General information
product brand nameSITOP
product type designationPSU100S
product designationPower supply SITOP smart
type of current supply24 V/2.5 A
input
type of the power supply network1-phase AC
phase number1
voltage curve at inputAC
supply voltage at ACAutomatic range selection
supply voltage120 V/230 V
input voltage 1 at AC85 ... 132 V
input voltage 2 at AC170 ... 264 V
at 50 Hz230 V
at 60 Hz120 V
line frequency50/60 Hz
line frequency47 ... 63 Hz
wide range inputNo
overvoltage overload capability2.3 × Vin rated, 1.3 ms
buffering time for rated value of the output current in the event of power failure minimum20 ms
operating condition of the mains bufferingat Vin = 93/187 V
at rated input voltage 120 V1.25 A
at rated input voltage 230 V0.74 A
current limitation of inrush current at 25 °C maximum33 A
I2t value maximum0.4 A²·s
fuse protection typeT 3,15 A/250 V (not accessible)
fuse protection type in the feederRecommended miniature circuit breaker: from 3 A characteristic C
output
voltage curve at outputControlled, isolated DC voltage
product function output voltage controlledYes
product function output voltage stabilizedYes
output voltage at DC rated value24 V
at output 1 at DC rated value24 V
at output 1 at DC24 V
output voltage adjustableYes; via potentiometer
adjustable output voltage22.8 ... 28 V
relative overall tolerance of the voltage3 %
on slow fluctuation of input voltage0.1 %
on slow fluctuation of ohm loading1 %
maximum150 mV
typical30 mV
maximum240 mV
typical70 mV
display version for normal operationGreen LED for 24 V OK
type of signal at outputRelay contact (NO contact, rating 60 V DC/ 0.3 A) for "24 V OK"
behavior of the output voltage when switching onOvershoot of Vout < 3 %
response delay maximum0.3 s
typical15 ms
rated value2.5 A
rated range0 ... 3 A; 3 A up to +45°C; +60 ... +70 °C: Derating 3%/K
supplied active power typical60 W
on short-circuiting during the start-up typical9 A
at short-circuit during operation typical8 A
on short-circuiting during the start-up800 ms
at short-circuit during operation100 ms
bridging of equipmentYes
number of parallel-switched equipment resources for increasing the power2
efficiency
efficiency in percent85 %
at rated output voltage for rated value of the output current typical10 W
closed-loop control
relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical0.3 %
relative control precision of the output voltage at load step of resistive load 10/90/10 % typical5 %
load step 10 to 90% typical1 ms
load step 90 to 10% typical1 ms
protection and monitoring
design of the overvoltage protectionprotection against overvoltage in case of internal fault Vout < 33 V
property of the output short-circuit proofYes
design of short-circuit protectionConstant current characteristic
response value current limitation3 ... 3.4 A
in normal operationoverload capability 150 % Iout rated up to 5 s/min
typical3.4 A
safety
galvanic isolation between input and outputYes
galvanic isolationOutput voltage: SELV, ES1 (IEC 62368-1), DVC As (IEC 61204-7)
operating resource protection classClass I
maximum3.5 mA
typical0.4 mA
protection class IPIP20
EMC
for emitted interferenceEN 55022 Class B
for mains harmonics limitationnot applicable
for interference immunityEN 61000-6-2
standards, specifications, approvals
CE markingYes
UL approvalYes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259
UKCA markingYes
EAC approvalYes
NEC Class 2No
CB-certificateYes
MTBF at 40 °C1 804 044 h
standards, specifications, approvals hazardous environments
IECExNo
ATEXNo
ULhazloc approvalNo
FM registrationNo
standards, specifications, approvals marine classification
shipbuilding approvalYes
American Bureau of Shipping Europe Ltd. (ABS)No
French marine classification society (BV)Yes
Det Norske Veritas (DNV)Yes
Lloyds Register of Shipping (LRS)No
standards, specifications, approvals Environmental Product Declaration
Environmental Product DeclarationYes
total252.6 kg
during manufacturing8.2 kg
during operation244 kg
after end of life0.24 kg
ambient conditions
during operation-25 ... +70 °C; with natural convection
during transport-40 ... +85 °C
during storage-40 ... +85 °C
environmental category according to IEC 60721Climate class 3K3, 5 ... 95% no condensation
connection method
type of electrical connectionscrew terminal
at inputL, N, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded
at output+, -: 2 screw terminals each for 0.5 ... 2.5 mm²
for auxiliary contactsAlarm signals: 2 screw terminals for 0.5 ... 2.5 mm²
for signaling contact2 screw terminals for 0.5 ... 2.5 mm²
mechanical data
width × height × depth of the enclosure32.5 × 125 × 120 mm
installation width × mounting height32.5 mm × 225 mm
top50 mm
bottom50 mm
left0 mm
right0 mm
fastening methodSnaps onto DIN rail EN 60715 35x7.5/15
DIN-rail mountingYes
S7 rail mountingNo
wall mountingNo
housing can be lined upYes
net weight0.32 kg
accessories
electrical accessoriesBuffer module
mechanical accessoriesDevice identification label 20 mm × 7 mm, pale turquoise 3RT1900-1SB20
additional information
other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing8.2 kg
global warming potential [CO2 eq] / during operation244 kg
global warming potential [CO2 eq] / after end of life0.24 kg
global warming potential [CO2 eq] / total252.6 kg