Product Details
The Honeywell 900P24-0301, also cataloged as the 900P24 Power Supply Module, operates as a dedicated hardware component for direct voltage regulation within ControlEdge HC900 process and safety control system architectures. The unit accepts an input voltage range of 21 to 29 VDC at a 72.5 W rating, converting field DC power to a regulated 24 VDC, 60 W output bus. This assembly provides direct physical and electrical execution for continuous power distribution across controllers, I/O modules, and remote racks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900P24-0301 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.8 kg |
| Dimensions | 137 mm x 72.6 mm x 42 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 72.5 W input rating (60 W regulated output) |
| Part Number | 51450997-005 |
| Input Voltage Range | 21 to 29 VDC |
| Inrush Current | 30 A for 3 ms at 29 VDC |
| Hold-up Time | 20 ms at 115 VAC, 60 Hz (maximum load) |
| Terminal Connection | Screw-type terminals, supports #12-22 AWG wiring |
Channel-to-Channel Isolation & DCS Power Infrastructure
The Honeywell 900P24-0301 power module utilizes internal galvanic separation channels between the primary input terminals and the internal backplane output lines to isolate sensitive processing logic from field DC bus fluctuations. Integrated channel-to-channel isolation prevents ground loop currents from circulating between distributed I/O racks and field-side instruments, supporting stable signal acquisition across 4-20 mA HART loop protocol field networks. The power supply maintains regulated DC bus levels during short-term input voltage drops up to its 20 ms hold-up threshold.
Frequently Asked Questions
Q: What protective measures are integrated into the 900P24-0301 against input current spikes?
A: The module contains an internal, non-replaceable fuse rated to limit fault currents, along with circuit conditioning to absorb an inrush current spike up to 30 A for 3 ms at 29 VDC input.
Q: What conductor sizes are supported by the input and output wiring terminals of the 900P24-0301?
A: The integrated screw-type terminal blocks accept field wiring gauges ranging from #12 to #22 AWG.
Field Installation Guidelines
- Connect a dedicated chassis grounding conductor from the module ground lug directly to the cabinet protective earth (PE) busbar prior to applying input power.
- Ensure all field power wiring terminated at the screw terminals (#12 to #22 AWG) is torqued securely to prevent high-resistance thermal junctions.
- Maintain clear vertical airflow spacing around the module chassis to allow natural thermal heat dissipation during continuous 60 W load operation.
- Confirm that external DC supply feeds stay strictly within the 21 to 29 VDC operating window before energizing the system.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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