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Product description

Siemens 6AG1 400-1JA11-7AA0 is a SIPLUS S7-400 UR2 aluminum rack. The rack forms the mechanical and electrical basis for central S7-400 controllers and distributed expansion units. Nine slots accommodate the intended power-supply, CPU, communication, and signal modules; the communication bus and P-Bus connect the installed modules through the backplane. Two redundant power supplies can be installed for high-availability supply concepts. The SIPLUS version is based on Siemens 6ES7400-1JA11-0AA0 and adds Conformal Coating and extended environmental conditions to the standard product. The specified operating temperature range extends from -25 to +70 °C and the storage and transport range from -40 to +70 °C. Siemens specifies a maximum installation altitude of 5,000 m with temperature-dependent derating and up to 100 % relative humidity, including permissible condensation or frost; commissioning while condensation is present is excluded. The specified resistance classes cover biological substances according to EN 60721-3-3 Class 3B2, chemically active substances including salt spray according to Class 3C4, and sand and dust according to Class 3S4. These properties support planning for control cabinets, production areas, and stationary installations subject to increased climatic or material exposure. The nine-slot design provides a clear arrangement of modules and power-supply components. With a net weight of approximately 1,844 kg, the rack is suitable for targeted spare-parts sourcing, modernisation, and expansion of existing S7-400 systems. Before replacement, compare the complete MLFB, installed power supplies, slot assignment, rack function, and mechanical installation situation. Bus connections and module widths must also match the existing configuration. UR1-, UR2-H-, and standard variants are not automatically interchangeable despite similar designations.

Siemens 6AG1 400-1JA11-7AA0

Specifications

Manufacturer Siemens
Product range SIPLUS S7-400
Manufacturer/order/identification number 6AG1 400-1JA11-7AA0
Device type UR2 rack
Base unit 6ES7400-1JA11-0AA0
Material Aluminum
Slots 9
Application Central controller and distributed expansion unit
Redundant power supplies 2 pluggable power supplies
Communication bus Provided
P-Bus Provided
Protective coating Conformal Coating
Operating temperature -25 to +70 °C
Storage and transport temperature -40 to +70 °C
Maximum installation altitude 5,000 m above sea level
Relative humidity up to 100 %, condensation and frost permitted
Dimensions 257.5 x 290 x 27.5 mm
Biological resistance EN 60721-3-3 Class 3B2
Chemical resistance EN 60721-3-3 Class 3C4 including salt spray
Net weight approx. 1,844 kg
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

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FAQ

Frequently asked questions

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What is Siemens 6AG1 400-1JA11-7AA0 used for?

The SIPLUS-UR2 rack accommodates S7-400 modules for central controllers and distributed expansion units and connects them through the communication bus and P-Bus.

How many slots does the UR2 rack provide?

The aluminum rack provides nine slots and supports the installation of two redundant power supplies.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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