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Siemens 6AG1331-1SH03-7AA0 — PLC I/O & Expansion Modules

Siemens 6AG1331-1SH03-7AA0 Power Supply, 24VDC 1.3A

MPN6AG1331-1SH03-7AA0
Obsolete

Siemens 6AG1331-1SH03-7AA0 power supply, AC input 100-240 V, 50/60 Hz, DC output 24 V / 1.3 A rated (2.4 A max), adjustable output, DIN rail mount, IP20, active production.

$680.16Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

6AG1331-1SH03-7AA0 key specifications
ParameterValue
Fuse protection typeinternal
Type of electrical connectionscrew-type terminals
Type of output voltage settingvia potentiometer
Type of the power supply network1-phase AC or DC
Voltage curve at outputControlled, isolated DC voltage
Adjustable output voltage22.2 ... 26.4 V
At rated input voltage 1200.7 A
At rated input voltage 2300.35 A
Output voltage at DC rated value24 V
On slow fluctuation of input voltage0.1 %
Relative overall tolerance of the voltage3 %
Product function output voltage adjustableYes

All specifications

6AG1331-1SH03-7AA0 additional specifications
ParameterValue
Behavior of the output voltage when switching onNo overshoot of Vout (soft start)
At rated output voltage for rated value of the output current typical6 W
Relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical0.2 %
Design of Short-Circuit protectionConstant current characteristic
Property of the output Short-Circuit proofYes
Current limitation of inrush current at 25 °C maximum25 A
Buffering time for rated value of the output current in the event of power failure minimum40 ms
Supplied active power typical30 W
Number of Parallel-Switched equipment resources for increasing the power2
Line frequency47 ... 63 Hz
Depth of the enclosure55 mm
Width of the enclosure54 mm
Height of the enclosure90 mm
Product feature of the enclosure housing can be lined upYes
Ambient condition relating to ambient temperature - air pressure - installation altitudeTmin ... Tmax at 1140 hPa ... 795 hPa (-1000 m ... +2000 m); Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m); Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m)
CE markingYes
Top20 mm
Left0 mm
Right0 mm
At DC110 ... 300 V
Bottom20 mm
Typical1.7 A
At inputL, N: 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
Rated range0 ... 1.3 A; +55 ... +70 °C: Derating 2%/K
Rated value1.3 A
1 rated value50 Hz
2 rated value60 Hz
In the feederRecommended miniature circuit breaker: from 6 A characteristic B or from 2 A characteristic C
Initial value85 V
MountingSnaps onto DIN rail EN 60715 35x7.5/15
Full-Scale value264 V
I2t value maximum0.8 A²·s
Other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)
Galvanic isolationSafety extra-low output voltage Uout acc. to EN 60950-1 and EN 50178
Maximum rated value240 V
Minimum rated value100 V
Protection class IPIP20
Bridging of equipmentYes
Efficiency in percent85 %
Response delay maximum0.5 s
For emitted interferenceEN 55022 Class B
For interference immunityEN 61000-6-2
Load step 10 to 90% typical1 ms
Load step 90 to 10% typical1 ms
At output 1 at DC rated value24 V
Overvoltage overload capability2.3 × Vin rated, 1.3 ms
Design of input wide range inputYes
On slow fluctuation of ohm loading1.5 %
Operating resource protection classClass II (without protective conductor)
Design of the overvoltage protectionYes, according to EN 60950-1
Display version for normal operationGreen LED for output voltage OK
Operating condition of the mains bufferingat Vin = 187 V
Galvanic isolation between input and outputYes

Product details

The unit ships as a complete power supply — no holes in the box. The package contains the 6AG1331-1SH03-7AA0 with screw terminals for input (L, N, each 0.5…2.5 mm²) and output (+, –, each with two terminals for 0.5…2.5 mm²). Internal fuse is fitted; an external miniature circuit breaker (6 A char. B or 2 A char. C) is recommended for the feeder but not included. Snaps onto standard DIN rail EN 60715 35×7.5/15. No separate mounting bracket required.

Rated output is 1.3 A at 24 VDC, 50/60 Hz input. Above +55 °C ambient, derate 2% per K up to +70 °C. The maximum short-term current is 2.4 A; the I²t limit is 0.8 A²s, so the unit can handle motor inrush or capacitor charging within that energy envelope. Output voltage is adjustable 22.2…26.4 V — useful for compensating voltage drop on long cable runs. Response to a load step (10→90% or 90→10%) is 1 ms typical. Input range covers 100…240 VAC, 47…63 Hz, with initial inrush limited to 85 V minimum startup voltage. Efficiency is 85 % typical. Galvanic isolation provides SELV output per EN 60950-1 and EN 50178, so it's suitable for supplying 24 VDC control circuits and sensors.

Clearance and panel placement

Physical envelope: 54 mm wide, 90 mm high, 55 mm deep. Required free space around the unit: 20 mm above, 20 mm below, 0 mm left/right. IP20 rated — install in a suitable enclosure. EMC: EN 55022 Class B for residential and light industrial; immunity per EN 61000-6-2.

Frequently asked questions

What compliance documentation does this power supply carry?

CE marked, with galvanic isolation to SELV per EN 60950-1 and EN 50178. Conducted and radiated emissions meet EN 55022 Class B; immunity per EN 61000-6-2.

What are the required clearances around this power supply?

20 mm top, 20 mm bottom, 0 mm left, 0 mm right are specified for airflow and safe operation.

What input overcurrent protection is recommended?

Siemens recommends a miniature circuit breaker: 6 A characteristic B or 2 A characteristic C in the feeder circuit.

MPN
6AG1331-1SH03-7AA0