Common |
Switching Frequency |
XFR 2.8 kW: Nominal 31 kHz (62 kHz output ripple) XFR 1.2 kW: 12 V to 40 V models: nominal 78 kHz (156 kHz output ripple); 60 V to 600 V models: nominal 62.5 kHz (125 kHz output ripple). |
Time Delay |
7 sec maximum from power on until output stable |
Voltage Mode Transient Response Time |
< 3 ms for output voltage to recover within 0.5% of its rated voltage after a step change in load current of up to 10% to 90% of rated output |
Maximum Voltage Differential |
±600 Vdc from output to safety ground |
Remote Start/Stop and Interlock |
2.5-15 V signal or TTL-compatible input, selectable logic |
Remote Analog Programming |
Voltage and current programming inputs (source must be isolated): 0-5 k, 0-10 k resistances; 0-5 V, 0-10 V (default) voltage sources |
Remote Analog Monitoring |
Voltage and current monitor outputs 0-5 V, 0-10 V (default) ranges for 0-100% of output |
Remote Programming & Monitoring Accuracy |
1% zero to full scale output for the default range |
Maximum Remote Sense Line Drop Compensation |
5 V / line (Line drop is subtracted from total voltage available at supply output.) |
Front Panel Voltage and Current Control |
10-turn voltage and current potentiometers |
Front Panel Voltage Control Resolution |
0.02% of maximum voltage |
Main Output Connector |
XFR 2.8 kW: 7.5 - 100 V models: nickel-plated copper bus bars with bus bar cover and strain relief; 150V to 600 V models: 4-terminal, wire clamp connector with cover and strain relief; XFR 1.2 kW: 12 - 40 V models: nickel-plated copper bus bars with bus bar shield; 60 - 600 V models: 4-terminal wire clamp connector with strain relief |
Approvals |
NRTL approved and CE-marked to UL Std. No. 61010-1, CAN/CSA-C22.2 No. 61010-1-04, EN 610101-1 (Equipment Class I, Pollution Degree 2, Installation Category II) Meets USA EMC standard: FCC, part 15B, Class A; Meets Canadian EMC standard: ICES-001, Class A. |
Input |
Input Voltage Ranges |
XFR 2.8 kW: 190-264 Vac, 1φ (24.3 A @ 208 Vac; 20.5 A @ 230 Vac typical), 47-63 Hz; Option: M2 3φ 208 Vac input XFR 1.2 kW: 85-130 Vac or 190-264 Vac, 1φ (17 A @ 120 Vac; 8.8 A @ 230 Vac typical), 47-63 Hz. Automatic range detect. |
AC Input Connector |
Type 3-terminal, 34 A, 250 V, wire clamp connector with strain relief cover |
Protection Features |
Over-voltage protection |
|
Over-temperature protection |
|
Environmental |
Operating Temperature |
XFR 2.8 kW: 0 to 50°C, XFR 1.2 kW: 0 to 50°C |
Storage Temperature |
-20°C to 70°C |
Humidity (Non-condensing) |
Up to 90% RH, non-condensing |
Physical |
Model |
XFR 2.8 kW
|
XFR 1.2 kW
|
Dimensions |
Width: 19“ (429.4 mm)
Height: 3.5“ (88.9 mm)
Depth: 21“ (533.5 mm
|
Width: 19“ (429.4 mm)
Height: 1.7“ (43.2 mm)
Depth: 20“ (508.1 mm)
|
Weight |
33 lb (15 kg)
|
18 lb (8.2 kg)
|
Output Ratings |
Model |
Output Voltage
|
Output Current
|
Output Power
|
XFR 7.5-300 |
0-7.5 V
|
0-300 A
|
2250 W
|
XFR 12-220 |
0-12 V
|
0-220 A
|
2640 W
|
XFR 20-130 |
0-20 V
|
0-130 A
|
2600 W
|
XFR 33-85 |
0-33 V
|
0-85 A
|
2805 W
|
XFR 40-70 |
0-40 V
|
0-70 A
|
2800 W
|
XFR 60-46 |
0-60 V
|
0-46 A
|
2760 W
|
XFR 100-28 |
0-100 V
|
0-28 A
|
2800 W
|
XFR 150-18 |
0-150 V
|
0-18 A
|
2700 W
|
XFR 300-9 |
0-300 V
|
0-9 A
|
2700 W
