ABB MA12
ABB MA12
ABB MA12
ABB MA12
ABB MA12
ABB MA12
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MA12

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ABB MA12 is a legacy Hartmann & Braun Contronic plug-in module. MA12 references including 07761213D and 0776123C; these are retained only as identity leads.
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Technical specifications for MA12

  • Manufacturer:
    ABB
  • Part Number:
    MA12
  • Product Family:
    ABB H&B Contronic
  • Product Type:
    H&B Contronic Plug-in Module
  • Stock:
    1
  • Module Format:
    Legacy plug-in control-system module
  • Channel / Circuit Assignment:
    Must be taken from the installed cabinet drawings
  • Connector / Keying:
    Match the installed rack position before use
  • Configuration Record:
    Record selector, jumper and wiring state before removal
  • Tariff Code:
    8538900000
  • Country of origin:
    Sweden
  • 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 Part-Number Control Mechanical Fit Signal Assurance Application
  • Hartmann & Braun Contronic plug-in module
  • Identification records associate MA12 with 07761213D and 0776123C
  • Exact suffix compatibility must be verified against the installed module and cabinet documentation

ABB MA12 is a Hartmann & Braun Contronic plug-in module designed for documented industrial control installations.

The 07761213D and 0776123C references support product identification but do not establish that differently marked MA12 modules are electrically or functionally interchangeable.

Before replacement, verify the complete MA12 identity, suffix, connector keying, rack position, board population, and applicable cabinet drawings.

Availability, condition, price, and shipping time for ABB MA12 are confirmed during quotation.

ABB MA12 H&B Contronic Plug-in Module Manuals, Product Family, Links

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.

  • Secondary records present the MA12 part number in more than one form
  • The complete label on the installed module is the controlling identity
  • Do not treat another visually similar MA-series card as interchangeable
  • Confirm the rack guides, front-panel width, and rear connector keying
  • Compare the board population with the removed module
  • Verify that the connector cannot be installed one position out of alignment
  • Retain the original channel and control-loop documentation
  • Verify each affected signal point after installation
  • Do not energize the module until its wiring and slot identity have been independently checked
  • Legacy H&B Contronic cabinets explicitly documented for MA12
  • Original Contronic process-control signal positions assigned to MA12
  • Industrial automation loops retaining the same MA12 rack and wiring architecture
Description
ABB MA12 is a Hartmann & Braun Contronic plug-in module designed for integration within a compatible Contronic control-system rack.

Identification records associate MA12 with 07761213D and 0776123C, but these identifiers have not been confirmed as interchangeable variants. Electrical ratings, channel assignments, and connector pin functions must be verified from the applicable cabinet documentation.

Match the complete module label, rear connector, rack slot, and board configuration before replacement. Preserve all wiring references, settings, and diagnostic states, then verify the associated control circuit under the approved commissioning procedure.
Alternative Names
MA12 MA 12 ABB MA12 ABB MA 12 H&B MA12 ABB H&B Contronic MA 12
Technical notes
MA12 requires matching of the complete module label, connector arrangement, rack slot, and applicable signal drawing before commissioning.
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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.
Can MA12 be replaced using only the front model marking?
No. Match the complete MA12 marking, any rear or board-level number, connector keying, rack slot and the original cabinet drawings before accepting a replacement.
What evidence should a buyer request before accepting MA12?
Request clear photographs of the front, both board faces where accessible, rear connector, revision or suffix labels and the exact installed slot. The available records do not define every MA12 variant.
How should MA12 compatibility be checked when the exact manual is unavailable?
Compare the installed slot, connector keying, board population, visible controls and cabinet drawing reference. Do not infer pin compatibility from another Contronic model.
What must be recorded before disconnecting MA12?
Record terminal and cable identifiers, selector or jumper positions, live status indications, rack position and adjacent module references before isolation and removal.
Can MA12 be exchanged while the rack is energized?
No exact-model energized-exchange approval was found. Treat MA12 as non-hot-swappable unless the site's ABB/H&B documentation explicitly authorizes the procedure.
How should the 07761213D / 0776123C reference be used for MA12?
Use it only as a secondary cross-reference lead. It is not a substitute for matching the actual MA12 label, connector and site documentation.
What is the main commissioning risk with MA12?
The largest risk is installing a physically similar card with a different signal assignment. Verify the complete printed part number, connector keying and signal assignment, then test the affected loop under the approved site procedure.