Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 51202324-300 |
| Manufacturer | Honeywell (Honeywell Process Solutions) |
| Product Type | 24 VDC Power Cable / Power Distribution Jumper Assembly |
| Series / Platform | Honeywell Series C Power Distribution Subsystem |
| Core Function | Connect one of six 24 Vdc distribution outlets to the Horizontal DC Power Bus Bar (HDPB) |
| Rated Voltage | 24 V DC (16 V DC contact rating) |
| Connector Type | 1 pair of 5-pin connectors (one at each end) |
| Wiring | Red / black pair (positive / negative); one conductor per polarity |
| Contact Rating | 2 A at 16 V DC per contact |
| Conductor Material | Tinned copper, stranded |
| Cable Length | 9 inches (229 mm) |
| Overall Dimensions (L × W × H) | 31.5 × 3.5 × 1.5 cm (cable form-dependent) |
| Polarity | Color-coded red (positive) / black (negative) |
| Mounting / Connection | Direct plug-in at both ends; no tools required |
| Operating Temperature | -20 °C to +70 °C (typical for harness construction) |
| Related Cable (opposite cabinet side) | 51202335-300 (additional red/black wire pairs for dual-access cabinets) |
| Unit Weight | 0.12 kg (harness only); shipping weight 0.34 kg |
| Condition | New / surplus; 100% electrically tested prior to shipment |
| Compliance | RoHS; wire and connector ratings confirmed against unit label |
Main Features and Advantages
The primary value of the Honeywell 51202324-300 is that it is the exact, documented harness for a critical power junction—and in a DCS cabinet, the exact harness matters. The 24 Vdc distribution interface has a defined pin assignment across its eight connectors, and the HDPB has a defined polarity and mounting footprint. The Honeywell 51202324-300 is terminated at the factory to both, eliminating the single largest source of field-wiring error: a misplaced conductor.
Exact fit and documented pin-out:
Every Honeywell 51202324-300 is built to the Honeywell harness drawing, with the 5-pin connectors keyed and oriented to prevent reversed insertion. The red/black conductor scheme makes polarity visually verifiable at a glance, which is especially valuable during a cabinet rework or a late-night replacement when a multimeter is not conveniently at hand. Because the harness is short—9 inches—there is no excess cable to dress, tie, or accidentally pinch in a cabinet door, and the stiff, controlled length ensures consistent routing between the distribution interface and the HDPB.
Reliable 24 Vdc delivery to the control cards:
The Honeywell 51202324-300 is sized for the current drawn by the CCA population on the bus. The 2 A contact rating per pole, combined with the tinned copper conductors and gas-tight crimp terminations inside the molded connectors, provides a low-resistance, stable path that does not introduce voltage drop or intermittent resistance into the 24 Vdc feed. For the control card assemblies downstream, this stability translates directly into fewer unexplained resets, fewer communication transitions, and fewer nuisance diagnostics—the kinds of faults that are difficult to troubleshoot because they disappear the moment the harness is disturbed.
Simple, tool-free installation:
Both ends of the Honeywell 51202324-300 are direct plug-in connections. There is no lug to torque, no conductor to strip, and no connector shell to assemble in the field. In a live or partially energized cabinet this reduces both installation time and exposure: the maintenance technician identifies the correct outlet on the distribution interface, plugs the harness into the HDPB, and verifies polarity. The work is complete. This is also why the Honeywell 51202324-300 is well suited to fast turnaround work—the replacement restores the bus continuity in minutes rather than the hour or more required to fabricate and test a custom jumper.
Companion harness for dual-access cabinet configurations:
The power distribution scheme is designed around one Honeywell 51202324-300 per powered side. When a Series C Power System and HDPB must also feed CCAs on the opposite side of a dual-access cabinet, additional red/black wire pairs—the 51202335-300—are added for each vertically adjacent pair of CCAs on that opposite side. Understanding this relationship prevents a common design error: assuming that one 51202324-300 can serve both cabinet sides. It cannot; each side requires its own documented harness, and the Honeywell 51202324-300 is the harness specified for the side containing the power system.
Spare-part discipline and availability:
Because the Honeywell 51202324-300 is a passive harness with no firmware, calibration, or configuration, it is one of the lowest-risk items to keep in strategic buffer stock. A failed or damaged jumper can be swapped without software changes, downloads, or controller restarts—provided the replacement matches the original part number and polarity. Maintaining a small stock of the Honeywell 51202324-300 (and its 51202335-300 companion) therefore gives a maintenance organization a low-cost way to eliminate a potential single point of interruption in the 24 Vdc distribution path.
Application Field
The Honeywell 51202324-300 is used wherever a Honeywell Series C power distribution subsystem must deliver 24 Vdc to control card assemblies through a Horizontal DC Power Bus Bar. Its most direct application is inside the power section of a process-control cabinet, where it connects one of the six 24 Vdc outlets in the distribution interface to the HDPB that distributes power to the CCAs mounted on one side of the cabinet.
In oil, gas, and petrochemical facilities, the Honeywell 51202324-300 is installed in the control cabinets serving compressor stations, LNG liquefaction trains, refinery process units, and pipeline pump houses. These cabinets operate continuously in electrically noisy environments with large motors, variable-frequency drives, and switchgear nearby; a secure, correctly polarized 24 Vdc feed is essential to keeping the controller and I/O cards operational. The short, point-to-point nature of the Honeywell 51202324-300 minimizes loop area and helps preserve the integrity of the bus voltage along the route from the distribution interface to the HDPB.
In power generation, the Honeywell 51202324-300 appears in boiler management, turbine auxiliary, balance-of-plant, and water-steam cycle control panels. Stable 24 Vdc distribution is particularly important where the controller executes fast closed-loop algorithms and communicates over the control network; any interruption in the CCA supply can invalidate a control scan or trigger a communication transition. The harness’s robust construction and controlled 9-inch length make it suitable for the dense, high-card-count cabinets typical of these applications.
The Honeywell 51202324-300 also supports pharmaceutical, chemical, food and beverage, pulp and paper, and metals processing plants that standardize on Honeywell Series C power and control hardware. In dual-access cabinet configurations, it works in concert with the 51202335-300 wire pairs to distribute 24 Vdc to CCAs on both sides of the cabinet. For system integrators and maintenance organizations, the harness offers a straightforward obsolescence-management and spare-parts solution: retain the existing distribution interface and HDPB, replace only the jumper with a qualified Honeywell 51202324-300, and restore full bus continuity without re-engineering the power subsystem or disturbing the downstream cards.