|
XFR 600-4 |
0-600 V
|
0-4 A
|
2400 W
|
XFR 7.5-140 |
0-7.5 V
|
0-140 A
|
1050 W
|
XFR 12-100 |
0-12 V
|
0-100 A
|
1200 W
|
XFR 20-60 |
0-20 V
|
0-60 A
|
1200 W
|
XFR 35-35 |
0-35 V
|
0-35 A
|
1225 W
|
XFR 40-30 |
0-40 V
|
0-30 A
|
1200 W
|
XFR 60-20 |
0-60 V
|
0-20 A
|
1200 W
|
XFR 100-12 |
0-100 V
|
0-12 A
|
1200 W
|
XFR 150-8 |
0-150 V
|
0-8 A
|
1200 W
|
XFR 300-4 |
0-300 V
|
0-4 A
|
1200 W
|
XFR 600-2 |
0-600 V
|
0-2 A
|
1200 W
|
Line Regulation |
Model |
Voltage
|
Current
|
XFR 7.5-300 |
2.75 mV
|
32 mA
|
XFR 12-220 |
3.2 mV
|
24 mA
|
XFR 20-130 |
4 mV
|
15 mA
|
XFR 33-85 |
5.3 mV
|
10.5 mA
|
XFR 40-70 |
6 mV
|
9 mA
|
XFR 60-46 |
8 mV
|
6.6 mA
|
XFR 100-28 |
12 mV
|
4.8 mA
|
XFR 150-18 |
17 mV
|
3.8 mA
|
XFR 300-9 |
32 mV
|
2.9 mA
|
XFR 600-4 |
62 mV
|
2.4 mA
|
XFR 7.5-140 |
2.75 mV
|
16 mA
|
XFR 12-100 |
3.2 mV
|
12 mA
|
XFR 20-60 |
4 mV
|
8 mA
|
XFR 35-35 |
5.5 mV
|
5.5 mA
|
XFR 40-30 |
6 mV
|
5 mA
|
XFR 60-20 |
8 mV
|
4 mA
|
XFR 100-12 |
12 mV
|
3.2 mA
|
XFR 150-8 |
17 mV
|
2.8 mA
|
XFR 300-4 |
32 mV
|
2.4 mA
|
XFR 600-2 |
62 mV
|
2.2 mA
|
Load Regulation |
Model |
Voltage
|
Current
|
XFR 7.5-300 |
6.5 mV
|
65 mA
|
XFR 12-220 |
7.4 mV
|
49 mA
|
XFR 20-130 |
9 mV
|
31 mA
|
XFR 33-85 |
11.6 mV
|
22 mA
|
XFR 40-70 |
13 mV
|
19 mA
|
XFR 60-46 |
17 mV
|
14.2 mA
|
XFR 100-28 |
27 mV
|
10.6 mA
|
XFR 150-18 |
35 mV
|
8.6 mA
|
XFR 300-9 |
65 mV
|
6.8 mA
|
XFR 600-4 |
125 mV
|
5.8 mA
|
XFR 7.5-140 |
6.5 mV
|
33 mA
|
XFR 12-100 |
7.4 mV
|
25 mA
|
XFR 20-60 |
9 mV
|
17 mA
|
XFR 35-35 |
12 mV
|
12 mA
|
XFR 40-30 |
13 mV
|
11 mA
|
XFR 60-20 |
17 mV
|
9 mA
|
XFR 100-12 |
27 mV
|
7.4 mA
|
XFR 150-8 |
35 mV
|
6.6 mA
|
XFR 300-4 |
65 mV
|
5.8 mA
|
XFR 600-2 |
125 mV
|
5.4 mA
|
Meter Accuracy |
Model |
Voltage (1% of Vmax + 1 count)
|
Current (1% of lmax + 1 count)
|
XFR 7.5-300 |
0.09 V
|
4 A
|
XFR 12-220 |
0.13 V
|
2.3 A
|
XFR 20-130 |
0.3 V
|
1.4 A
|
XFR 33-85 |
0.43 V
|
0.95 A
|
XFR 40-70 |
0.5 V
|
0.8 A
|
XFR 60-46 |
0.7 V
|
0.56 A
|
XFR 100-28 |
1.1 V
|
0.38 A
|
XFR 150-18 |
1.6 V
|
0.19 A
|
XFR 300-9 |
4 V
|
0.1 A
|
XFR 600-4 |
7 V
|
0.05 A
|
XFR 7.5-140 |
0.09 V
|
1.5 A
|
XFR 12-100 |
0.13 V
|
1.1 A
|
XFR 20-60 |
0.3 V
|
0.7 A
|
XFR 35-35 |
0.4 V
|
0.45 A
|
XFR 40-30 |
0.5 V
|
.04 A
|
XFR 60-20 |
0.7 V
|
0.3 A
|
XFR 100-12 |
1.1 V
|
0.13 A
|
XFR 150-8 |
1.6 V
|
0.09 A
|
XFR 300-4 |
4 V
|
0.05 A
|
XFR 600-2 |
7 V
|
0.03 A
|
Output Ratings |
Model |
Output Noise (0-20 MHz)
|
Output Ripple (rms)
|
Voltage (p-p)
|
Voltage
|
Current
|
XFR 7.5-300 |
100 mV
|
10 mV
|
1600 mA
|
XFR 12-220 |
100 mV
|
10 mV
|
1200 mA
|
XFR 20-130 |
100 mV
|
10 mV
|
400 mA
|
XFR 33-85 |
100 mV
|
15 mV
|
300 mA
|
XFR 40-70 |
150 mV
|
15 mV
|
200 mA
|
XFR 60-46 |
150 mV
|
15 mV
|
100 mA
|
XFR 100-28 |
175 mV
|
25 mV
|
80 mA
|
XFR 150-18 |
200 mV
|
25 mV
|
40 mA
|
XFR 300-9 |
400 mV
|
40 mV
|
20 mA
|
XFR 600-4 |
500 mV
|
100 mV
|
10 mA
|
XFR 7.5-140 |
75 mV
|
9 mV
|
500 mA
|
XFR 12-100 |
75 mV
|
9 mV
|
500 mA
|
XFR 20-60 |
75 mV
|
9 mV
|
500 mA
|
XFR 35-35 |
120 mV
|
9 mV
|
300 mA
|
XFR 40-30 |
150 mV
|
9 mV
|
200 mA
|
XFR 60-20 |
150 mV
|
9 mV
|
100 mA
|
XFR 100-12 |
150 mV
|
9 mV
|
100 mA
|
XFR 150-8 |
150 mV
|
18 mV
|
50 mA
|
XFR 300-4 |
200 mV
|
27 mV
|
25 mA
|
XFR 600-2 |
400 mV
|
72 mV
|
15 mA
|