The Honeywell 900P01-0201 (Internal Part Number: 51450991-002) serves as the high-stability energy core for the HC900 Process Automation Controller system. This module converts universal AC line voltage into the regulated 24VDC power required by the CPU, communication scanners, and various I/O module sets. Engineered for high-uptime industrial environments, it maintains consistent voltage rails even under significant load fluctuations. We provide this module as 100% Brand New and Original in factory packaging, ensuring total hardware integrity and eliminating the risks of power-related logic resets.
| Feature | Specification Details |
| Model Number | 900P01-0201 |
| Part Number | 51450991-002 |
| Module Type | Regulated Power Supply Module |
| Input Voltage | 100–240 VAC (Universal Industrial Range) |
| Output Voltage | 24 VDC |
| Protection | Overload, Short-circuit, and Thermal Protection |
| Mounting | Dedicated Slot in HC900 Racks (900R08, 900R12) |
| Compatibility | HC900 C52, C70 CPUs; 900B/900G I/O Modules |
| Weight | 1.30 lbs (Shipping Weight 2 kg) |
| Origin | USA |
Global Grid Compatibility: The universal 100–240 VAC input range accommodates global power standards. This allows for immediate deployment in both North American and International facilities without the need for additional step-down transformers.
Advanced Fault Safeguards: Built-in overload and short-circuit protection prevents field-side electrical faults from propagating to the expensive CPU backplane. If a fault occurs, the module safely trips to protect the logic-side hardware.
High-Resolution Output Regulation: The module maintains tight tolerances on its 24VDC output. This clean power delivery is essential for the accuracy of sensitive analog input modules (RTDs, Thermocouples) that rely on stable reference voltages.
Space-Efficient Integration: The slim-profile design slides directly into the dedicated power slot of the 900R08 or 900R12 rack. This internal mounting strategy saves valuable DIN rail space within the control cabinet.
Thermal Resiliency: Optimized heatsink architecture allows the module to operate continuously in demanding industrial temperatures (up to 60°C) without the need for external cooling fans.
What is the difference between 900P01-0201 and 900P02-0001?
The 900P01-0201 is a standard 24VDC power supply designed for specific HC900 rack configurations. Always verify your current rack's power budget and slot requirements before ordering.
Can I replace a 51450991-002 with this module?
Yes. 51450991-002 is the internal manufacturer part number for the 900P01-0201. They are physically and functionally identical.
Does the module come with a warranty?
As a B2B specialist, we guarantee this unit is 100% Brand New. We include a professional 12-month warranty to ensure your process remains online and protected.
Is this power supply suitable for redundant CPU configurations?
Redundant systems typically require two power modules (one for each CPU/Scanner). The 900P01-0201 integrates seamlessly into the redundant rack assemblies to provide a fail-safe power architecture.
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