General information
product brand nameSITOP
product type designationPSU300E
product designationPower supply SITOP
type of current supply24 V/5 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 value550 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 minimum50 ms
operating condition of the mains bufferingat Vin = 400 V
at rated input voltage 400 V0.36 A
at rated input voltage 500 V0.29 A
current limitation of inrush current at 25 °C maximum15 A
I2t value maximum0.9 A²·s
fuse protection typenone
fuse protection type in the feederRequired: 3-pole connected miniature circuit breaker 6 A characteristic B or 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 value24 V
at output 1 at DC rated value24 V
at output 1 at DC24 V
output voltage adjustableYes; via potentiometer
adjustable output voltage24 ... 29 V; max. 120 W
relative overall tolerance of the voltage3 %
on slow fluctuation of input voltage3 %
on slow fluctuation of ohm loading3 %
maximum150 mV
typical35 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 approx. 3 %
response delay maximum0.5 s
typical10 ms
maximum100 ms
rated value5 A
rated range0 ... 5 A
supplied active power typical120 W
on short-circuiting during the start-up typical33 A
at short-circuit during operation typical28 A
on short-circuiting during the start-up140 ms
at short-circuit during operation135 ms
bridging of equipmentNo
efficiency
efficiency in percent90 %
at rated output voltage for rated value of the output current typical13 W
closed-loop control
relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical3 %
relative control precision of the output voltage load step of resistive load 50/100/50 % typical5 %
load step 50 to 100% typical1 ms
load step 100 to 50% typical1 ms
relative control precision of the output voltage at load step of resistive load 10/90/10 % typical1 %
load step 10 to 90% typical1 ms
load step 90 to 10% typical1 ms
maximum30 ms
protection and monitoring
design of the overvoltage protection< 60 V
property of the output short-circuit proofYes
design of short-circuit protectionElectronic shutdown, automatic restart
typical11 A
maximum7.5 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
protection class IPIP20
EMC
for emitted interferenceEN 55022 Class A
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
EAC approvalYes
NEC Class 2No
CB-certificateNo
MTBF at 40 °C2 389 441 h
standards, specifications, approvals hazardous environments
IECExNo
ATEXNo
ULhazloc approvalNo
FM registrationNo
standards, specifications, approvals marine classification
shipbuilding approvalNo
American Bureau of Shipping Europe Ltd. (ABS)No
French marine classification society (BV)No
Det Norske Veritas (DNV)No
Lloyds Register of Shipping (LRS)No
ambient conditions
during operation0 ... 60 °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: Removable screw terminal for 0.5 ... 2.5 mm² single-core/finely stranded
at output+, -: 2 screw terminals each for 0.5 ... 2.5 mm²
for auxiliary contacts13, 14 (alarm signal): 1 screw terminal each for 0.5 ... 2.5 mm²
removable terminal at inputYes
removable terminal at outputYes
mechanical data
width × height × depth of the enclosure42 × 125 × 125 mm
installation width × mounting height42 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 weight0.6 kg
additional information
other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)