Description
Is your CompactLogix controller experiencing intermittent fault codes or unexpected drops in communication? The Allen-Bradley 1768-PB3 is a 24 VDC expansion power supply designed explicitly for 1768-L43 and 1768-L45 controller systems. In field deployments involving heavy-duty material handling and high-vibration environments, plant electricians frequently swap out standard supplies for this dedicated DC variant to isolate the control backplane from noisy AC line fluctuations.
Availability, Lead Time, and Warranty
- Condition: New Original (Factory Sealed / New Surplus)
- Availability: In stock (Subject to prior sale)
- Estimated Lead Time: 1–2 business days from order confirmation
- Warranty Period: 12-month comprehensive warranty
- Pricing Notice: The listed price functions as a market reference point. Final transactional pricing varies based on current global logistics surcharges, regional compliance fees, and volume contracts. Please contact our international trade desk for a binding quotation.
Technical Specifications and Field Parameters
Do not confuse this module with standard 1769 series power supplies. The 1768-PB3 mounts on the left side of the 1768 controller bank, dictating the power budget for high-speed motion modules.
| Technical Parameter | Engineering Value |
| Catalog Number | 1768-PB3 |
| Input Voltage Range | 19.2 to 31.2 V DC |
| Nominal Input Voltage | 24 V DC |
| Backplane Current Capacity | 3.5 A at 5.2 V DC; 1.0 A at 24 V DC |
| Inrush Current | Max 30 A at 24 V DC |
| Power Dissipation | 16.5 W |
| Isolation Voltage | 30 V (continuous), Basic Insulation Type |
| Operating Temperature | 0 to +60 °C (32 to 140 °F) |
| Mounting Style | Panel mount or DIN rail (ensure solid grounding) |
Global Trade, Logistics, and Customs Compliance
Shipping high-grade industrial electrical components across borders requires meticulous attention to international regulatory standards to circumvent unexpected customs seizures.
Compliance Notice: The 1768-PB3 carries an Export Control Classification Number (ECCN) of EAR99, indicating it does not require an advanced export license for most commercial destinations. However, end-user verification is still mandatory to comply with global anti-diversion laws.
Incoterms and Logistic Responsibilities
We primary conduct international transactions under FCA (Free Carrier) or EXW (Ex Works) terms. This structure gives your procurement team direct authority over shipping timelines, route selection, and local destination broker assignments. If your operations team requires DAP (Delivered at Place) terms, ensure your regional import tax ID and customs broker details are furnished during order processing; all destination duties, local clearance fees, and VAT remain the responsibility of the buyer.
Customs Documentation and HS Code Precision
To avoid prolonged holds at international hubs, all export documentation features complete, unambiguous cargo declarations.
- HS Code Classification: 85044095 (Static converters, regulated power supplies for automatic data processing units and control systems)
- Country of Origin: United States / Dominican Republic (Verify exact origin on factory label prior to dispatch)
- Documentation Packet: Every package includes a commercial invoice detailing the precise factory serial numbers, an international airway bill, and a packing list detailing the gross shipping weight.
International Packaging and Fragile Freight Mitigation
Power supplies contain heavy internal transformers and capacitors that can break loose if subjected to rough handling during transit.
- Packaging Protocol: Each 1768-PB3 unit is wrapped in an ESD-shielding bag to protect internal logic circuits, placed inside its factory box, and then packed into an outer, triple-wall export carton surrounded by dense, shock-absorbing foam.
- Air Courier Selection: For critical line-down scenarios, we route shipments via express air courier services (DHL Express, FedEx Priority, or UPS Worldwide Saver). Transit times to principal logistics hubs in Asia, Western Europe, and Australia average 2–4 business days.
Payment Terms and Securitization
For standard component orders, we accept direct Telegraphic Transfer (T/T) or verified corporate escrow accounts to expedite immediate fulfillment. For large-scale system overhauls where total procurement exceeds $10,000 USD, we accept an irrevocable Letter of Credit (L/C) at sight, issued and confirmed by an established international banking institution.
Installation Notes for Automation Engineers
Watch the terminal block wiring on this supply. Well, technically it tolerates an input range up to 31.2 VDC, but if your industrial battery charging system spikes above 32V during routine maintenance cycles, you will pop the internal non-replaceable fuse. In my experience, a dedicated, regulated 24 VDC industrial power supply should feed the 1768-PB3 directly—rather than sharing a dirty DC bus with heavy inductive loads like brake coils or large contactors. Check that the grounding script matches the third terminal screw from the left to prevent stray electrical noise from corrupting your CompactLogix backplane communication.
