TECHNICAL SPECIFICATIONS
The following subsections provide environmental, electrical, and physical characteristics for the SPS MEDIUM POWER Series power supplies.
Environmental Characteristics |
| Parameter |
Specification |
| Temperature Coefficient |
0.02%/°C of maximum output voltage rating for voltage set point. 0.03%/°C of maximum output current rating for current set point. |
| Ambient Temperatures |
| Operating |
0 to 50°C |
| Storage |
-25° to 65°C |
| Cooling |
Internal fans; vents on sides and rear. (Units may be stacked without clearance above or below). |
| Humidity |
95% maximum, non-condensing, 0 to 50°C; 45°C maximum wet-bulb temperature |
| Altitude |
Operating full power available up to 5,000 feet (1,524m), derate 10% of full power for every 1,000 feet higher; non-operating to 40,000 feet (12,192m) |
| Ozone concentration |
Recommended long-term exposure limit is 0.1 PPM (0.2 mg/m3). |
Electrical Characteristics |
| Parameter |
Specification |
| Input Power |
| Voltage (Standard) |
208/220 VAC±10% (allowed range 187-242 VAC) |
| Voltage (Options) |
380/400 VAC±10% (allowed range 342-440 VAC) 440/480 VAC±10% (allowed range 396-528 VAC) |
| Frequency |
47 to 63 Hz |
| Phases |
3–phase, 3–wire plus ground. Not phase rotation sensitive. Neutral not used. |
| Power Factor |
0.9 typical for 208/220VAC input0.78 typical for 380/400VAC input0.7 typical for 440/480VAC input |
| Efficiency |
87% typical at full load, nominal line |
| Front Panel Meter Accuracy |
| Voltage |
±0.15% of full-scale |
| Current |
±0.4% of full-scale |
| Load Regulation |
(Specified at no load to full load, nominal AC input) |
| Voltage |
0.02% of maximum output voltage |
| Current |
0.1% of maximum output current |
| Line Regulation |
(Specified ±10% of nominal AC input, constant load) |
| Voltage |
0.01% of maximum output voltage |
| Current |
0.05% of maximum output current |
| Transient Response |
A 50% step load will recover to within 0.75% of original value within 1 ms. |
| Down Programming |
With no load the output will program from 100 to 10% in less than 1.5 seconds |
| Stability |
±0.05% of set point after 8–hr. warm-up at fixed line, load, and temperature using remote sense |
| Remote Control/Monitor |
On/Off control via contact closure, 6-120 VDC or 12-240 VAC, and TTL or CMOS switch, output voltage and current monitor, OVP limit set, summary fault status |
| Parameter |
Specification |
| Front panel and remote digital programming |
| Voltage |
±0.1% of full-scale output |
| Current |
±0.4% of full-scale output |
| Overvoltage Protection (OVP) |
±1% of full-scale output |
| REMOTE DIGITAL READBACK |
| Voltage |
±0.15% of full-scale output |
| Current |
±0.4% of full-scale output |
| Remote ANALOG Programming |
| Constant Voltage |
|
±0.25% of full-scale output for 0-5V range (±0.5% 0-10V range) |
| Constant Current |
|
±0.8% of full-scale output |
| Overvoltage Protection (OVP) |
±1% of full-scale output |
| REMOTE ANALOG READBACK |
| Voltage |
±1% of full-scale output, 0-10V range |
| Current |
±1% of full-scale output, 0-10V range |
| Resistive |
| Constant Voltage (0-100%) |
0–5 kΩ |
| Constant Current (0-100%) |
0–5 kΩ |
| Voltage |
| Constant Voltage (0-100%) |
0–5 VDC or 0–10 VDC |
| Constant Current (0-100%) |
0–5 VDC or 0–10 VDC |
| Overvoltage Protection (OVP) (5–110%) |
0.25–5.5 VDC |
| Remote Sensing |
Terminals are provided to regulate output voltage at point of load. Maximum line drop 5% of rated output voltage per line for 40-100V models, 2% of rated output voltage per line for >100V models. |
| REMOTE ANALOG CONTROL |
| Input to Output Isolation |
The control signal return for Non-Isolated Analog programming is connected to the negative output terminal. Under no condition should the negative terminal exceed 300V to earth ground. The maximum voltage from control signal return of the Remote Isolated Analog programming (option) to the negative output terminal is 600V. |
| Dimension |
3U Models |
6U Models |
| Width |
19.00 in (48.3 cm) |
19.00 in (48.3 cm) |
| Depth |
25.46 in (64.7 cm) |
25.12 in (63.8 cm) |
| Height |
5.25 in (13.3 cm) |
10.5 in (26.7 cm) |
| Weight |
(5kW) ≈ 40 lbs (18 kg) |
(20 KW) ≈ 120 lbs (54 kg) |
| (10kW) ≈ 60 lbs (27 kg) |
(25 kW) ≈ 140 lbs (64 kg) |
| (15kW) ≈ 80 lbs (36 kg) |
(30kW) ≈ 160 lbs (73 kg) |
Important Notes:
- Specifications are subject to change without notice
- The SPS Series power supplies are intended for indoor use only.
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