Delta Tau 3Ax-602646-xUxx - Manual (Page 7)

Quad Amp Hardware Reference Manual
Introduction 3
Main DC bus Voltage
170 VDC (120 VAC line input)
(L1, L2)
300 VDC (208 VAC line input)
(L1, L2, L3)
325 VDC (230 VAC line input)
(L1, L2, L3) For demo only
Internal Shunt Resistor
Resistance
15 Ohm
Resistor power
1.8 kW
External Shunt Resistor (Optional)
Resistance
8.5 Ohm
Resistor power
2.8 kW
Soft Start charge time 1 Sec
Minimum output inductance
3 mH
380/460/480V Quad Amplifier Specifications
Main AC Input Voltage/Current (L1, L2, L3)
Input
voltage
380 VAC, three phase
460 VAC, three phase
480 VAC, three phase
Input current/phase, continuous. 10 A @ 12.5 HP continuous output
25 A @ 25 HP continuous output
36 A @ 33 HP continuous output
Frequency 50/60 Hz ±2
Control AC Input Voltage/Current (Connector
C3)
(Dependent on Option Ordered)
Input voltage (Selectable)
120 VAC (+/- 10 %), single phase
208 VAC (+/- 10 %), single phase
230 VAC (+/- 10 %), single phase
380 VAC (+/- 10 %), single phase
460 VAC (+/- 10 %), single phase
480 VAC (+/- 10 %), single phase
Min. required input current (RMS)
3 A @ 120VAC
1.5 A @ 230 VAC
1A @ 380VAC
0.75 A @ 460 VAC
Frequency 50/60 Hz ±2
Main DC bus Voltage
537 VDC (380 VAC line input) (L1,
L2, L3)
650 VDC (460 VAC line input) (L1,
L2, L3)
680 VDC (480 VAC line input) (L1,
L2, L3)
Internal Shunt Resistor
Resistance 30 Ohm
Resistor power
0.6 kW
External Shunt Resistor
Resistance 12.75 Ohm
Resistor power
4.2 kW
Soft Start charge time
1 Sec
Minimum output inductance
3 mH