Delta Elektronika SM1500 SERIES Laboratory Power Supply
The Delta Elektronika SM1500 Series is a versatile and high-performance power supply, designed to meet the needs of demanding laboratory, industrial, and research applications. Delivering up to 1500W of output, with voltage options ranging from 15V to 400V and current capacities up to 100A, the SM1500 ensures stable and accurate power delivery. Its compact 2U design is suitable for 19” rack mounting or standalone use, making it adaptable to any workspace.
Read MoreFeatures
- 1500W Laboratory Supply
- Ranges 0-15V to 0-400V and 0-100A to 0 - 6A
- 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 for low emissions and high immunity Low audible noise - fans are temperature controlled
INPUT | |
---|---|
Input voltages | 90 - 265Vac |
Input Frequency | 48 - 62Hz |
Power Factor | 0.99, with 50% load 0.98 |
Internal Fuse | 25AT |
Standby input power | 12W Vo=Io=0 |
OPERATING | |
---|---|
Relay Outputs | ACF: AC-Fail, both NOP and NC contact DCF: DC-Fail,both NO and NC contact output voltages +/-5% beyond set point |
Status Outputs | CC operation: 5V = logic1, (Ro = 500 Ohm) CV or CC limit: 5V = logic1, (Ro = 500 Ohm) OT: Over Termp: 5V = logic1, (Ro = 500 Ohm) PSOL, Powersink Overload: 5V = logic1, (Ro = 500 Ohm) ACF, AC Fail: 5V = logic1, (Ro = 500 Ohm) DCF DC Fail 5V = logic1, (Ro = 500 Ohm) |
Remote ShutDown | > with +5V, 1mA or relay contact |
Interlock | contact at rear of panel |
Indicators | Voltage meter, Amp meter, AC-Fail, DC-Fail, Over Temperature, Power Sink Overload, Remote Shutdown,, Remote-CV, Remote-CC, Output On,CV-limite, CV- and CC- mode |
Controls | Mains on/off switch, CV and VV potmeter, CV and CC limit potmeter, Displlay Settings button, Display limits button, Remote/Local button, Output On/off button, Fron panel lock button |
Series Operation | Max total voltage 600V Master / Slave oeration yes |
Parallel Operation | Max total current - No limit Master / Slave operation - max 4 units (including master) |
Remote Sensing | Max volt, drop per load lead: 2V |
Potentiometers & Encoders | From front panel: Standard .03% Screw driver adj: Option P001 (at front panel) Digital Encoders: Option P220 |
Efficiency | 87% Typical |
Isolation | Input - Output: 3750Vrms(1 min) Creepage clearance; 8mm Input - Case: 2500Vrms Output - Case: 600VDC |
MTBF | 500,000hrs |
OUTPUT | |
---|---|
Output Voltage Range | 0-15V to 0-400V See Selection Table |
Output Current Range | 0-100A to 0-6A See Selection Table |
Output Power Range | 0 to 1500W See Selection Table |
Limits | Voltage adjust range: 0 - 102% Current adjust range: 0 - 102% |
ANALOG PROGRAMMING | |
---|---|
Programming Inputs: CV | Input Range: 0 - 5V Accuracy: +/-0.2% Offset: -0.1...+1.3mV (on 5V) Temp. coeff. offset:: 10uV/C Input Impedance: > 1Mohm |
Programming Inputs: CC | Input Range: 0 - 5V Accuracy: +/-0.5% Offset: 0...+2.2mV (on 5V) Temp. coeff. offset:: 50uV/C Input Impedance: > 1Mohm |
Monitoring Outputs: CV | Input Range: 0 - 5V Accuracy: +/-0.2% Offset: -1.1..0mV (on 5V) Temp. coeff. offset:: 3uV/C Output Impedance: > 2 ohm / max 4mA |
