Description

Technical Parameter / Feature Category	Single-Pole Outdoor Voltage Transformer Performance Specifications
Maximum Equipment Voltage ( $U_m$ )	Up to $24text{ kV}$
Power-Frequency Withstand Rating (1 min)	Up to $60text{ kV}$
Lightning Impulse Withstand Level (Peak)	Up to $150text{ kV}$
Rated Primary Line-to-Ground Voltage ( $U_n$ )	Up to $22/sqrt{3}text{ kV}$ (tailored ratings available upon request)
Overvoltage Capability Factor	$1.9 times U_n / 8text{ hours}$
Maximum Secondary Winding Count	Up to 2 secondary windings
Secondary Winding Outputs	• Metering Circuit: Up to $230/sqrt{3}text{ V}$ • Open-Delta Auxiliary Circuit: Up to $230/3text{ V}$
Combined Maximum Burden / Accuracy Grades	• Class 0.2: $25text{ VA}$ • Class 0.5: $50text{ VA}$ • Class 1: $100text{ VA}$ • Class 3: $150text{ VA}$ • Class 3P Protection: $150text{ VA}$ • Class 6P Protection: $200text{ VA}$
Continuous Thermal Power Output	$500text{ VA}$
External Insulation Creepage Distance	$800text{ mm}$
Estimated Unit Mass	Approximately $39text{ kg}$
Ambient Thermal Operating Range	$-40^circtext{C to } +40^circtext{C}$
Rated Operational Frequency	$50text{ Hz} / 60text{ Hz}$

Outdoor Single-Pole Cast Resin Voltage Transformer (Up to 24kV )