Delta Elektronika SM800 SERIES Laboratory Power Supply

Laboratory Power Supplies

Delta Elektronika SM800 SERIES Laboratory Power Supply

The Delta Elektronika SM800 Series is a versatile and compact DC power supply designed to meet the demanding requirements of laboratory, industrial, and research applications. Delivering up to 800W of stable output, with voltage ranges from 7.5V to 400V and current capacities up to 80A, this series ensures precise performance for sensitive operations. Its half-width 2U design allows for efficient 19” rack mounting or standalone use in space-constrained setups.

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Features

800W Laboratory Supply
Ranges 0-7.5V to 0-400V and 0-80A to 0 - 4A
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 emission & high Immunity Optional High speed programing. Interfaces Optional

Specifications

INPUT
Input voltages	90 - 265Vac
Input Frequency	48 - 62Hz
Power Factor	Better than 0.99 at full load
Input Current	1.0A @ 230Vac
Inrush current	22A at 230VAC
Internal Fuse	12.5AT
Standby Input Current	14W when 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 = logice1, (Ro = 500 Ohm) DCF DC Fail 5V = logice1, (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
Limits	Voltage adjust range: 0 - 102% Current adjust range: 0 - 102%
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	0-7.5V to 0-400V Auto ranging models See Selection Table
Output Current Range	0-80A to 0-4A Auto ranging models See Selection Table
Output Power Range	0 to 800W See Selection Table

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	M5 bolts
Programming Connector	15 pole D-connector at rear panel (FEMALE)
Enclosure	IP20 Protection
Dimensions	86 x 221 x 406mm Behind front panel (feet removed) 89 x 222mm, Front panel (1/2 19" 2U)
Weight	5.4kg

Selection Table

OUTPUT	SM 7.5-80	SM 18-50	SM 70-AR-24	SM 400-AR-4
Output Voltage Range	0 - 7.5V	0 - 18V	0 - 70V	0 - 400V
Output Current Range	0 - 80A	0 - 50A	0 - 24A	0 - 4A
Autoranging (2 Ranges)	No	No	Yes	Yes
Max Output Current/Voltage	-	-	24A / 0-35V	4A / 0-200V
	-	-	12A / 35 - 70V	2A / 200 - 400V
Metres	3.5 digit
Scale Voltage	0-7.500 V	0-18.0 V	0-70.0 V	0-400.0 V
Scale Current	0-80 A	0-50.0 A	0-24.0 A	0-4.0 A
Accuracy	0.5% + 2 digit

PROGRAMMING SPEED STANDARD VERSION
	SM 7.5-80	SM 18-50	SM 70-AR-24	SM 400-AR-4
RISE TIME (10 - 90%)
Output voltage step	0 - 7.5 V	0 - 16 V	0 - 35 V	0 - 200 V
Time, (100 % load)	6.5 ms	12 ms	6 ms	4 ms
Time, (10 % load)	2.5 ms	5 ms	2.5 ms	2 ms
Output voltage step	-	-	0 - 70 V	0 - 400 V
Time, (100 % load)	-	-	10 ms	8 ms
Time, (10 % load)	-	-	7 ms	5 ms
FALL TIME (90 - 10%)	-	-	-	-
Output voltage step	7.5 - 0 V	16 - 0 V	35 - 0 V	200 - 0 V
Time, (100 % load)	6.5 ms	12 ms	6 ms	4 ms
Time, (10 % load)	62 ms	120 ms	60 ms	42 ms
Output voltage step	-	-	70 - 0 V	400 - 0 V
Time, (100 % load)	-	-	25 ms	15 ms
Time, (10 % load)	-	-	250 ms	155 ms

Technical Illustrations

Downloads

SM800_DTS_V202404.pdf

INPUT
Input voltages	90 - 265Vac
Input Frequency	48 - 62Hz
Power Factor	Better than 0.99 at full load
Input Current	1.0A @ 230Vac
Inrush current	22A at 230VAC
Internal Fuse	12.5AT
Standby Input Current	14W when 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 = logice1, (Ro = 500 Ohm) DCF DC Fail 5V = logice1, (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
Limits	Voltage adjust range: 0 - 102% Current adjust range: 0 - 102%
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	0-7.5V to 0-400V Auto ranging models See Selection Table
Output Current Range	0-80A to 0-4A Auto ranging models See Selection Table
Output Power Range	0 to 800W See Selection Table

