Allen Bradley AB Power Supply 1768-PA3 /A

Allen-Bradley 1768-PA3/A CompactLogix Power Supply

The Allen-Bradley 1768-PA3/A is a robust power supply module engineered for the CompactLogix 1768 series controllers, delivering reliable power to industrial automation systems.

Key Features

• Input Voltage: Accepts a wide range of inputs: 85–265 VAC (47–63 Hz) or 108–132 VDC, ensuring compatibility with various power sources.
• Output Capacity: Provides 24 V DC at 3.5 A to the backplane and an auxiliary output of 24 V DC at 0.25 A via screw terminals, supporting multiple system components.
• Protection Mechanisms: Equipped with internal overcurrent protection through a non-replaceable 15 A fuse, safeguarding connected devices.
• Efficiency: Operates at approximately 75% efficiency, with a maximum power dissipation of 30 W, optimizing energy use.
• Mounting Options: Features an open-style enclosure suitable for DIN-rail or panel mounting, offering flexibility in installation.
• Environmental Tolerance: Designed to function within a temperature range of 0–60 °C and up to 95% relative humidity (non-condensing), ensuring reliability in diverse conditions.
• Certifications: Complies with UL (Class I Div 2), CE, and RoHS standards, meeting industry safety and environmental requirements.

Technical Specifications

• Input Power: Maximum of 120 VA / 120 W.
• Inrush Current: Typical 25 A at 85–132 V AC; maximum 50 A.
• Isolation Voltage: 30 V continuous.
• Dimensions: Approximately 105 × 132 × 132 mm.
• Weight: Approximately 0.9 kg (2 lb).

The 1768-PA3/A power supply is integral to maintaining the operational integrity of CompactLogix systems, offering consistent and efficient power delivery tailored for industrial automation applications.