Product Core Brief
- Model: KJ4001X1-NB1
- Brand: Emerson (Emerson Automation Solutions)
- Series: DeltaV M-Series Carrier Accessories
- Core Function: Horizontal LocalBus dual left cable extender for DeltaV M-series carrier racks.
- Product Type: LocalBus Cable Extender / Carrier Extender Assembly
- Key Specs: Dual left extender | horizontal LocalBus extension | M-series carrier accessory | 12P3368X012 REV:E
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction (Rotation Engine)
In large DeltaV installations, LocalBus extension hardware determines whether additional I/O carriers can be added without signal loss or mechanical incompatibility. The EMERSON is a Horizontal LocalBus Dual Left Cable Extender for the Emerson DeltaV M-series I/O system, also identified with part number 12P3368X012 REV:E.
This component belongs to the DeltaV M-series carrier extender family. It is used to extend the LocalBus connection toward the left side of a carrier rack, typically in conjunction with other extender boards, cable assemblies, and M-series carriers. Common related parts include the KJ4001X1-NA1 Dual Right Extender, KJ4010X1-BF1 Local Bus Left Extension, and KJ4010X1-BG1 Local Bus Right Extension.
The KJ4001X1-NB1 is not an I/O module, controller, power supply, terminal block, or standard I/O carrier. For procurement and maintenance teams, a factory-sealed surplus extender helps reduce risk from damaged connectors, bent pins, prior field modifications, or unknown installation history.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Emerson (Emerson Automation Solutions) |
| Product Family | DeltaV M-Series Carrier Accessories |
| Module Type | Horizontal LocalBus Dual Left Cable Extender |
| Model | |
| Associated Part Number | 12P3368X012 REV:E |
| Function | Extends DeltaV M-series LocalBus connection to the left |
| Compatible Hardware | DeltaV M-series carriers and related LocalBus extender assemblies |
| Typical Applications | DeltaV I/O rack expansion, LocalBus extension, system maintenance |
Note: Confirm exact revision, cable length, connector type, and compatible carrier layout against the nameplate and DeltaV installation documentation before ordering.
Key Selling Points & Differentiators
- Genuine DeltaV M-series dual left LocalBus extender for horizontal carrier expansion.
- Supports reliable LocalBus extension when adding or reconfiguring M-series I/O racks.
- Factory-sealed surplus stock reduces risk of damaged connectors or prior field faults.
- Useful as a maintenance spare for existing DeltaV installations.
- Helps avoid downtime caused by missing or damaged LocalBus extension hardware.
- Not recommended as a substitute for I/O modules, carriers, controllers, or power supplies.
Quality Transparency SOP (DYNAMIC GENERATION)
For surplus DeltaV LocalBus extenders, inspection focuses on connector integrity, cable condition, and correct model identification:
- Visual QA: Inspect housing, connectors, cable jacket, and labeling for impact damage, cracking, or corrosion.
- Anti-static handling: Seal in ESD-safe packaging with humidity indicators before shipment.
- Nameplate verification: Confirm model KJ4001X1-NB1 and part number 12P3368X012 REV:E match the order.
- Connector inspection: Check LocalBus connectors and cable ends for bent pins, oxidation, or contamination.
- Fit verification: Where possible, confirm mechanical compatibility with the intended DeltaV M-series carrier and extender layout.
Technical Risk Avoidance (DYNAMIC GENERATION)
❗ Confirm extender type. The is a Dual Left Cable Extender, not a right extender, I/O module, carrier, or power supply.
❗ Match left/right orientation. Installing the wrong left/right extender can prevent proper LocalBus extension or cause mechanical fit issues.
❗ Verify revision compatibility. Part number 12P3368X012 REV:E may differ from other revisions. Always confirm the revision matches the existing system.
❗ Check carrier layout. LocalBus extenders must match the DeltaV M-series carrier arrangement and expansion plan.
❗ Validate cable routing. Incorrect cable routing or strain on connectors can cause intermittent LocalBus faults.
Buyer’s FAQ
Is this a genuine Emerson part?
Yes. The EMERSON is an original DeltaV M-series Horizontal LocalBus Dual Left Cable Extender. We supply factory-sealed surplus stock when available.
What condition is the unit in?
Units are sold as New Original / New Surplus unless otherwise stated. That means unused, factory-sealed inventory rather than field-removed hardware.
Can I use it as a direct replacement?
If your existing DeltaV station uses a KJ4001X1-NB1 dual left extender and the revision, connector type, and carrier layout match, it should be a like-for-like replacement. Always confirm the nameplate first.
What does 12P3368X012 REV:E mean?
It is the associated Emerson part number and revision for this KJ4001X1-NB1 extender assembly.
Is this an I/O module or carrier?
No. This is a LocalBus cable extender assembly used to extend the LocalBus connection between DeltaV M-series carriers.
How fast can you ship?
Stock availability determines lead time. For urgent DCS maintenance needs, request expedited shipping at checkout.
Do you offer a warranty?
Yes. Warranty terms are provided at checkout. For surplus DCS extender hardware, a clear warranty window helps protect against DOA or hidden inventory damage.
