1768-PA3 | Allen-Bradley CompactLogix AC/DC Power Supply Module, 85–265VAC / 108–132VDC Input

Allen-Bradley · Power Supplies & Transformers

Description  The Allen-Bradley 1768-PA3 is an AC/DC power supply module designed for CompactLogix automation systems. It supports a wide input range of 85–265VAC or 108–132VDC, providing flexibility for varied installation environments. The unit delivers regulated backplane power to connected modules and includes integrated overcurrent protection to ensure stable and reliable system operation.     Technical Specifications  Condition New / Never Used Surplus Brand Allen-Bradley Category PLCs/Machine Control Part Number 1768-PA3 Subcategory Power Supply Module Input Power 85–265V AC; 108–132V DC Input Frequency 47–63 Hz (AC only) Input Power, Max 120 VA / 120 W Power Consumption 33.6 W Power Dissipation 7.5 W (module), 30 W max Backplane Current 1.4 A at 24V DC Efficiency 75% typical Inrush Current (Nominal) 25A @ 85–132VAC; 50A @ 195–265VAC Inrush Current (Max) 50A @ 85–132VAC; 80A @ 195–265VAC Isolation Voltage 30V continuous Internal Overcurrent Protection Non-replaceable fuse Recommended External OCP 4–6A @ 28.5–36.7 A²s Enclosure Open-style Shipping Dimensions 8 × 8 × 5 in     Information About 1768-PA3 The 1768-PA3 is part of the CompactLogix family and serves as the primary power source for 1768-system modules. Built with an AC/DC input design, the module accommodates both global AC mains and DC industrial power systems, simplifying integration across diverse applications. Its rugged architecture includes a factory-installed non-replaceable fuse for internal overcurrent protection, enhancing safety and reducing maintenance requirements. Designed to deliver 1.4 A at 24V of backplane current, the module reliably powers CPUs, communication adapters, and expansion modules within CompactLogix control architectures. With an open-style enclosure, it is intended for installation inside an approved industrial control panel and meets typical efficiency and inrush performance demands expected in automation environments. Key Features: Wide AC/DC Input Range: Accepts 85–265VAC or 108–132VDC for flexible installation. Backplane Power Delivery: Supplies 1.4 A at 24V to CompactLogix modules. Integrated Overcurrent Protection: Includes a built-in, non-replaceable fuse for added safety. High Inrush Capacity: Supports 25–50A nominal inrush depending on voltage range. Compact, Panel-Mount Design: Open-style housing for use inside industrial enclosures. High Efficiency: Operates at approximately 75% typical efficiency. Robust Industrial Performance: Designed for reliable operation under varied industrial conditions. AC Power or DC Power Options: Ideal for mixed-voltage installations and retrofit environments. The 1768-PA3 delivers the reliability and precision required for dependable power distribution in CompactLogix automation systems.

Brand: Allen-Bradley · Category: Power Supplies & Transformers

Key features

• Wide AC/DC Input Range: Accepts 85–265VAC or 108–132VDC for flexible installation.
• Backplane Power Delivery: Supplies 1.4 A at 24V to CompactLogix modules.
• Integrated Overcurrent Protection: Includes a built-in, non-replaceable fuse for added safety.
• High Inrush Capacity: Supports 25–50A nominal inrush depending on voltage range.
• Compact, Panel-Mount Design: Open-style housing for use inside industrial enclosures.
• High Efficiency: Operates at approximately 75% typical efficiency.
• Robust Industrial Performance: Designed for reliable operation under varied industrial conditions.
• AC Power or DC Power Options: Ideal for mixed-voltage installations and retrofit environments.

Specifications

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