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Genuine EMERSON KJ400X1-CJ1 12P1902X032 - Industrial Automation Part
Home / Emerson

EMERSON KJ400X1-CJ1 12P1902X032 Terminal Block | DeltaV I/O

  • Genuine EMERSON KJ150X1-BC3 DeltaV DCS - Industrial Automation Part
  • Genuine EMERSON KJ1501X1-BC3/12P3935X022 - Industrial Automation Part

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Series: Emerson DeltaV
SKU: KJ400X1-CJ1 12P1902X032 Category: Emerson Tags: DCS, DeltaV, Emerson, I/O module, Terminal Block
  • Genuine EMERSON KJ150X1-BC3 DeltaV DCS - Industrial Automation Part
  • Genuine EMERSON KJ1501X1-BC3/12P3935X022 - Industrial Automation Part
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  • Description

DeltaV Field Wiring Solution – EMERSON KJ400X1-CJ1 | 12P1902X032

Where This Product Is Used

The EMERSON KJ400X1-CJ1 (12P1902X032) Terminal Block is a field-wiring interface component designed for use within Emerson DeltaV Distributed Control System (DCS) architectures. It is deployed wherever field instrument signals must be reliably terminated and routed to DeltaV I/O subsystem modules.

Typical installation environments include:

  • Oil & Gas — upstream wellhead control panels, midstream compressor stations, downstream refinery DCS marshalling cabinets
  • Chemical & Petrochemical — reactor loop instrumentation, safety-instrumented system (SIS) field junction boxes
  • Power Generation — turbine control panels, boiler management system (BMS) I/O racks
  • Pulp & Paper / Food & Beverage — process line DCS field termination panels
  • Pharmaceutical — cGMP-compliant process control cabinets requiring traceable I/O wiring

Technical Specifications

Attribute Value
Manufacturer Emerson Electric / Fisher-Rosemount
Part Number KJ400X1-CJ1
Alternate Part Number 12P1902X032
Product Type Terminal Block / Field Wiring Interface
Compatible Platform Emerson DeltaV DCS
Pin Count 12-pin field wiring interface
Mounting DIN rail / I/O subsystem carrier
Weight 200 g (approx.)
Condition New / Refurbished / Tested Available — specify on inquiry

Note: Full datasheet available upon request. Contact support@konmask.com for detailed electrical ratings and wiring diagrams.

Why Engineers Specify This Model

  • Direct DeltaV Compatibility — Engineered specifically for the DeltaV I/O subsystem; eliminates field-wiring adaptation risk.
  • 12-Pin Density — Accommodates multiple field signal channels in a compact footprint, reducing cabinet space requirements.
  • Plug-and-Play Replacement — Hot-swap capable within supported DeltaV I/O carriers; minimizes process downtime during maintenance.
  • Dual Part Number Cross-Reference — KJ400X1-CJ1 and 12P1902X032 are interchangeable references, simplifying procurement across different Emerson documentation revisions.
  • Proven Field Reliability — Widely deployed in critical process industries with documented long service life under continuous operation.

Complete System Bill of Materials

The KJ400X1-CJ1 terminal block is typically ordered alongside the following DeltaV system components:

  • DeltaV I/O Module (e.g., KJ3001X1-BA1, KJ3221X1-BA1, or equivalent series)
  • DeltaV I/O Subsystem Carrier / Backplane
  • DeltaV Controller Card (MD, MD Plus, or S-series)
  • DeltaV Power Supply Module
  • Marshalling Cabinet / DIN Rail Assembly
  • Field Instrument Signal Cables (shielded, twisted-pair)

Contact support@konmask.com for complete BOM assistance and multi-line quotations.

Compliance & Industry Standards

  • Designed and manufactured under Emerson’s ISO 9001-certified quality management system
  • Compatible with IEC 61511 (Functional Safety — Safety Instrumented Systems) application architectures
  • Suitable for use in ATEX / IECEx Zone 2 classified areas when installed per Emerson system documentation (verify with project safety case)
  • Compliant with RoHS directives applicable to industrial control equipment
  • CE marking applicable per Emerson product documentation

Quality Assurance & Sourcing

Konmask.com sources DeltaV components through established industrial automation supply channels. Every unit offered is subject to the following quality controls:

  • Visual Inspection — Connector integrity, label legibility, and housing condition verified before listing
  • Functional Test (where applicable) — Continuity and pin-out verification on refurbished units
  • Traceability — Batch records and sourcing documentation retained for B2B audit purposes
  • Packaging — Anti-static packaging with desiccant for transit protection

New, surplus-new, and tested-refurbished conditions are available. Condition is disclosed at time of quotation.

How to Source This Part

  1. Add to Cart — For standard in-stock units, proceed directly to checkout.
  2. Request a Quote — For bulk quantities (>5 units), OEM pricing, or mixed BOM orders, email support@konmask.com with your required quantity and delivery timeline.
  3. Urgent / Emergency Orders — Call or WhatsApp +0086 19859288691 for same-day response on critical plant shutdowns.
  4. Export Orders — We support international shipping with commercial invoice, packing list, and HS code documentation for customs clearance.

Application-Specific FAQ

Q: Is KJ400X1-CJ1 the same as 12P1902X032?
A: Yes. These are two valid Emerson part number references for the same terminal block assembly. KJ400X1-CJ1 is the catalog number; 12P1902X032 is the manufacturing/revision reference. Both are interchangeable for procurement purposes.

Q: Which DeltaV I/O modules does this terminal block support?
A: The KJ400X1-CJ1 is designed for use with specific DeltaV I/O subsystem carriers. Please provide your I/O module model number when inquiring to confirm compatibility with your specific DeltaV revision.

Q: Can this terminal block be replaced without shutting down the DeltaV controller?
A: DeltaV I/O subsystems support hot-swap at the module level in many configurations. However, field wiring must be de-energized per site safety procedures before disconnecting the terminal block. Consult your DeltaV system documentation and site LOTO procedures.

Q: Do you provide a warranty on this part?
A: New units carry the standard Emerson manufacturer warranty. Refurbished units carry a Konmask 90-day functional warranty. Terms are confirmed at time of sale.

Q: Can you supply a full DeltaV I/O rack or marshalling cabinet?
A: Yes. Konmask.com supports turnkey DeltaV spare parts packages and complete I/O rack assemblies. Contact us with your project BOM for a consolidated quotation.


© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691

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  • Large inventory and sourcing network. Stock items can ship in 1-2 business days. | TEL: +0086 19859288691 or via E-MAIL: support@konmask.com
  • +86 19859288691
    support@konmask.com