MS Series III: FeatureS
Key Features
- Floor standing power supply up to 75 kW
- 84 Models: 0-16 to 0-4000 Vdc and 0-7.2 to 0-4500 Adc
- Wide range of input voltage: From 208 Vac to 480 Vac, at 50 Hz, 60 Hz, and 400 Hz
- Optically isolated user I/O circuitry standard: No additional isolation circuitry necessary
- Front panel analog potentiometers: Stepless rotary control
- RS-232 interface standard with SCPI Commands: GPIB, USB, Ethernet, RS-485 interfaces optional
- LXI TCP/IP Ethernet communications: Embedded web-server

- OVT and OCT shutdown standard: Mechanical contactors to disconnect input mains
- Certified LabWindows/CVI and LabView Drivers: GPIB, Serial, and TCP/IP
- Load dependent air or optional water cooling
- High power factor
- CE Mark

Specifications
| Input | |
|---|---|
| Nominal Voltage 3 phase, 3 wire + ground |
208 VAC, (operating range 187 - 229 VAC) 240 VAC (operating range 216 - 264 VAC) 380 VAC (operating range 342 - 418 VAC) 415 VAC (operating range 373 - 456 VAC) 440 VAC (operating range 396 - 484 VAC) 480 VAC (operating range 432 - 528 VAC) |
| 1 phase, 2 wire + ground | 208 VAC (operating range 187 - 229 VAC) 240 VAC (operating range 216 - 264 VAC) |
| Frequency | 50 through 400 Hz |
| Power Factor | Greater than 92% at maximum power |
| Environmental | |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -25°C to +85°C |
| Air Cooling | Front and rear air intake, top exhaust |
| Water Cooling (Optional) | 25°C maximum inlet temperature 1.5 GPM minimum flow rate for 15 kW units 3.0 GPM minimum flow rate for 20-30 kW units 4.5 GPM minimum flow rate for 45 kW units 80 PSI maximum pressure 1/4” NPT female pipe size |
| Physical | |
| Dimensions (H" x W" x D") |
30 kW: 38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm) 45 kW: 38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm) 60 kW: 38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm) 75 kW: 49" x 22" x 29" (124.46 x 55.58 x 73.66 cm) |
| Weight | 30 kW: 280 lbs (127.01 kg) 45 kW: 395 lbs (179.17 kg) 60 kW: 510 lbs (231.33 kg) 75 kW: 645 lbs (292.57 kg) |
| Output | |
| Ripple | See Model Charts |
| Line Regulation | Voltage Mode: ± 0.004% of full scale Current Mode: ± 0.02% of full scale |
| Load Regulation | Voltage Mode: ± 0.01% of full scale Current Mode: ± 0.04% of full scale |
| Load Transient Response | 2 ms to recover within ±1% of regulated output with a 50% to 100% or 100% to 50% step load change |
| Efficiency | ≥ 86%; See Model Charts |
| Stability | ± 0.10% for 8 hrs. after 30 min. warmup |
| Isolation | Maximum input voltage to ground: ±2500 Vac User inputs and outputs: referenced to Earth ground For models less than or equal to 1000 Vdc: Maximum output voltage to ground: ±1000 Vdc For models greater than 1000 Vdc: Maximum output voltage to ground: ±4000 Vdc |
| Programming Levels and Accuracy of Full Scale | ||||
|---|---|---|---|---|
| Voltage Set Point |
Current Set Point |
OVT Set Point |
OCT Set Point |
|
| Remote Analog Programming Accuracy | ± 0.50% | ± 0.75% | ± 0.50% | ± 0.75% |
| Digital Programming Accuracy | ± 0.50% | ± 0.75% | ± 0.50% | ± 0.75% |
| Remote Analog Programming Levels | 0 - 10.0 Vdc | 0 - 10.0 Vdc | 0 - 11.0 Vdc | 0 - 11.0 Vdc |
| Monitoring Levels and Accuracy of Full Scale | ||||
|---|---|---|---|---|
| Output Voltage | Output Current | |||
| Remote Analog Monitoring Accuracy | ± 0.50% | ± 0.75% | ||
| Digital Monitoring Accuracy | ± 0.50% | ± 0.75% | ||
| Remote Analog Monitoring Levels | 0 - 10.0 V | 0 - 10.0 V | ||
| Control Limits | |
|---|---|
| Remote Sense Limits | 3% maximum voltage drop from output to load |
| Period Programming Limits | Minimum period: 10 msec Maximum Period: 9997 sec or 2.77 hours |
| Digital control inputs and outputs limits | Input voltage: 0 to 10 Vdc Output voltage: 0 to 10 Vdc, 5 mA drive capacity |
