The Sorensen DLM 3kW and 4kW Series programmable DC power supplies are designed to provide highly stable, continuously variable output voltage and current for a broad range of applications in a compact 2U ( 3_ high) chassis.

Both the 3 kW and 4 kW models have output voltages from 0-5 VDC to 0-600 VDC and a current range from 0-5A to 0-450A. The output rms noise is as low as 10 mV. The output will recover to 1% of its steady-state voltage within 1 ms for a step load change of 100% to 70% or 70% to 100%. The front panel layout makes the series extremely easy to use. Control switches include: power on, enable/ standby and local/ remote.

Displays and indicators show programmed set points and operational control status. The programmed voltage, current and overvoltage set points are displayed with two large 3_ digit LED displays. Operational Status LEDs indicate power on, shutdown, over temperature, overvoltage, constant current and voltage mode status. Control Status LEDs indicate front panel lockout, remote control and standby status. IEEE- 488.2 control LEDs indicate error, service request and remote address status.

The 3 kW Models will accept 200*/230 VAC single phase and 200*/208 VAC three phase input power.

The 4 kW Models will accept 200*/208 VAC, three phase or optional 400 or
480 VAC three phase input power.

*Operating temperature below 40C

High Power Density
3 kW and 4 kW models, 2U (3_ inches) high, 19 inches wide; no top or bottom clearance spacing required

Wide Range of Output Voltages
3 kW and 4 kW outputs 0-5V, 8V, 16V, 32V, 40V, 60V, 80V, 150V, 300V and 600V

Preview Pushbutton
Overvoltage protection (OVP), voltage and current preview buttons allow viewing these set points at any time with or without the output enabled

Remote Voltage Sense
Sense leads are easily connected to a solderless connector

Remote Operation
- Standard analog programming
- Output enable/disable remotely
- Optional IEEE-488.2 and RS 232
- Optional optically isolated analog programming

Calibration
All models can be calibrated without removing the covers

Operating Modes
Constant voltage and constant current, with LED indicators

Parallel or Series Operation
Field configurable

Input Power Factor
0.95 typical (three phase for all models) 0.98 typical (single phase)

CE Mark

M1 345-455 VAC, 47-63 Hz, three phase, 3 wire plus ground, Delta or WYE may be used (4 kW only)
M2 432-528 VAC, 47-63 Hz, three phase, 3 wire plus ground, Delta or WYE may be used (4 kW only)
M9E SCPI compatible IEEE-488.2 and RS-232 interfaces (May not be combined with M51A or M85)
M13 Locking shafts (front panel potentiometers)
M51A Isolated analog programming (May not be combined with M9C or M85). This isolation allows users to control power supplies
not connected to a common ground. In addition, in systems with high ambient noise or with large ground loop currents the
control ground can be isolated from the power ground eliminating problems.
M85 12-bit slave interface (May not be combined with M9E or M51A)

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