General information
product brand nameSITOP
product type designationPSU3800
product designationPower supply SITOP modular
type of current supply12 V/20 A
input
type of the power supply network3-phase AC
phase number3
voltage curve at inputAC
minimum rated value400 V
maximum rated value500 V
initial value320 V
full-scale value575 V
at 50 Hz400 V
at 60 Hz500 V
line frequency50/60 Hz
line frequency47 ... 63 Hz
wide range inputYes
buffering time for rated value of the output current in the event of power failure minimum15 ms
operating condition of the mains bufferingat Vin = 400 V
at rated input voltage 400 V0.7 A
at rated input voltage 500 V0.6 A
current limitation of inrush current at 25 °C maximum16 A
I2t value maximum0.8 A²·s
fuse protection typenone
fuse protection type in the feederRequired: 3-pole connected miniature circuit breaker 6 ... 16 A characteristic C or circuit breaker 3RV2011-1DA10 (setting 3 A) or 3RV2711-1DD10 (UL 489)
output
voltage curve at outputControlled, isolated DC voltage
product function output voltage controlledYes
product function output voltage stabilizedYes
output voltage at DC rated value12 V
at output 1 at DC rated value12 V
at output 1 at DC12 V
output voltage adjustableYes; via potentiometer
adjustable output voltage12 ... 14 V; max. 240 W
relative overall tolerance of the voltage3 %
on slow fluctuation of input voltage0.1 %
on slow fluctuation of ohm loading0.2 %
maximum100 mV
maximum200 mV
display version for normal operationGreen LED for 12 V OK
type of signal at outputRelay contact (NO contact, rating 60 V DC/ 0.3 A) for 12 V OK
behavior of the output voltage when switching onNo overshoot of Vout (soft start)
response delay maximum2.5 s
maximum500 ms
rated value20 A
rated range0 ... 20 A; +60 ... +70 °C: Derating 2%/K
supplied active power typical240 W
on short-circuiting during the start-up typical22 A
bridging of equipmentYes; switchable characteristic
number of parallel-switched equipment resources for increasing the power2
efficiency
efficiency in percent91 %
at rated output voltage for rated value of the output current typical24 W
closed-loop control
relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical0.1 %
relative control precision of the output voltage load step of resistive load 50/100/50 % typical1 %
load step 50 to 100% typical0.2 ms
load step 100 to 50% typical0.2 ms
relative control precision of the output voltage at load step of resistive load 10/90/10 % typical2 %
load step 10 to 90% typical0.2 ms
load step 90 to 10% typical0.2 ms
maximum10 ms
protection and monitoring
design of the overvoltage protection< 18 V
property of the output short-circuit proofYes
design of short-circuit protectionAlternatively, constant current characteristic approx. 22 A or latching shutdown
typical22 A
typical22 A
display version for overload and short circuitLED yellow for "overload", LED red for "latching shutdown"
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
typical0.9 mA
protection class IPIP20
EMC
for emitted interferenceEN 55022 Class B
for mains harmonics limitationEN 61000-3-2
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
Regulatory Compliance Mark (RCM)Yes
NEC Class 2No
SEMI F47Yes
CB-certificateYes
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)Yes
French marine classification society (BV)No
Det Norske Veritas (DNV)Yes
Lloyds Register of Shipping (LRS)No
standards, specifications, approvals Environmental Product Declaration
Environmental Product DeclarationYes
total636.9 kg
during manufacturing28.7 kg
during operation607.6 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 inputL1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded
at output+, -: 2 screw terminals each for 0.2 ... 4 mm²
for auxiliary contacts13, 14 (alarm signal): 1 screw terminal each for 0.14 ... 1.5 mm²; 15, 16 (Remote): 1 screw terminal each for 0.14 ... 1.5 mm²
mechanical data
width × height × depth of the enclosure70 × 125 × 125 mm
installation width × mounting height70 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 weight1.2 kg
accessories
electrical accessoriesBuffer module
mechanical accessoriesDevice identification label 20 mm × 7 mm, pale turquoise 3RT1900-1SB20
further information internet links
identification linkYes; acc. to IEC 61406-1:2022
additional information
other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing28.7 kg
global warming potential [CO2 eq] / during operation607.6 kg
global warming potential [CO2 eq] / after end of life0.24 kg
global warming potential [CO2 eq] / total636.9 kg