Monitoring Outputs: CC | Input Range: 0 - 5V Accuracy: +/-0.5% Offset: -1.1..0mV (on 5V) Temp. coeff. offset:: 60uV/C Output Impedance: > 2 ohm / max 4mA |
Reference voltage | Vref: 5.114V +/-15mV (Ro = 2ohm, max 4mA) TC: 20ppm |
+12V output | Vo: 12V+/-0.23V Imax: 0.2A Ro: 3ohm |
STANDARDS AND APPROVALS | |
---|---|
Power supply standard | EN61204-3, CISPR22-Class B |
General Emission | EN61000-6-3 (EN55022-B) |
General Immunity | EN61000-6-2 |
Safety | EN60950/EN61010 |
ENVIRONMENTAL | |
---|---|
Operating Temperature | -20°C to +50°C (100% load) Derate output to 75% at 60°C |
Temperature coefficient | 0.02%/°C |
Storage temperature | -40°C to +85°C |
Thermal Protection | Output shuts down in case of insufficient cooling |
Humidity | max 95% RH, non condensing up to 40°C max 75% RH, non condensing up to 50°C |
MECHANICAL | |
---|---|
Mounting | Stacking of units allowed, air flow is from left to right. |
Input Connector | IEC320/C20, EN60320/C20 |
Output Terminals | M8 bolts |
Programming Connector | 15 pole D-connector at rear panel (FEMALE) |
Enclosure | IP20 Protection |
Dimensions | 89 x 442 x 365mm Behind front panel (feet removed) 89 x 483mm, Front panel (19" 2U) |
Weight | 9.9kg |
OUTPUT | SM 15-100 | SM 35-45 | SM 52-30 | SM 52-AR-60 | SM 70-22 | SM 120-13 | SM 300-5 | SM 400-AR-8 |
---|---|---|---|---|---|---|---|---|
Output Voltage Range Output Current Range Autoranging (2 Ranges) Max Output Current/Voltage |
0 - 15V 0 - 100A No - - |
0 - 35V 0 - 45A No - - |
0 - 52V 0 - 60A No -- |
0 - 52V 0 - 60A Yes 60A / 0-28V 30A / 26-52V |
0 - 70V 0 - 22A No
|
0 - 120V 0 - 13A No - - |
0 - 300V 0 - 5A No - - |
0 - 400V 0 - 6A Yes 8A / 0-200V 4A - 200-400V |
Meters Scale voltage Scale current Accuracy |
3.5 digit 0 - 15.00 V 0 - 100 A 0.5% + 2d |
3.5 digit 0 - 35.0 V 0 - 45.0 A 0.5% + 2d |
3.5 digit 0 - 52.0 V 0 - 30.0 A 0.5% + 2d |
3.5 digit 0 - 52.0 V 0 - 60.0 A 0.5% + 2d |
3.5 digit 0 - 70.0 V 0 - 22.0 A 0.5% + 2d |
3.5 digit 0 - 120.0 V 0 - 13.0 A 0.5% + 2d |
3.5 digit 0 - 300.0 V 0 - 5.0 A 0.5% + 2d |
3.5 digit 0 - 400.0 V 0 - 8.0 A 0.5% + 2d |
PROGRAMMING SPEED STANDARD VERSION |
SM 15-100 |
SM 35-45 |
SM 52-30 |
SM 52-AR-60 |
SM 70-22 |
SM 120-13 |
SM 300-5 |
SM 400-AR-8 |
---|---|---|---|---|---|---|---|---|
Rise time (10 - 90%) Output voltage step Time, (100 % load) Time, (10 % load) |
0 - 15 V 6.1 ms 2.1 ms |
0 - 35 V 15.4 ms 5.1 ms |
0 - 52 V 7.3 ms 2.4 ms |
0 - 26 V 8.5 ms 2.8 ms |
0 - 70 V 13.2 ms 4.4 ms |
0 - 120 V 3.4 ms 2 ms |
0 - 300 V 9 ms 3.9 ms |
0 - 200 V 3.7 ms 2.6 ms |
Rise time (10 - 90%) Output voltage step Time, (100 % load) Time, (10 % load) |
0 - 52 V 34.2 ms 11 ms |
0 - 400 V 15 ms 5 ms |
||||||
Fall time (90 - 10%) Output voltage step Time, (100 % load) Time, (10 % load) |
15 - 0 V 61 ms 61 ms |
35 - 0 V 14.7 ms 147 ms |
52 - 0 V 7 ms 70 ms |
26 - 0 V 8.2 ms 82 ms |
70 - 0 V 12.9 ms 129 ms |
120 - 0 V 3.3 ms 33 ms |
300 - 0 V 9 ms 90 ms |
200 - 0 V 3.5 ms 35 ms |
Fall time (90 - 10%) Output voltage step Time, (100 % load) Time, (10 % load) |
52 - 0 V 33 ms 330 ms |
400 - 0 V 14.2 ms 142 ms |


INPUT | |
---|---|
