step down transformer 440v to 220v 3 phase

Capacity (Power in KVA): 1000VA-500KVA
Input Voltage (Primary): 440V
Input Rated Current: Power in KVA*1000/(Input Voltage*1.732)
Output Voltage (Secondary): 220V
Output Rated Current: Power in KVA*1000/(Output Voltage*1.732)
Working Frequency: 50/60Hz
Connection/Vector Group: Yyn0, Dyn11, etc
Winding (Coil) Material: Aluminum, copper
Cooling: Dry type air cooled
Insulation Class: F, H, etc
Temperature Rise: <100K
Insulation Resistance: >2MO
Dielectric Class: No damage at 2KV for 1 minute
Impedance Percentage: 4%
Efficiency: >98%
Duty Cycle: Continuous
Ambient Temperature: -15 to +45°C
Relative Humidity: 0-95% (Non-condensing)
Altitude: <1000m
Display: None or with analog voltage meter & indicator
Protection Degree (IP Rating): IP00, IP20
Installation: Indoor and floor mounted
Optional Parts & Features: Input & Output Circuit Breaker
step down transformer 440v to 220v 3 phase