
Product Overview
The Honeywell 51192337-101 is a C300-series DC-DC power conversion module engineered to supply stable, regulated low-voltage power to the controller and I/O backplane within a Honeywell Experion PKS distributed control system. Honeywell designed the Honeywell 51192337-101 as the dedicated power element for the C300 controller carrier assembly, occupying the slot or carrier position responsible for converting the 24 V DC instrument supply already present in the cabinet into the 5 V DC backplane bus voltage required by the C300 controller module and Series 8 I/O electronics. In this role, the module is not a general-purpose cabinet power supply but a precisely specified system power component whose output regulation, ripple, and transient response are matched to the demands of deterministic control execution.
The Honeywell 51192337-101 accepts a nominal 24 V DC input across an 18–36 V DC tolerance band, allowing it to ride through the sags, swells, and noise commonly seen on industrial DC buses without interruption. The module then delivers approximately 5 V DC at up to 8 A to the backplane, supporting a total power capacity in the region of 40 W depending on the installed load configuration. This conversion happens behind the same carrier framework that holds the C300 controller and its IOTA, so the Honeywell 51192337-101 integrates without separate panel space, external cabling, or additional cooling.
Built for continuous-duty process control, the Honeywell 51192337-101 incorporates short-circuit, overload, overtemperature, and input reverse-polarity protection, along with galvanic isolation between input and output to suppress ground loops and field-side surges. In redundant racks, two modules can be configured for N+1 or hot-backup operation, ensuring that the failure of one power element does not interrupt controller operation. Whether the requirement is a planned spare, a direct replacement for a failed unit, or a power-element refresh during a C300 migration, the Honeywell 51192337-101 C300 Power Module delivers the quiet, reliable backplane power on which controller availability depends.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 51192337-101 |
| Manufacturer | Honeywell (Honeywell Process Solutions) |
| Product Type | C300 DC-DC Converter / Power Module |
| Series / Platform | Honeywell Experion PKS (C300 Controller / Series 8 I/O) |
| Core Function | Convert field 24 V DC supply to regulated 5 V DC backplane bus voltage |
| Input Voltage (Nominal) | 24 V DC |
| Input Voltage Range | 18–36 V DC |
| Output Voltage | 5 V DC (backplane bus) |
| Output Current | Approximately 8 A maximum (load-configuration dependent) |
| Power Capacity | Approximately 40 W |
| Isolation | ≥ 1500 V DC input-to-output (typical) |
| Protection Features | Short-circuit, overload, overtemperature, input reverse polarity |
| Redundancy Support | N+1 / hot-backup capable (dual-module configurations) |
| Status Indicators | PWR / OK (green), FAULT (red) |
| Mounting | DIN-rail or plug-in mounting; installed in C300 carrier frame |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C (typical) |
| Humidity | 5–95% RH, non-condensing |
| Compliance | CE; safety approvals confirmed against unit nameplate |
| MTBF | > 100,000 hours (typical, MIL-HDBK-217F methodology) |











