Emerson KJ4001X1-CC1 12P0733X042 DeltaV M-series 4-Wire Terminal Block

Technical Overview

The Emerson KJ4001X1-CC1 (Part Number 12P0733X042) serves as a specialized 4-wire terminal block designed for the DeltaV™ M-series I/O Subsystem. This component provides the essential physical interface between field wiring and I/O modules, ensuring secure and organized signal termination. By utilizing a 4-wire configuration, the block supports complex sensor and actuator connections that require dedicated power, return, and signal lines within a Distributed Control System (DCS) environment.

Core Functional Capabilities

• High-Conductivity Termination Engineers have utilized high-grade copper alloys in the construction of the KJ4001X1-CC1 to minimize contact resistance. This material choice effectively reduces power loss and maintains signal integrity across the terminal interface, which is vital for precise analog and digital I/O performance.
• Space-Efficient Modular Design The terminal block features a compact footprint of 9×5.1×4.1cm, allowing for high-density mounting on carrier systems. This modularity enables system integrators to scale I/O capacity within confined control cabinets without sacrificing accessibility or thermal management.
• Environmental Resilience Designed for mission-critical industrial use, the unit operates reliably within a broad temperature spectrum from -40°C to +85°C. Consequently, it maintains mechanical and electrical stability even when installed in non-climate-controlled remote instrument enclosures.
• Universal Compliance and Safety The KJ4001X1-CC1 adheres to rigorous international safety benchmarks, including UL, CE, and CSA certifications. These approvals verify that the component meets strict standards for flame retardancy, electrical insulation, and vibration resistance.

Technical Specifications

• Manufacturer: Emerson (DeltaV Series)
• Model Number: KJ4001X1-CC1
• Part/Order Number: 12P0733X042
• Module Category: 4-Wire Terminal Block
• Subsystem Compatibility: DeltaV M-series I/O
• Weight: 0.08 kg
• Physical Dimensions: 90mm x 51mm x 41mm

Industrial Applications

The 12P0733X042 terminal block is predominantly found in automated processing plants, including chemical refineries, pharmaceutical labs, and power generation facilities. It specifically facilitates the connection of 4-wire transmitters and devices to the DeltaV controller backplane. Although Emerson officially shifted this specific model to discontinued status on December 31, 2018, it remains an indispensable spare part for maintaining the operational continuity of existing M-series legacy installations.