Product Overview
The Honeywell 51109693-100B is a specialized ground tap assembly designed to provide reliable, low-impedance grounding connections within Honeywell’s industrial automation platforms, including the TDC 3000 and Experion PKS distributed control systems. As a genuine Honeywell component, the 51109693-100B serves as a critical infrastructure element that ensures electrical safety and electromagnetic compatibility (EMC) across control cabinets, I/O modules, power supplies, and signal interfaces. The Honeywell 51109693-100B is configured as a 2-4 tap grounding terminal, enabling multiple grounding connections to a common reference point within a single compact assembly.
In complex industrial control systems, proper grounding is not merely a safety requirement—it is fundamental to signal integrity and system reliability. The Honeywell 51109693-100B addresses this need by providing a dedicated, low-resistance path to earth ground for multiple circuits simultaneously. Its 2-4 tap configuration allows up to four individual grounding conductors to be terminated at a single point, simplifying wiring architecture while maintaining the star-point grounding topology essential for minimizing ground loops and electrical noise in sensitive control circuits.
The Honeywell 51109693-100B is constructed from high-conductivity, corrosion-resistant materials, ensuring consistent performance over extended service life in demanding industrial environments. Whether deployed in new installations or as a replacement component in existing Honeywell automation systems, the 51109693-100B delivers the dependable grounding performance that process industries rely on for safe and accurate control operations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 51109693-100B |
| Manufacturer | Honeywell |
| Product Type | Ground Tap / Grounding Terminal Assembly |
| Tap Configuration | 2-4 Tap |
| Rated Voltage | ≤ 250 V AC/DC |
| Rated Current | Up to 20 A (depending on wire gauge) |
| Contact Resistance | < 10 mΩ (low impedance) |
| Insulation Resistance | > 1000 MΩ (unconnected state) |
| Terminal Material | Tin-plated copper alloy |
| Supported Wire Size | 2.5 mm² – 6 mm² |
| Mounting Options | DIN rail or screw mount |
| Operating Temperature | –20°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Ingress Protection | IP20 (suitable for control cabinet installation) |
| Compliance | IEC 60068, IEC 60721 |
| Weight | Approximately 0.1–0.2 kg |
Main Features and Advantages
Multi-Tap Grounding Architecture: The Honeywell 51109693-100B is engineered as a 2-4 tap grounding terminal, providing a compact yet highly functional solution for terminating multiple grounding conductors at a single low-impedance reference point. This multi-tap design eliminates the need for daisy-chaining ground connections, which can introduce unwanted impedance and compromise signal integrity. By consolidating up to four grounding circuits into one assembly, the 51109693-100B simplifies control cabinet wiring, reduces installation time, and ensures a consistent, low-resistance path to earth ground for all connected equipment.
Low Impedance for EMC Compliance: In industrial automation environments, electromagnetic interference (EMI) and radio frequency interference (RFI) can corrupt sensitive analog signals and disrupt digital communications. The Honeywell 51109693-100B addresses this challenge through its low-impedance design, with contact resistance maintained below 10 mΩ and grounding resistance values as low as ≤ 0.1 Ω in optimal configurations. This low-impedance path ensures that induced currents are efficiently dissipated to ground rather than circulating through signal circuits, preserving measurement accuracy and communication reliability in even the most electrically noisy plant environments.
Corrosion-Resistant Construction for Long-Term Reliability: The 51109693-100B is manufactured from high-grade, corrosion-resistant materials including tin-plated copper alloy terminals and high-strength metal housing components. This material selection ensures that the 51109693-100B maintains its electrical performance characteristics over years of continuous service, even in environments where humidity, temperature cycling, and airborne contaminants would degrade lesser components. The robust construction reflects Honeywell’s design philosophy for automation infrastructure products: components that are installed once and require no attention thereafter.
Flexible Mounting and Wiring Compatibility: The Honeywell 51109693-100B supports both DIN rail and screw mounting options, allowing integration into virtually any control cabinet configuration. Its screw clamp or quick-connect terminal design accommodates wire sizes from 2.5 mm² to 6 mm², covering the range of grounding conductor gauges typically encountered in industrial control panels. This installation flexibility makes the 51109693-100B suitable for both new system builds and retrofit applications where space constraints or existing mounting infrastructure dictate installation approach.
