Product Details
The Honeywell 51155506-150, also cataloged as the 51155506-150 Power Supply Unit, operates as a dedicated hardware component for direct DC power delivery within Honeywell Experion PKS and TDC 3000 DCS platforms. It converts an 85-265 Vac AC line input into a regulated 120 Vdc output at 1.25 A with a 150 W total load capacity.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51155506-150 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.4 kg |
| Dimensions | 7 cm x 14 cm x 14.5 cm |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | 150 W output rating (Up to 90% efficiency) |
| Input Voltage Range | 85-265 Vac |
| Input Frequency | 47-63 Hz |
| Output Voltage / Current | 120 Vdc / 1.25 A |
| System Compatibility | Honeywell Experion PKS / TDC 3000 |
4-20 mA HART Loop Protocol & Galvanic Isolation
The 51155506-150 integrates high-frequency switching regulation alongside internal filtering to maintain high power conversion efficiency up to 90%. Galvanic isolation barriers between the 85-265 Vac AC input line and the 120 Vdc output bus suppress common-mode electrical noise and prevent ground potential differentials. This regulated low-ripple rail prevents power disturbance propagation to downstream I/O networks, preserving signal integrity across analog loops executing 4-20 mA HART loop protocol transmissions.
Frequently Asked Questions
Q: Can the 51155506-150 power supply unit be hot-swapped while the DCS chassis is under load?
A: Hot-swapping is restricted unless configured in a redundant power rack topology; single-bus installations require AC supply power to be isolated prior to physical unit removal.
Q: What input frequency range is accepted by the 51155506-150 unit?
A: The internal rectification stage accepts input frequencies ranging from 47 Hz to 63 Hz across the full 85-265 Vac input range.
Field Installation Guidelines
- Disconnect and lock out all AC mains incoming supply lines before connecting field conductors to the input terminals.
- Mount the 0.4 kg chassis securely to cabinet rails using standard mounting hardware to maintain chassis earth continuity.
- Wire the 120 Vdc output lines using properly rated industrial cabling, ensuring correct polarity alignment at terminal blocks.
- Maintain unrestricted clearance around top and side ventilation paths to allow adequate thermal heat dissipation during maximum 150 W load operation.
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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