Programmable flexible DC power supply
The SM3300 Series consists of power supplies with excellent efficiency, stability and flexibility. Thanks to the auto-ranging power output, one power supply can cover two ranges of traditional power supplies with an rectangular VI-curve. For even more flexibility, the SM3300 series can be used at both single phase as three phase grid power.
Standard, the SM3300 series can be controlled via the front, web interface or ethernet. This connectivity can be expanded at any time by our interface cards. Furthermore, the Master/slave interface allows parallel operation of up to 8 units.
cTUVus Certification
The SM3300 series is certified according to the UL 60950-1:2007 R12.11 standard. This certification by the reputable TÜV Rheinland is a confirmation of the high safety and quality standard of Delta Elektronika. This certificate combined with Delta Elektronika's reputation of long term product availability and product support turns the SM3300 series into excellent power supplies for larger systems.
Unit | Voltage | Current | VI-curve |
---|---|---|---|
SM 18-220 |
0 - 18 V
|
0 - 220 A
|
![]() |
SM 66-AR-110 |
0 - 33 V
0 - 66 V
|
0 - 110 A
0 - 55 A
|
![]() |
SM 100-AR-75 |
0 - 50 V
0 - 100 V
|
0 - 75 A
0 - 37.5 A
|
![]() |
SM 330-AR-22 |
0 - 165 V
0 - 330 V
|
0 - 22 A
0 - 11 A
|
![]() |
SM 660-AR-11 |
0 - 330 V
0 - 660 V
|
0 - 11 A
0 - 5.5 A
|
![]() |
Features
- Designed for long life at full power
- Excellent dynamic response to load changes
- Protected against all overload and short circuit conditions
- EMC surpasses CE requirements: low emission and high immunity
- Low audible noise: fan is temperature controlled
- Automatic coarse and fine adjusting buttons
Functionalities
- Operation on single and three-phase input voltages
- Standard Ethernet Interface including sequencer
- Large user display, menu-driven operation
- Durable digital encoders for voltage and current adjustment
- Plug & Play optional interfaces
Specifications
- Input voltage (single and 3 phase): 180-528 VAC (single or 3 phase 48-62 Hz), derating at low input voltage
- Active Power Factor Correction (PFC): up to 0.99 (at 100% load)
- Efficiency: up to 92% (at full load)
- Output ripple and spikes: from 3 mVRMS / 12 mVPP
- Regulation: from 2.5 mV
- Recovery time: from 100 µs (50-100% load step)
- Programming speed: from 1.6 ms (10-90%), optional from 0.2 ms
- Output voltage and current stability: 6.10-5 / 9.10-5
- MTBF: 500 000 hrs
- Operating ambient temperature: -20 to +50 ºC
Standards
- Emission: EN 61326-1 (class B equipment, for use in domestic establishment)
- Immunity: EN 61326-1 (equipment for use in industrial and domestic establishment)
- Safety: EN 60950-1 / EN 61010-1 / cTÜVus
- Insulation input / output: 3750 VRMS (1 min.)
- Protection class: IP20
Dimensions and weight
- Width:19 inch
- Height: 2 U
- Depth: 455 mm
- Weight: 15 kg



Options
Optional factory installed features
High Speed Programming
A 10 to 20 times higher programming speed and lower output capacitance. Excellent for laser applications, fast test systems or as current source with low parallel capacitance as used in plasma chambers. For more information, download the data sheet High Speed Programming.
2-Quadrant Output: Power Sink
The 2-quadrant operation maintains the output voltage constant regardless the output power is positive or negative. Ideal for PWM-speed controlled DC-motors and ATE-systems. For more information, download the data sheet Power sink.
Interfaces
Add-on interfaces to be added at any time
Digital (user) I/O
Interface with 8 inputs and outputs. Controlled and monitored by commands. Interacts with sequencer
Analog interface
Interface for isolated analog programming and monitoring.16 bit resolution.
Isolated contacts
Interface with 4 relays, floating interlock or 24 V enable system. Ethernet programmable.
Serial interface
Interface for RS232, RS485, RS422 and USB. 16 bit resolution.
Simulation interface SM3300
Interface for simulation of photo-
voltaic panels, internal resistance, leadless sensing and foldback current limiting.
Master/Slave interface SM3300
Interface for master/slave series and parallel operation of SM3300 power supply series.
Downloads
Data sheets | Type/Format | Size |
---|---|---|
Data sheet SM3300 series | 522.8 KB | |
Data sheet Interfaces SM3300 series | 385.98 KB | |
Data sheet Power sink option SM3300 series | 272.25 KB | |
Data sheet High speed programming option | 320.08 KB |
Manuals | Type/Format | Size |
---|---|---|
Quick start manual SM3300 series | 562.08 KB | |
Product manual SM3300 series | 1.67 MB | |
Manual Interfaces SM3300 series | 1.21 MB | |
Manual Ethernet and Sequencer programming SM3300 series | 1.88 MB |
Application notes | Type/Format | Size |
---|---|---|
Application note Battery charging | 116.35 KB | |
Application note Safe operation | 364.71 KB |
Software | Type/Format | Size |
---|---|---|
DE Applications bundle description | 104.29 KB | |
DE Applications | zip | 417.72 MB |
Example Code and Software | zip | 168.81 KB |
Firmware | Type/Format | Size |
---|---|---|
Release notes firmware update SM3300 series | 61.06 KB | |
Firmware update P0161 SM3300 series | zip | 7.31 MB |
3D drawings | Type/Format | Size |
---|---|---|
3D drawings SM3300 series | zip | 2.58 MB |