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	M5 bolts
Programming Connector	15 pole D-connector at rear panel (FEMALE)
Enclosure	IP20 Protection
Dimensions	86 x 221 x 406mm Behind front panel (feet removed) 89 x 222mm, Front panel (1/2 19" 2U)
Weight	5.4kg

OUTPUT	SM 7.5-80	SM 18-50	SM 70-AR-24	SM 400-AR-4
Output Voltage Range	0 - 7.5V	0 - 18V	0 - 70V	0 - 400V
Output Current Range	0 - 80A	0 - 50A	0 - 24A	0 - 4A
Autoranging (2 Ranges)	No	No	Yes	Yes
Max Output Current/Voltage	-	-	24A / 0-35V	4A / 0-200V
	-	-	12A / 35 - 70V	2A / 200 - 400V
Metres	3.5 digit
Scale Voltage	0-7.500 V	0-18.0 V	0-70.0 V	0-400.0 V
Scale Current	0-80 A	0-50.0 A	0-24.0 A	0-4.0 A
Accuracy	0.5% + 2 digit

PROGRAMMING SPEED STANDARD VERSION
	SM 7.5-80	SM 18-50	SM 70-AR-24	SM 400-AR-4
RISE TIME (10 - 90%)
Output voltage step	0 - 7.5 V	0 - 16 V	0 - 35 V	0 - 200 V
Time, (100 % load)	6.5 ms	12 ms	6 ms	4 ms
Time, (10 % load)	2.5 ms	5 ms	2.5 ms	2 ms
Output voltage step	-	-	0 - 70 V	0 - 400 V
Time, (100 % load)	-	-	10 ms	8 ms
Time, (10 % load)	-	-	7 ms	5 ms
FALL TIME (90 - 10%)	-	-	-	-
Output voltage step	7.5 - 0 V	16 - 0 V	35 - 0 V	200 - 0 V
Time, (100 % load)	6.5 ms	12 ms	6 ms	4 ms
Time, (10 % load)	62 ms	120 ms	60 ms	42 ms
Output voltage step	-	-	70 - 0 V	400 - 0 V
Time, (100 % load)	-	-	25 ms	15 ms
Time, (10 % load)	-	-	250 ms	155 ms

SM800_DTS_V202404.pdf

Find the Right Model

Model Number	Input Voltage (Vac)	Output Voltage Range (Vdc)	Output Current Range (A)
SM7.5-80	90...265Vac, 50/60Hz	0 - 7.5Vdc	0 - 80A	Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Product you're enquiring about Product Model Need assistance SM7.5-80 SM18-50 SM70-AR-24 (Auto-Ranging) SM400-AR-4 (Auto-Ranging) Message (optional) Enquire Now
SM18-50	90...265Vac, 50/60Hz	0 - 18Vdc	0 - 50A	Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Product you're enquiring about Product Model Need assistance SM7.5-80 SM18-50 SM70-AR-24 (Auto-Ranging) SM400-AR-4 (Auto-Ranging) Message (optional) Enquire Now
SM70-AR-24 (Auto-Ranging)	90...265Vac, 50/60Hz	0 - 35Vdc / 0 - 70Vdc	0 - 24A / 0 - 12A	Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Product you're enquiring about Product Model Need assistance SM7.5-80 SM18-50 SM70-AR-24 (Auto-Ranging) SM400-AR-4 (Auto-Ranging) Message (optional) Enquire Now
SM400-AR-4 (Auto-Ranging)	90...265Vac, 50/60Hz	0 - 200Vdc / 0 - 400Vdc	0 - 4A / 0 - 2A	Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Product you're enquiring about Product Model Need assistance SM7.5-80 SM18-50 SM70-AR-24 (Auto-Ranging) SM400-AR-4 (Auto-Ranging) Message (optional) Enquire Now

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