Description
The Honeywell 51450991-001 (also cataloged as model 900P01-0301 / Type 900-01-0301) is a high-efficiency AC-to-DC switching power supply engineered specifically for Honeywell’s ControlEdge HC900 process and safety controller platform. Designed to anchor system electrical stability, this power supply converts standard universal AC mains voltage into regulated multi-rail DC outputs (+5 VDC and +24 VDC) to energize controller CPU modules, racks, and isolated I/O sub-buses. Its convection-cooled design and robust industrial enclosure ensure reliable continuous power distribution in demanding automation environments.
📊 Product Datasheet & Technical Parameters
| Parameter Name | Technical Specification Value |
| Model Designation / Part Number | Honeywell 51450991-001 / 900P01-0301 |
| Module Type Reference | Type 900-01-0301 (AC Power Supply Module) |
| Manufacturer | Honeywell Process Solutions |
| System Platform | ControlEdge HC900 Controller Platform |
| Input Voltage Range | 90 to 264 VAC (Auto-sensing universal input), 47 to 63 Hz |
| Maximum Input Current | 1.4 A continuous |
| Total Output Power | 58 W Continuous Base |
| DC Output Rails | +5 VDC (6 A max) and +24 VDC (2 A max) |
| Cooling Methodology | Natural Convection (Fanless design) |
| Operating Temperature Range | 0°C to +60°C (+32°F to +140°F) |
| Module Dimensions & Weight | Approximately 137 mm x 72.6 mm x 148 mm / ~0.82 kg |
⚙️ Product Usage Instructions
🔌 Secure Chassis Installation: Firmly slide and snap the power supply module directly into the dedicated power slot on the left side of the HC900 controller or expansion rack backplane.
🔗 Mains Wiring Connection: Connect incoming AC line, neutral, and ground wires securely to the industrial screw terminals, adhering to proper local electrical codes and grounding practices.
⚡ Diagnostic & Voltage Testing: Check front-panel indicators and utilize the built-in test jacks (+5 VDC and +24 VDC) to verify output rail stability prior to initializing controller operation.
💻 Thermal Clearance Management: Ensure adequate vertical spacing and natural airflow around the enclosure chassis to prevent excessive thermal derating during full-load operations.
❓ Frequently Asked Questions (Q&A)
❓ Q1: What is the main function of the Honeywell 51450991-001 module?
✅ A1: It serves as the primary AC-to-DC switching power supply for the ControlEdge HC900 controller rack, delivering regulated 5V and 24V power rails to system electronics.
❓ Q2: Does this power supply require an internal cooling fan?
✅ A2: No, it relies entirely on natural convection cooling, utilizing an optimized internal heat-sink architecture with zero moving parts to enhance operational reliability.
❓ Q3: What input voltage ranges are supported by this unit?
✅ A3: It supports a universal input voltage range from 90 to 264 VAC at 47 to 63 Hz, allowing global deployment without manual voltage switching.
🔍 Recommended Alternative Series and Models
- Honeywell 900P01-0201 (HC900 24 VDC Input Power Supply Module)
- Honeywell 900C50-0360 (ControlEdge HC900 CPU Module)
- Honeywell 900A01-0202 (HC900 8-Channel Universal Analog Input Module)
- Honeywell 900G01-0202 (HC900 16-Channel Digital Input Module)
- Honeywell 900H01-0202 (HC900 16-Channel Digital Output Module)
- Honeywell CC-PWRR01 (Experion Series C Redundant Power Supply Module)
- Honeywell CC-PWRN01 (Experion Series C Non-Redundant Power Supply Module)
- Honeywell FC-TPS-0920 (Safety Manager Power Supply Module)
- Honeywell ControlEdge C300 Controller Unit
- Honeywell Experion Process Knowledge System (PKS) Hardware Architecture