Input voltages | 90 - 265Vac |
Input Frequency | 48 - 62Hz |
Power Factor | 0.99, with 50% load 0.98 |
Internal Fuse | 25AT |
Standby input power | 12W Vo=Io=0 |
OPERATING | |
---|---|
Relay Outputs | ACF: AC-Fail, both NOP and NC contact DCF: DC-Fail,both NO and NC contact output voltages +/-5% beyond set point |
Status Outputs | CC operation: 5V = logic1, (Ro = 500 Ohm) CV or CC limit: 5V = logic1, (Ro = 500 Ohm) OT: Over Termp: 5V = logic1, (Ro = 500 Ohm) PSOL, Powersink Overload: 5V = logic1, (Ro = 500 Ohm) ACF, AC Fail: 5V = logic1, (Ro = 500 Ohm) DCF DC Fail 5V = logic1, (Ro = 500 Ohm) |
Remote ShutDown | > with +5V, 1mA or relay contact |
Interlock | contact at rear of panel |
Indicators | Voltage meter, Amp meter, AC-Fail, DC-Fail, Over Temperature, Power Sink Overload, Remote Shutdown,, Remote-CV, Remote-CC, Output On,CV-limite, CV- and CC- mode |
Controls | Mains on/off switch, CV and VV potmeter, CV and CC limit potmeter, Displlay Settings button, Display limits button, Remote/Local button, Output On/off button, Fron panel lock button |
Series Operation | Max total voltage 600V Master / Slave oeration yes |
Parallel Operation | Max total current - No limit Master / Slave operation - max 4 units (including master) |
Remote Sensing | Max volt, drop per load lead: 2V |
Potentiometers & Encoders | From front panel: Standard .03% Screw driver adj: Option P001 (at front panel) Digital Encoders: Option P220 |
Efficiency | 87% Typical |
Isolation | Input - Output: 3750Vrms(1 min) Creepage clearance; 8mm Input - Case: 2500Vrms Output - Case: 600VDC |
MTBF | 500,000hrs |
OUTPUT | |
---|---|
Output Voltage Range | 0-15V to 0-400V See Selection Table |
Output Current Range | 0-100A to 0-6A See Selection Table |
Output Power Range | 0 to 1500W See Selection Table |
Limits | Voltage adjust range: 0 - 102% Current adjust range: 0 - 102% |
ANALOG PROGRAMMING | |
---|---|
Programming Inputs: CV | Input Range: 0 - 5V Accuracy: +/-0.2% Offset: -0.1...+1.3mV (on 5V) Temp. coeff. offset:: 10uV/C Input Impedance: > 1Mohm |
Programming Inputs: CC | Input Range: 0 - 5V Accuracy: +/-0.5% Offset: 0...+2.2mV (on 5V) Temp. coeff. offset:: 50uV/C Input Impedance: > 1Mohm |
Monitoring Outputs: CV | Input Range: 0 - 5V Accuracy: +/-0.2% Offset: -1.1..0mV (on 5V) Temp. coeff. offset:: 3uV/C Output Impedance: > 2 ohm / max 4mA |
Monitoring Outputs: CC | Input Range: 0 - 5V Accuracy: +/-0.5% Offset: -1.1..0mV (on 5V) Temp. coeff. offset:: 60uV/C Output Impedance: > 2 ohm / max 4mA |
Reference voltage | Vref: 5.114V +/-15mV (Ro = 2ohm, max 4mA) TC: 20ppm |
+12V output | Vo: 12V+/-0.23V Imax: 0.2A Ro: 3ohm |
STANDARDS AND APPROVALS | |
---|---|
Power supply standard | EN61204-3, CISPR22-Class B |
General Emission | EN61000-6-3 (EN55022-B) |
General Immunity | EN61000-6-2 |
Safety | EN60950/EN61010 |
ENVIRONMENTAL | |
---|---|
Operating Temperature | -20°C to +50°C (100% load) Derate output to 75% at 60°C |
Temperature coefficient | 0.02%/°C |
Storage temperature | -40°C to +85°C |
Thermal Protection | Output shuts down in case of insufficient cooling |
