Honeywell 51204120-400 Panel-Mount Cable Assembly

Product Description

Honeywell 51204120‑400 is a rugged, factory-terminated panel-mount cable assembly engineered for internal wiring of Honeywell DCS and PLC systems. Designed to deliver low-noise signal transmission and stable low-voltage power distribution, this assembly ensures reliable performance in high-interference industrial control environments.

Technical Specifications

General

• Manufacturer: Honeywell

• Part Number: 51204120‑400

• Product Type: Panel-Mount Cable Assembly

• Application: Internal wiring for DCS/PLC systems

• Typical Use: Controller-to-I/O, I/O-to-interface board, cabinet interconnects

Cable Construction

• Multi-conductor design supporting both low-voltage power and signal transmission

• Full EMI/RFI shielding (foil and/or braided) for maximum noise immunity

• Industrial-grade insulation for high durability and long service life

• Panel-mount connector housing with mechanical locking system

• 20-position conductor layout consistent with the 51204120 family

• Color-coded conductors for accurate module mapping

• Factory-terminated connectors for plug-and-play installation

Electrical Characteristics

• Supports low-voltage DC power distribution

• Signal-level communication between Honeywell modules

• Reliable operation in high EMI/RFI environments

• Compatible with Honeywell backplanes, I/O racks, and interface boards

Mechanical & Environmental

• Protection Rating: IP65 (dust-tight, splash-resistant)

• Cable Jacket: Flexible, abrasion-resistant industrial polymer

• Temperature Range: –20 °C to +80 °C

• Cable Length: Typically 2–5 meters depending on configuration

• Mounting: Panel-mount flange with secure locking hardware

Applications

• Internal wiring for Experion PKS, TDC 3000, C200/C300, and similar Honeywell systems

• Shielded routing of signals inside control cabinets

• Connection between I/O modules and interface boards

• Replacement and maintenance of DCS/PLC internal cabling

FAQ

Q: Can this cable be used in outdoor enclosures?
A: 51204120‑400 is rated IP65 and is suitable for dust and water-resistant applications but should remain in protected control cabinets rather than exposed outdoor environments.

Q: How does it differ from the 51204120‑300 version?
A: The –400 variant is longer and supports more flexible internal wiring layouts, with identical shielding and connector features.

Q: Is this compatible with older Honeywell C-series modules?
A: Yes, it is compatible with C200 and C300 series modules, as well as TDC 3000 and Experion PKS platforms.