KJ2231X1-EA1
KJ2231X1-EA1
KJ2231X1-EA1
KJ2231X1-EA1
KJ2231X1-EA1
KJ2231X1-EA1
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    Apter Power supplies KJ2231X1-EA1 for maintenance of matching documented safety-relay circuits.

KJ2231X1-EA1

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Emerson KJ2231X1-EA1 is a Fisher-Rosemount safety relay module identified by nameplate part number 12P4049X012 and a printed terminal schematic.
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Technical specifications for KJ2231X1-EA1

  • Manufacturer:
    Emerson
  • Part Number:
    KJ2231X1-EA1
  • Product Family:
    DeltaV
  • Product Type:
    Safety Relay Module
  • Stock:
    1
  • Nameplate Part Number:
    12P4049X012
  • Nameplate Revision:
    B
  • Nameplate Manufacturer:
    Fisher-Rosemount Systems
  • Weight:
    0.16 kg
  • Estimated shipping dimensions:
    11x2.5x11cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Thailand
  • 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 Relay Architecture Panel Interface Replacement Boundary Applications

Features:

  • Exact safety-relay identity: The face label states Safety Relay Module rather than input or controller card.
  • Dual identifier check: KJ2231X1-EA1 and 12P4049X012 appear together on the nameplate.
  • Printed circuit reference: The housing diagram maps numbered terminals to the relay-contact arrangement.
KJ2231X1-EA1 is recognized first by its Fisher-Rosemount safety-relay label and secondary part number.

The printed schematic supplies an on-product reference for comparing the replacement with the installed terminal plan.

Using all visible identifiers reduces the risk of accepting another module that shares a similar black enclosure.

Apter Power can help confirm Emerson KJ2231X1-EA1 Safety Relay Module nameplate identity, 12P4049X012 marking and supplied scope before quotation.
Emerson KJ2231X1-EA1 Safety Relay Module Manuals,Datasheets,Link
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.
  • Dual circuit paths: The housing schematic depicts separately labeled Circuit 1 and Circuit 2 paths.
  • Test sections: Test 1, Test 2 and Test 3 are shown as distinct portions of the relay arrangement.
  • Switched outputs: The printed diagram identifies the switched side of each labeled circuit.
  • Contact representation: Relay contacts are drawn on the housing so their logical relationship is visible at the assembly.
  • Numbered terminals: The housing diagram supplies terminal references for the connected relay paths.
  • Circuit separation: Circuit 1 and Circuit 2 remain identifiable throughout the printed interface.
  • Diagram-to-panel link: The on-product schematic provides a direct reference to the cabinet wiring record.
  • Replaceable assembly: The labeled housing, terminal interface and relay circuits are handled as one module.
  • Complete identity: Model, secondary part number and required revision define the replacement assembly.
  • Terminal plan: The approved cabinet record defines how the numbered interface is used.
  • Change control: Any terminal or circuit change remains an engineering decision outside a direct replacement.
  • Installed safety circuits: Serves a relay position whose approved drawing names this exact module.
  • Dual-path relay interfaces: Supports an existing circuit that uses the two labeled relay paths shown on the housing.
  • Panel interlock positions: Maintains a documented relay interface without redefining the cabinet logic.
  • Safety shutdown positions: Replaces an installed module only where the controlled site record confirms the exact assignment.
Description
KJ2231X1-EA1 is identified on the product label as a Fisher-Rosemount Safety Relay Module with part number 12P4049X012. The housing carries a numbered relay-contact schematic, giving maintenance teams an exact physical reference for the installed circuit position.

For replacement work, KJ2231X1-EA1 provides more certainty than enclosure shape alone. Matching the complete model, secondary part number and printed contact map helps procurement and technicians avoid confusing this relay unit with another similarly packaged Emerson module.
Alternative Names
KJ2231X1EA1 12P4049X012
Technical notes
Do not assign KJ2231X1-EA1 contact voltage or current from the rating of a similarly housed relay module. Exceeding the documented circuit duty can damage the contact path or defeat the intended isolation. Confirm the approved circuit drawing and required load duty before energizing the replacement; stop if either value is unavailable.
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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.
Both relay paths on KJ2231X1-EA1 change during a command intended for only one circuit. What should maintenance isolate?
Isolate the command and test wiring from the two switched paths, then check for an external bridge or crossed conductor before replacing the module.
KJ2231X1-EA1 changes state when the cabinet is disturbed but not during a steady test. Where should diagnosis begin?
Inspect terminal seating, conductor restraint and the connected panel wiring while the circuit is isolated. An intermittent external connection must be separated from internal relay operation.
After fitting KJ2231X1-EA1, the commanded field device does not respond. Where should diagnosis begin?
Begin by proving the expected relay contact changes at the numbered terminals, then trace the external field circuit. Do not assume the module is faulty before separating contact operation from downstream wiring.
Only one documented relay path responds after KJ2231X1-EA1 replacement. What should maintenance compare?
Compare the nonresponding path with the housing schematic and the original terminal record. A crossed conductor or wrong terminal assignment must be corrected before another module is installed.
The contact schematic is damaged or unreadable on received KJ2231X1-EA1. Can the unit be accepted?
Place it on hold until the exact terminal arrangement is recovered from controlled site documentation. Enclosure position alone is not a safe basis for wiring acceptance.
How should the installed KJ2231X1-EA1 be accepted after terminal transfer?
Exercise each documented relay path through the site-approved test and confirm the intended field response. Stop if any terminal acts on the wrong circuit.

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