Product Details
Product Description
The Allen-Bradley 1768-PA3 CompactLogix power supply is designed to deliver stable and efficient power to CompactLogix controllers and associated modules. With reinforced isolation and wide input voltage support, it ensures reliable operation in industrial automation environments.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line CompactLogix
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Part Number 1768-PA3
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Category PLC Power Supply
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Weight 2 kg
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Efficiency 75% typical
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Enclosure Type Open-style (no protective housing)
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Input Voltage Range 85–265 V AC, 108–132 V DC
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Input Frequency Range 47–63 Hz (AC input)
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Maximum Input Power 120 VA / 120 W
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North American Temperature Code T4
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Power Dissipation (Max) 30 W
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Isolation Voltage
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250 V reinforced insulation (input to system and 24 V DC AUX), tested at 4250 V DC for 60 s
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150 V basic insulation (24 V DC AUX to system), tested at 2200 V DC for 60 s
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Overcurrent Protection 15 A, user-supplied external protection required
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Wiring Category Category 1 (power ports)
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Conductor Screw Torque 0.6 Nm (5 lb-in)
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Dimensions (L × W × H) 10.55 × 13.27 × 13.13 cm
Application Scenarios
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Powering CompactLogix controllers in distributed control systems
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Industrial automation requiring reliable AC/DC conversion
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Systems needing reinforced isolation for safety compliance
FAQ
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Q: What input voltage ranges are supported? A: 85–265 V AC and 108–132 V DC.
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Q: Does the module include overcurrent protection? A: No, external user-supplied protection up to 15 A is required.
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Q: What type of enclosure does it have? A: Open-style, suitable for installation within protected control panels.
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.
Tech & Buying Guide
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.