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Product description
The SIMATIC C7-621 6ES7621-1AD00-0AE3 combines operation and control in one compact panel-mount device. Its front integrates display, keyboard and operating elements for machine control. A backlit STN LCD displays two lines of 20 characters each with a character height of 5 mm. The device provides 23 keys and 128 KB flash memory. Communication is provided by a standard MPI interface; the P bus connects the unit to S7-300 modules. This SIMATIC-C7 version is identified by its complete Siemens order number. The C7 designation and C7 order number identify the same compact unit. The power supply is 24 V DC, with an admissible range of 20.4 to 30.2 V DC and maximum current consumption of 1,000 mA. Voltage dips of up to 20 ms can be bridged. The front has protection rating IP65 and the housing IP20. The design complies with DIN EN 61131-2 / IEC 1131-2. The compact format supports panel mounting in industrial control cabinets while keeping display and keys accessible. Dimensions are 168 × 120 × 70 mm, the installation cutout is 159 × 110 mm and weight is 1,350 g. The complete order number 6ES7621-1AD00-0AE3 identifies this C7-621 version. This C7-621 has the specified display, memory and interface configuration.
Example image – The item supplied will have the stated manufacturer or type number and the stated condition category. Serial number, manufacturing date, labels, colour, packaging and normal signs of use or storage may differ. Specifications
| Manufacturer | Siemens |
|---|---|
| Product range | SIMATIC C7 |
| Manufacturer/order/identification number | 6ES7621-1AD00-0AE3 |
| Model | C7-621 |
| Device type | Compact device with operating and control function |
| Display | STN LCD, 2 lines × 20 characters, LED backlight |
| Character height | 5 mm |
| Controls | 23 keys |
| Interface | MPI |
| Expansion bus | P bus for S7-300 modules |
| Flash memory | 128 KB |
| Supply voltage | 24 V DC, admissible 20.4–30.2 V |
| Maximum current consumption | 1,000 mA |
| Permitted voltage dip | 20 ms |
| Installation cutout | 159 × 110 mm |
| Front protection rating | IP65 |
| Housing protection rating | IP20 |
| Standards | DIN EN 61131-2 / IEC 1131-2 |
| Dimensions | 168 × 120 × 70 mm |
| Weight | 1,350 g |
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What is the order number of this C7-621?
The exact Siemens order number is 6ES7621-1AD00-0AE3.
What are the device dimensions?
The device measures 168 × 120 × 70 mm; the documented installation cutout is 159 × 110 mm.
What applies if an item develops a defect within 14 days?
For the condition categories “Used, removed from an installation” and “New, old stock”, the contractual 14-day right of return in the event of a defect applies. The defect must occur within 14 calendar days after delivery and be reported in text form within the same period.
In particular, the REHA tamper-evident seal must remain fully intact and our RMA approval is required before return. In an accepted case, we decide between replacement and refund. Details in Section 11 of the Terms.
Which shipping methods and delivery times are available?
The shipping method, shipping cost and estimated delivery time are confirmed for the specific order. Depending on the item, destination and urgency, we can check parcel, express or freight shipping as well as collection.
A delivery date is binding only if we expressly confirm it as binding.
Which payment terms apply?
The payment terms stated in the checkout or order confirmation apply. Depending on the order and customer, payment is made in advance or against invoice.
International deliveries and deliveries to new customers are generally made against advance payment unless we expressly confirm another payment arrangement.
Can I return an item ordered incorrectly or found incompatible?
No. There is no general B2B right of return, exchange, cancellation or withdrawal. Incorrect or duplicate orders and a lack of suitability or compatibility with the customer’s installation are not covered by the contractual 14-day right of return in the event of a defect. Details in Section 12 of the Terms.
Can I request individual pricing for several items?
You may request an individual quotation for several items or larger quantities. We then check availability and pricing for the specific requirement; there is no entitlement to a quantity discount. Open the quick enquiry.
Do you also purchase industrial spare parts?
Yes. You can offer us automation and drive components for purchase. Please provide complete type numbers, quantities, condition details and photographs where possible.
After review, we will tell you whether a purchase is possible and on which terms. Learn more about selling industrial stock.
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