Product Details
Product Overview
The Emerson KJ3003X1-EA1 functions as a high-integrity serial interface terminal block within the DeltaV control ecosystem. This module provides the physical connection point and electrical conditioning necessary for robust serial data transmission. It bridges the gap between field-level serial devices and the controller, ensuring seamless data flow in complex process automation environments.
Technical Specifications
The KJ3003X1-EA1 meets rigorous industrial electrical standards to ensure continuous uptime:
| Parameter | Specification |
| Model Number | KJ3003X1-EA1 |
| Current Rating | 1.0 Amp Maximum |
| Voltage Rating | 35 VDC |
| Operating Temperature | -40°C to +70°C |
| Shock Resistance | 10G Sinewave for 11 msec |
| Weight | 0.20 lbs (Approx. 0.09 kg) |
| Category | PLC Module / Rack Components |
| Condition | 100% Brand New, Original Factory Sealed |
Engineering Advantages
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Superior Vibration Tolerance: The unit withstands 10G sinewave shock for 11 milliseconds. This mechanical resilience prevents signal intermittent failures in high-vibration environments like pump rooms or turbine decks.
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Thermal Versatility: The wide operating range (-40°C to +70°C) allows installation in unconditioned remote instrument enclosures (RIEs) without requiring external cooling or heating elements.
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Space-Efficient Design: At only 0.20 lbs, this lightweight terminal block maximizes DIN rail density, allowing engineers to pack more serial interfaces into smaller cabinet footprints.
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Stable Power Delivery: The 1.0 Amp current capacity ensures stable power distribution to connected serial peripherals, eliminating voltage drops that often plague lower-rated generic terminal blocks.
FAQs
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Does this unit arrive in original Emerson packaging?
Yes. We supply the KJ3003X1-EA1 as 100% Brand New equipment in its original factory-sealed box to guarantee authenticity and performance.
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Can this module handle high-voltage spikes?
The module is rated for 35 VDC operation. It provides a stable interface for low-voltage serial communications and includes basic circuit protection, though we recommend standard surge suppression for long-distance field runs.
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What are the mounting requirements for the KJ3003X1-EA1?
This terminal block snaps directly onto standard DeltaV carrier rails. Its lightweight design ensures it remains secure even during the specified 10G shock events.
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Is there a difference between the EA1 and older revisions?
The EA1 suffix denotes a specific hardware revision optimized for current DeltaV Series 2 or M-series hardware. It maintains the 1.0 Amp rating required for modern serial interface modules.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.