General Electric 9T58B2946 Control Power Transformer ABB 9T58K0501 Low Voltage Dry Type Transformer SPT 9T58K ABB 9T58K2810 Industrial Control Transformer 1 Phase, 500 VA ABB 9T58K0073 Low Voltage Dry Type Transformer SPT 9T58K ABB 9T58K0050 Industrial Control Transformer 1 Phase, 500 VA. ABB General Purpose Transformer 9T58K2930 Single Phase Frequency : 50 Hz Primary Voltage 240 480 Secondary Voltage 120 240 KVA : 0. 50 KVA 500 Volt Amps