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
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Essential Motion Control Commands: A Practical Guide for Engineers
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The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.