Industrial Power Distribution Solution — Allen-Bradley 1775-P3 | PLC-2 Series
The Allen-Bradley 1775-P3 is a multi-output power supply engineered for the PLC-2 family of programmable logic controllers. Designed for demanding industrial environments, it delivers stable, regulated DC power across multiple output rails to support processor modules, I/O racks, and peripheral devices in continuous-duty automation systems.
Where This Product Is Used
The 1775-P3 is deployed across a broad range of industrial control architectures where reliable multi-rail power distribution is critical:
- Discrete Manufacturing Lines — Powering PLC-2 processor and I/O modules on automotive assembly, metal stamping, and packaging lines.
- Material Handling Systems — Supplying stable DC power to conveyor control panels and sortation logic controllers.
- Water & Wastewater Treatment — Installed in pump station control panels requiring 24/7 uninterrupted power to SCADA-connected PLCs.
- Oil & Gas Field Panels — Used in wellhead and pipeline monitoring enclosures where multi-output regulation prevents cross-rail interference.
- Food & Beverage Processing — Integrated into washdown-rated control cabinets supporting PLC-2 based recipe and batch control systems.
- Utilities & Power Generation — Deployed in substation automation panels alongside legacy Allen-Bradley PLC-2 infrastructure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 1775-P3 |
| Series | Allen-Bradley PLC-2 |
| Type | Multi-Output Power Supply |
| Output Configuration | Multiple regulated DC output rails |
| Input Voltage | 120/240 VAC, 50/60 Hz (nominal) |
| Weight | 3,780 g (approx. 8.3 lb) |
| Mounting | DIN rail / panel mount (PLC-2 rack compatible) |
| Operating Temperature | 0°C to 60°C |
| Enclosure Rating | Open-frame (for use inside rated enclosures) |
| Manufacturer | Allen-Bradley / Rockwell Automation |
Note: Verify all specifications against the official Allen-Bradley 1775-P3 datasheet prior to system integration. Konmask.com provides this data as a reference guide only.
Why Engineers Specify This Model
- Multi-Rail Output Architecture — Simultaneously powers processor, I/O, and communication modules from a single supply unit, reducing panel footprint and wiring complexity.
- PLC-2 Ecosystem Compatibility — Designed as a native component of the Allen-Bradley PLC-2 platform; no adaptation hardware required.
- Proven Field Reliability — Widely deployed in legacy industrial infrastructure with documented multi-decade service life in stable thermal environments.
- Regulated Output Stability — Maintains output voltage within specification under variable load conditions, protecting sensitive processor and communication modules.
- Simplified Maintenance — Direct form-fit-function replacement for existing 1775-P3 installations; no firmware or configuration changes required.
- Sourcing Continuity — Available as a tested surplus / refurbished unit through authorized industrial component distributors, extending the service life of installed PLC-2 systems.
Complete System Bill of Materials
The 1775-P3 is typically specified alongside the following Allen-Bradley PLC-2 platform components:
| Part Number | Description | Role in System |
|---|---|---|
| 1772-LX | PLC-2/20 Processor | Main logic controller |
| 1772-LXP | PLC-2/30 Processor | Enhanced logic controller |
| 1775-S4A | I/O Chassis | I/O module rack |
| 1771-OBD | DC Output Module | Field device control |
| 1771-IBD | DC Input Module | Field signal acquisition |
| 1775-P3 | Multi-Output Power Supply | This unit — system power distribution |
| 1785-KA | DH+ Communication Adapter | Network connectivity |
Compliance & Industry Standards
- UL Listed — Manufactured to UL 508 Industrial Control Equipment standards (original production).
- CE Marking — Compliant with applicable EU Low Voltage and EMC Directives for the original production period.
- RoHS — Original manufacture predates RoHS; verify compliance requirements with your regional authority for legacy component use.
- IEC 61131-2 — PLC-2 platform designed in alignment with programmable controller hardware standards.
- NFPA 79 — Suitable for integration into industrial machinery electrical panels per NFPA 79 guidelines when installed within a rated enclosure.
Compliance documentation available upon request for qualified OEM and system integrator customers.
Quality Assurance & Sourcing
All Allen-Bradley 1775-P3 units offered through Konmask.com are subject to the following quality process:
- Visual Inspection — Checked for physical damage, corrosion, burnt components, and label integrity.
- Functional Power-On Test — Output voltage rails verified under load prior to shipment.
- Cleaning & Reconditioning — Units cleaned and inspected for capacitor condition and connector integrity.
- Traceability — Serial number and revision level documented at time of inspection.
- Packaging — Anti-static bagged and foam-cushioned for safe international transit.
Konmask.com sources industrial automation components through verified supplier networks. We do not misrepresent refurbished units as new. Condition is clearly stated on each product listing.
How to Source This Part
- Add to Cart — Select quantity and proceed to checkout directly on this page.
- Request a Quote — For bulk orders (>3 units) or project-based procurement, contact us at support@konmask.com for volume pricing.
- Expedited Sourcing — If this unit is out of stock, contact us with your required delivery date. We maintain active sourcing channels for PLC-2 platform components.
- Export & Cross-Border Orders — We ship internationally. Contact us for HS code documentation, commercial invoice templates, and freight options.
- Phone / WhatsApp — Reach our technical sourcing team at +0086 19859288691 for urgent requirements.
Application-Specific FAQ
Q: Is the 1775-P3 compatible with all PLC-2 chassis configurations?
A: The 1775-P3 is designed for the Allen-Bradley PLC-2 platform. Compatibility depends on chassis revision and rack configuration. Consult the 1775-P3 installation manual or contact our technical team before ordering for a specific application.
Q: Can this power supply be used as a direct replacement for a failed unit in an existing system?
A: Yes. The 1775-P3 is a form-fit-function replacement for existing installations. No software or configuration changes are required. Verify revision level compatibility with your system integrator.
Q: What is the typical lead time for this part?
A: In-stock units ship within 1–3 business days. For sourced units, lead time is typically 5–15 business days depending on availability. Contact us for current stock status.
Q: Do you provide a warranty on refurbished units?
A: Yes. Konmask.com provides a 90-day functional warranty on all tested surplus and refurbished units. Terms available upon request.
Q: Can you supply multiple units for a plant-wide spare parts program?
A: Yes. We support OEM, MRO, and spare parts procurement programs. Contact us for standing order arrangements and volume pricing.
Q: Is this product available for export outside China?
A: Yes. We ship globally. Export documentation including commercial invoices and packing lists is provided as standard. Contact us for country-specific requirements.
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Contact: support@konmask.com | +0086 19859288691
