SITOP PSU100S 24 V/5 A Stabilized power supply input: 120/230 V AC, output: 24 V DC/5 A
● 1 at AC Rated value
● 2 at AC Rated value
Automatic range selection
● 1 at AC
85 ... 132 V
● 2 at AC
170 ... 264 V
2.3 × Vin rated, 1.3 ms
Mains buffering at Iout rated, min.
20 ms; at Vin = 93/187 V
Rated line frequency 1
Rated line frequency 2
Rated line range
47 ... 63 Hz
● at rated input voltage 120 V
● at rated input voltage 230 V
Switch-on current limiting (+25 °C), max.
Built-in incoming fuse
T 3,15 A/250 V (not accessible)
Protection in the mains power input (IEC 898)
Recommended miniature circuit breaker: from 6 A characteristic C
Controlled, isolated DC voltage
Rated voltage Vout DC
Total tolerance, static ±
Static mains compensation, approx.
Static load balancing, approx.
Residual ripple peak-peak, max.
Residual ripple peak-peak, typ.
Spikes peak-peak, max. (bandwidth: 20 MHz)
Spikes peak-peak, typ. (bandwidth: 20 MHz)
22.8 ... 28 V
Product function Output voltage adjustable
Output voltage setting
Green LED for 24 V OK
Relay contact (NO contact, rating 60 V DC/ 0.3 A) for "24 V OK"
Overshoot of Vout < 3 %
Startup delay, max.
Voltage rise, typ.
Rated current value Iout rated
0 ... 6 A
6 A up to +45°C; +60 ... +70 °C: Derating 1.6%/K
Supplied active power typical
Short-term overload current
● on short-circuiting during the start-up typical
● at short-circuit during operation typical
Duration of overloading capability for excess current
● on short-circuiting during the start-up
● at short-circuit during operation
Parallel switching for enhanced performance
Numbers of parallel switchable units for enhanced performance
Efficiency at Vout rated, Iout rated, approx.
Power loss at Vout rated, Iout rated, approx.
Dynamic mains compensation (Vin rated ±15 %), max.
Dynamic load smoothing (Iout: 10/90/10 %), Uout ± typ.
Load step setting time 10 to 90%, typ.
Load step setting time 90 to 10%, typ.
Protection and monitoring
Output overvoltage protection
protection against overvoltage in case of internal fault Vout < 33 V
6 ... 7.1 A
Property of the output Short-circuit proof
Constant current characteristic
Enduring short circuit current RMS value
Overcurrent overload capability in normal operation
overload capability 150 % Iout rated up to 5 s/min
Safety extra-low output voltage Uout acc. to EN 60950-1 and EN 50178
UL/cUL (CSA) approval
cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cCSAus (CSA C22.2 No. 60950-1, UL 60950-1)
IECEx Ex nA nC IIC T4 Gc; ATEX (EX) II 3G Ex nA nC IIC T4 Gc; cULus Class I Div. 2 (ANSI/ISA-12.12.01-2007, CSA C22.2 No. 213-M1987) Group ABCD, T4; cCSAus (CSA C22.2 No. 213, ANSI/ISA-12.12.01) Class I, Div. 2, Group ABCD, T4
BV, DNV GL
Degree of protection (EN 60529)
EN 55022 Class B
Supply harmonics limitation
● during operation
-25 ... +70 °C
with natural convection
● during transport
-40 ... +85 °C
● during storage
-40 ... +85 °C
Humidity class according to EN 60721
Climate class 3K3, no condensation
● Supply input
L, N, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded
Alarm signals: 2 screw terminals for 0.5 ... 2.5 mm²
Connections signaling contact
2 screw terminals for 0.5 ... 2.5 mm²
Width of the enclosure
Height of the enclosure
Depth of the enclosure
Product feature of the enclosure housing for side-by-side mounting
Snaps onto DIN rail EN 60715 35x7.5/15
Device identification label 20 mm × 7 mm, pale turquoise 3RT1900-1SB20
MTBF at 40 °C
1 998 441 h
Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)
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