單極      
OVR T1 25-255-7   KDY-I25/440/1P
單極+中性線   
 OVR T1 1N-25-255   KDY-I25/440/2P
 OVR T1 1N-25-255 TS   
三極    
OVR T1 3L-25-255 TS   KDY-I25/440/3P
三極+中性線   
OVR T1 3N-25-255-7   KDY-I25/440/4P
OVR T1 3N-25-255   KDY-I25/440/4P
四極   
OVR T1 4L-25-255 TS   KDY-I25/440/4P無遙信
單極+中性線   
OVR BT2 2-20-75 P 20 NKP-DY-III-20/320/2P KDY-20/320/2P
OVR BT2 2-20-75 P TS  NKP-DY-IIIR-20/320/2P 
OVR BT2 1N-20-320 P   NKP-DY-III-20/320/1P+1 KDY-20/320/1P+1
OVR BT2 1N-20-320 P TS  NKP-DY-IIIR-20/320/1P+1 
OVR BT2 1N-40-320 P  40 NKP-DY-II-40/385/1P+1 KDY-40/440/1P+1
OVR BT2 1N-40-320 P TS  NKP-DY-IIR-40/385/1P+1 
OVR BT2 1N-70-320s P  70 NKP-DY-I-80/385/1P+1 KDY-65/440/1P+1
OVR BT2 1N-70-320s P TS  NKP-DY-IR-80/385/1P+1 
OVR BT2 1N-70-440s P TS  NKP-DY-IR-80/385/1P+1 
三極+中性線   
OVR BT2 3N-20-320 P 20 NKP-DY-III-20/320/3P+1 KDY-20/320/3P+1
OVR BT2 3N-20-320 P TS  NKP-DY-IIIR-20/320/3P+1 
OVR BT2 3N-20-440 P  NKP-DY-III-20/320/3P+1 KDY-20/320/3P+1
OVR BT2 3N-20-440 P TS  NKP-DY-IIIR-20/320/3P+1 
OVR BT2 3N-40-320 P 40 NKP-DY-II-40/385/3P+1 KDY-40/440/3P+1
OVR BT2 3N-40-320 P TS  NKP-DY-IIR-40/385/3P+1 
OVR BT2 3N-40-440 P TS  NKP-DY-IIR-40/385/3P+1 
OVR BT2 3N-70-320s P  70 NKP-DY-I-80/385/3P+1 KDY-