FOXBORO RH101AA – Remote Housing / Termination Assembly for I/A Series I/O Integration

The FOXBORO RH101AA is a compact remote housing/termination assembly used around I/A Series control systems to land field wiring cleanly and interface it to system I/O. From my experience, it’s the kind of part maintenance teams keep on the shelf because it simplifies cabinet layouts, keeps shielding/grounding tidy, and makes swaps during shutdowns faster. You might notice that RH-series hardware is typically passive — no firmware to babysit — which is a relief in plants where uptime and simplicity matter more than bells and whistles.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Lead time: typically 1 week if in stock; no more than one month at the latest
• Payment terms: 50% advance payment; full payment prior to delivery
• Shipping: fedex, UPS, DHL (express, export-ready packing)

Key Features

• Purpose-built termination – Provides an organized landing point for field signals tied to FOXBORO I/A Series I/O, keeping cabinet wiring disciplined and serviceable.
• Passive architecture – Typically no onboard electronics; nothing to configure, update, or power, which tends to reduce failure points.
• Grounding and shielding accommodations – Designed to help manage shield drains and reduce noise pickup on low-level analog signals.
• Cabinet-friendly footprint – Suits standard control panels; commonly used with DIN-rail or panel-mount hardware to align with existing layouts.
• Service-ready design – Clear terminal layout supports faster loop checks and easier replacements during outages.

Technical Specifications

Note: RH-series units have variants; the exact terminal count and wiring map can differ by sub-code. If you’re replacing an existing assembly, a quick photo of the installed plate and labels usually confirms compatibility in seconds.

Application Fields

This model is used wherever FOXBORO I/A Series I/O ties into field devices and marshalling panels:

• Refining and petrochemical units (AI/DI loops, shielded analog runs)
• Power generation balance-of-plant cabinets
• Pharmaceutical clean-room control panels where organized wiring is critical
• Water/wastewater process areas needing robust cabinet terminations

A maintenance supervisor told us their upgrade cut loop checkout time by “about a shift,” mainly because the RH101AA layout made tracing and labeling much more straightforward.

Advantages & Value

• Reliability – Passive design typically means fewer field failures and easier root-cause analysis.
• Compatibility – Aligns with FOXBORO I/A Series wiring practices; simplifies like-for-like replacements.
• Cost Control – Helps reduce commissioning time and minimizes unscheduled downtime during swaps.
• Support – We can pre-check your part code against existing drawings to avoid rework.

Installation & Maintenance

• Cabinet environment – Install in a clean, dry control cabinet with adequate ventilation; avoid condensation and corrosive atmospheres.
• Mounting – Use DIN-rail or panel-mount hardware as applicable; allow finger/label access for maintenance.
• Wiring – Follow loop drawings; maintain shield continuity and single-point grounding; torque terminals per standard practice to prevent loosening.
• Safety – De-energize affected circuits before work; verify isolation; tag/lockout per site policy.
• Routine care – Periodically retighten terminals on vibration-prone panels and clean dust; verify labels remain legible after shutdowns.

Quality & Certifications

• Manufactured under ISO 9001 quality systems (typical for FOXBORO/Schneider Electric production)
• CE conformity for control cabinet components (where applicable)
• RoHS-compliant materials for most builds
• Warranty: 12 months from delivery