Siemens 6ES5312-5CA11
Siemens 6ES5312-5CA11
Siemens 6ES5312-5CA11
Siemens 6ES5312-5CA11
Siemens 6ES5312-5CA11
Siemens 6ES5312-5CA11
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6ES5312-5CA11

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Siemens 6ES5312-5CA11 is the IM 312-5 expansion-unit interface with a fixed 0.5 m cable. It connects an S5 EU 184U or EU 187U rack without its own power supply to the matching IM 300-5 central interface.
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Technical specifications for 6ES5312-5CA11

  • Manufacturer:
    Siemens
  • Part Number:
    6ES5312-5CA11
  • Product Family:
    Siemens Simatic S5
  • Product Type:
    Expansion Unit Interface Module
  • Stock:
    1
  • Interface designation:
    IM 312-5
  • Installation side:
    Expansion unit
  • Fixed cable length:
    0.5 m
  • Configuration type:
    Centralized expansion
  • Compatible expansion units:
    EU 184U and EU 187U
  • Expansion power arrangement:
    Rack without local power supply
  • Matching central interface:
    IM 300-5
  • Maximum units per IM 300-5 connection:
    3
  • Maximum current per IM 300-5 connection:
    5 A
  • Bus and power path:
    Combined through interface connection
  • Cable attachment:
    Fixed interface cable
  • Central interface order number:
    6ES5300-5CA11
  • Supported expansion modules:
    Peripheral modules supported by EU 184U and EU 187U
  • Weight:
    0.64 kg
  • Estimated shipping dimensions:
    3.8x19.3x24.2cm
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Interoperability Performance & Efficiency Safety

Features:

  • Provides the expansion-side IM 312-5 interface with a fixed 0.5 m cable.
  • Carries bus communication and operating power to supported compact S5 racks.
  • Pairs with the IM 300-5 interface used in the central expansion path.
The CA11 suffix denotes the short fixed-cable version of the IM 312-5.

It lets a supported expansion unit operate without a separate internal power supply.

Available cable reach and cumulative rack current must be verified before the connection is restored.

Apter Power can review sourcing, documentation and system matching for 6ES5312-5CA11.
Verified resources for Siemens 6ES5312-5CA11: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • EU 184U and EU 187U racks can be placed directly above or near the central controller in compact cabinets.
  • Centralized S5 layouts use the fixed interface cable where distributed communication is unnecessary.
  • Maintenance replacements preserve a powered expansion path without adding a new rack supply.
  • The expansion unit connects to a matching IM 300-5 on the central side.
  • Bus signals and rack operating power share the documented interface path.
  • Up to three supported expansion units may use one IM 300-5 connection arrangement.
  • The fixed 0.5 m cable defines the usable reach between the connected S5 racks.
  • The combined interface path carries bus signals and operating power to an expansion rack without its own supply.
  • Total loading must remain within the upstream 5 A connection limit.
  • Each IM 300-5 connection is limited to 5 A for the attached expansion loads.
  • Rack power must be isolated before inserting or removing the fixed interface connector.
  • Load calculations prevent overheating or voltage drop in the combined bus-and-power path.
Description
6ES5312-5CA11 is the short-cable IM 312-5 execution installed in an S5 expansion unit. Its captive 0.5 m link connects the rack to an IM 300-5 interface in the central controller or preceding supported unit.

The interface carries both bus signals and operating power to a compact expansion rack that has no separate power supply. Siemens limits current through each IM 300-5 connection to 5 A and permits up to three documented expansion units per connection.

Rack type, absence of a local supply, cable reach and total 5 V loading must be confirmed before replacement. The similar 6ES5312-5CA21 uses a different fixed-cable length and should not be substituted without checking cabinet spacing.
Alternative Names
6ES5312-5CA11 Siemens 6ES5312-5CA11 6ES5312 5CA11 6ES53125CA11 6ES5312-5CA11 Expansion Unit Interface Module Siemens SIMATIC S5-135U/155U Interface Modules Siemens 6ES5312-5CA11 Expansion Unit Interface Module
Technical notes
Calculate expansion-rack load before fitting Siemens 6ES5312-5CA11; the upstream IM 300-5 connection must remain within its 5 A limit.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What cable execution is built into Siemens 6ES5312-5CA11?
The CA11 version carries a fixed 0.5 m interface cable.
Which central interface is required for Siemens 6ES5312-5CA11?
It pairs with the IM 300-5 family in the centralized S5 expansion arrangement.
Why can an expansion rack use Siemens 6ES5312-5CA11 without its own supply?
The documented interface carries operating power as well as the peripheral-bus connection.
What identifies the correct legacy spare for Siemens 6ES5312-5CA11?
Match the complete CA11 order code, expansion-rack type and 0.5 m fixed cable.
Which electrical limit must be checked before replacing Siemens 6ES5312-5CA11?
The total expansion load on each upstream IM 300-5 connection must remain at or below 5 A.
What rack data supports a Siemens 6ES5312-5CA11 quotation?
Send the EU type, IM 300-5 identity, connected module list, cable route and destination.