Siemens 6ES7277-0AA20-0XA0 – EM277
Siemens 6ES7277-0AA20-0XA0 – EM277 from the S7-200 range. Status: discontinued by the manufacturer, no longer available new; successor 6ES7277-0AA21-0XA0. Van Haelen supplies it refurbished, with a 24-month warranty.
The Siemens 6ES7277-0AA20-0XA0 is a S7-1200/1500 control component from the Simatic S7 (S7-200) range. Manufacturer type designation: EM277. Status: discontinued by the manufacturer, no longer available new; successor according to the manufacturer: 6ES7277-0AA21-0XA0. Key data: weight 0.2 kg, dimensions 16,50 x 4,50 x 7,20 cm, HS code 85389091. When replacing, check the product version (issue) on the rating plate; for most installations the same or a higher issue is suitable. 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 | 6ES7277-0AA20-0XA0 |
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| Type designation | EM277 |
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| Series | S7-200 |
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| Manufacturer status | discontinued by the manufacturer, no longer available new |
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| Successor | 6ES7277-0AA21-0XA0 |
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| ETIM | EC001419 |
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| HS code | 85389091 |
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| Weight | 0,2 kg |
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| Dimensions | 16,50 x 4,50 x 7,20 cm |
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Documentation from the manufacturer
All products of the S7-200 series
Frequently asked questions
Is the 6ES7277-0AA20-0XA0 still available?
Not new from the manufacturer any more: the 6ES7277-0AA20-0XA0 was discontinued. Van Haelen supplies it refurbished and tested.
What is the successor of the 6ES7277-0AA20-0XA0?
According to the manufacturer it is the 6ES7277-0AA21-0XA0. A successor does not always fit an existing installation without changes; replacing like for like is often the fastest route. If in doubt, ask us.
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.
What should I check when replacing a 6ES7277-0AA20-0XA0?
Check the product version (issue) on the rating plate; for most installations the same or a higher issue is suitable.
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.