Shindaiwa DGK25F Owner's And Operator's Manual page 24

(1) Three-Phase Output Terminal
 For three-phase load:
 Terminal voltage is 240/480 V.
L1
 For single-phase load:
 Terminal voltage is 139/277 V.
L1
Load
 For single-phase load:
 Terminal voltage is 240/480 V.
L1
(2) Single-Phase Three-Wire Output Terminal and Receptacle
 For single-phase three-wire type load:
 U-W terminal voltage is 240 V.
 U-N terminal voltage is 120 V.
 W-N terminal voltage is 120 V.
 For single-phase 240 V load:
N
GROUND
L2 L3 N
Load
L2 L3 N
Load Load
L2 L3
Load
Load Load
 For single-phase 120 V load:
U W
Load
21
GROUND
GROUND
N
GROUND
N U
GROUND
Load
W
Load