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PAGE 33 — DCA-25SSIU — PARTS AND OPERATION MANUAL (STD) — REV. #7 (04/18/12)
Voltage Selector Switch- 3 Phase 480/277V Position
The following are additional voltages available when the
voltage selector switch is in the 3 phase 480/277V
position.
3 Phase, 480V, 440V, or 416 Volt
This setting can provide 3-phase power at 480, 440, or
416 volts. After hooking up the hard wires to the lugs as
shown in Figure 20, 480 volts can be obtained the
voltage regulator knob turned toward maximum; 440 volts
can be obtained with the voltage regulator knob is turned
down; and 416 volts can be obtained with the voltage
regulator knob is at lowest setting.
Single Phase: 480V, 440V, or 416 Volt
This setting can provide single phase power at 480, 440,
or 416 volts. After hooking up the hard wires to the lugs
as shown in Figure 21, 480 volts can be obtained the
voltage regulator knob turned toward maximum; 440 volts
can be obtained with the voltage regulator knob is turned
down; and 416 volts can be obtained with the voltage
regulator knob is at lowest setting.
Single Phase: 277V, 254V, or 240V
This setting can provide single phase power at 277, 254
or 240 volts. After hooking up the hard wires to the lugs
as shown in Figure 22, 277 volts can be obtained the
voltage regulator knob turned toward maximum; 254 volts
can be obtained with the voltage regulator knob is turned
down; and 240 volts can be obtained with the voltage
regulator knob is at lowest setting.
Figure 19. Voltage Regulator Knob
Figure 20. Hard Wire Hookup for Three Phase
480V, 440V, or 416V
Figure 22. Hard Wire Hookup for Single Phase 277V, 254V,
or 240V
Figure 21. Hard Wire Hookup for Single Phase 480V, 440V,
or 416V
DCA-25SSIU — OUTPUT VOLTAGE SETUP