Siemens A5E30947477-H4
Siemens A5E30947477-H4 – Power supplies from the SIMATIC range. Status: discontinued by the manufacturer, no longer available new. Van Haelen supplies it refurbished or new in sealed factory packaging, with a 24-month warranty.
Also written as: A5E30947477H4
The Siemens A5E30947477-H4 is a industrial automation component from the SIMATIC range. Status: discontinued by the manufacturer, no longer available new. Key data: weight 0.65 kg, HS code 85371091. Ask us about exchange, repair and a spare-parts pool for your installation.
Available as
Product data
| Manufacturer | Siemens |
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| Part number | A5E30947477-H4 |
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| Series | SIMATIC |
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| Manufacturer status | discontinued by the manufacturer, no longer available new |
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| ETIM | EC002540 |
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| HS code | 85371091 |
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| Country of origin | DE |
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| Weight | 0,65 kg |
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Documentation from the manufacturer
All products of the SIMATIC series
All Power supplies
Faults and fixes A5E30947477-H4
Problems with A5E30947477-H4: no 24 V, LED off or flashing
LED off: check the mains voltage and the input fuse. LED flashing or the output coming back briefly again and again: the supply is in overload protection (hiccup), usually because of a short circuit or too heavy a load on the 24 V side. Disconnect the load: if the 24 V returns, the fault is in the installation, not in the supply.
A5E30947477-H4: output voltage sags or ripple increases
A supply that sags under load after years or shows more ripple usually has aged electrolytic capacitors. This shows as sporadic CPU resets, modules reporting SF or panels restarting. Replacement is then the reliable remedy; a refurbishment replaces these capacitors and tests the supply under load.
Fault not fixed: replace, exchange or repair the A5E30947477-H4?
Replacing from stock is the fastest route when a machine is down. Van Haelen supplies the A5E30947477-H4 refurbished (tested, with a test report per serial number) or new in factory packaging, with a 24-month warranty. The current lead time is shown with the condition on this page. Prefer an exchange: you get a refurbished unit straight away and return the faulty one within 14 days. Repairing your own unit is also possible: diagnosis, then a fixed price.
What information should I send for a quick diagnosis?
A photo of the rating plate (order number, product version, firmware), the exact fault code or LED state, when the fault occurs (at power-up, on enable, under load) and what you have already tried. For PLCs an export of the diagnostic buffer, for drives the parameter set. With that we can usually say the same day whether replacing, exchanging or repairing is best.
Frequently asked questions
Is the A5E30947477-H4 still available?
Not new from the manufacturer any more: the A5E30947477-H4 was discontinued. Van Haelen supplies it refurbished and tested.
What does refurbished mean?
Cleaned, inspected, aged or critical components replaced and tested to our test protocol for this product family. You get a 24-month warranty, a test report and a serial number label.
Can I exchange or repair my faulty unit?
Yes. With an exchange Van Haelen supplies a refurbished unit straight away and you return the faulty one. With a repair you first get a diagnosis and then a fixed price, with test report and warranty.