V] 230 (±3%)
Power [kVA] 5