Humidity | max 95% RH, non condensing up to 40°C max 75% RH, non condensing up to 50°C |
MECHANICAL | |
---|---|
Mounting | Stacking of units allowed, air flow is from left to right. |
Input Connector | IEC320/C20, EN60320/C20 |
Output Terminals | M8 bolts |
Programming Connector | 15 pole D-connector at rear panel (FEMALE) |
Enclosure | IP20 Protection |
Dimensions | 89 x 442 x 365mm Behind front panel (feet removed) 89 x 483mm, Front panel (19" 2U) |
Weight | 9.9kg |
OUTPUT | SM 15-100 | SM 35-45 | SM 52-30 | SM 52-AR-60 | SM 70-22 | SM 120-13 | SM 300-5 | SM 400-AR-8 |
---|---|---|---|---|---|---|---|---|
Output Voltage Range Output Current Range Autoranging (2 Ranges) Max Output Current/Voltage |
0 - 15V 0 - 100A No - - |
0 - 35V 0 - 45A No - - |
0 - 52V 0 - 60A No -- |
0 - 52V 0 - 60A Yes 60A / 0-28V 30A / 26-52V |
0 - 70V 0 - 22A No
|
0 - 120V 0 - 13A No - - |
0 - 300V 0 - 5A No - - |
0 - 400V 0 - 6A Yes 8A / 0-200V 4A - 200-400V |
Meters Scale voltage Scale current Accuracy |
3.5 digit 0 - 15.00 V 0 - 100 A 0.5% + 2d |
3.5 digit 0 - 35.0 V 0 - 45.0 A 0.5% + 2d |
3.5 digit 0 - 52.0 V 0 - 30.0 A 0.5% + 2d |
3.5 digit 0 - 52.0 V 0 - 60.0 A 0.5% + 2d |
3.5 digit 0 - 70.0 V 0 - 22.0 A 0.5% + 2d |
3.5 digit 0 - 120.0 V 0 - 13.0 A 0.5% + 2d |
3.5 digit 0 - 300.0 V 0 - 5.0 A 0.5% + 2d |
3.5 digit 0 - 400.0 V 0 - 8.0 A 0.5% + 2d |
PROGRAMMING SPEED STANDARD VERSION |
SM 15-100 |
SM 35-45 |
SM 52-30 |
SM 52-AR-60 |
SM 70-22 |
SM 120-13 |
SM 300-5 |
SM 400-AR-8 |
---|---|---|---|---|---|---|---|---|
Rise time (10 - 90%) Output voltage step Time, (100 % load) Time, (10 % load) |
0 - 15 V 6.1 ms 2.1 ms |
0 - 35 V 15.4 ms 5.1 ms |
0 - 52 V 7.3 ms 2.4 ms |
0 - 26 V 8.5 ms 2.8 ms |
0 - 70 V 13.2 ms 4.4 ms |
0 - 120 V 3.4 ms 2 ms |
0 - 300 V 9 ms 3.9 ms |
0 - 200 V 3.7 ms 2.6 ms |
Rise time (10 - 90%) Output voltage step Time, (100 % load) Time, (10 % load) |
0 - 52 V 34.2 ms 11 ms |
0 - 400 V 15 ms 5 ms |
||||||
Fall time (90 - 10%) Output voltage step Time, (100 % load) Time, (10 % load) |
15 - 0 V 61 ms 61 ms |
35 - 0 V 14.7 ms 147 ms |
52 - 0 V 7 ms 70 ms |
26 - 0 V 8.2 ms 82 ms |
70 - 0 V 12.9 ms 129 ms |
120 - 0 V 3.3 ms 33 ms |
300 - 0 V 9 ms 90 ms |
200 - 0 V 3.5 ms 35 ms |
Fall time (90 - 10%) Output voltage step Time, (100 % load) Time, (10 % load) |
52 - 0 V 33 ms 330 ms |
400 - 0 V 14.2 ms 142 ms |


Find the Right Model
Model Number | Input Voltage (Vac) | Output Voltage Range (Vdc) | Output Current Range (A) | ||
---|---|---|---|---|---|
![]() |
SM15-100 | 90...265Vac, 50/60Hz | 0 - 15Vdc | 0 - 100A | |
![]() |
SM35-45 | 90...265Vac, 50/60Hz | 0 - 35Vdc | 0 - 45A | |
![]() |
SM52-30 | 90...265Vac, 50/60Hz | 0 - 52Vdc | 0 - 30A | |
![]() |
SM52-AR-60 (Auto-Ranging) | 90...265Vac, 50/60Hz | 0 - 26Vdc / 0 - 52Vdc | 0 - 60A / 0 - 30A | |
![]() |
SM70-22 | 90...265Vac, 50/60Hz | 0 - 70Vdc | 0 - 22A | |
![]() |
SM120-13 | 90...265Vac, 50/60Hz | 0 - 120Vdc | 0 - 13A | |
![]() |
SM300-5 | 90...265Vac, 50/60Hz | 0 - 300Vdc | 0 - 5A | |
![]() |
SM400-AR-8 (Auto-Ranging) | 90...265Vac, 50/60Hz | 0 - 200Vdc / 0 - 400Vdc | 0 - 8A / 0 - 4A |
Need help finding the right product model?


