1794-PS3 | Allen-Bradley FLEX I/O 24V DC Power Supply, 120/230V AC Input

Allen-Bradley · HMIs & Displays

Description  The Allen-Bradley 1794-PS3 is a FLEX I/O power supply designed to convert 120/230V AC input power into a regulated 24V DC output. It delivers up to 3 A output current and is used to supply power to FLEX I/O modules and adapters in distributed automation systems.   Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category Power Supplies Part Number 1794-PS3 Subcategory FLEX I/O Power Supply Modules Manufacturer Rockwell Automation Product Family FLEX I/O system Product Type DC power supply module Input Voltage Range 85–264 V AC Nominal Input Voltage 120/230 V AC Input Frequency 47–63 Hz Maximum Input Current 1.9 A Nominal Output Voltage 24 V DC Output Voltage Range 20.4–27.6 V DC Output Current 3 A (horizontal), 2.8 A (other mounting) Minimum Load 50 mA Output Power 72 W Overvoltage Protection 35 V DC Overcurrent Protection 3.2 A Isolation Voltage 2500 V DC Power Dissipation 12 W max Thermal Dissipation 41 BTU/hr     Information About 1794-PS3 The 1794-PS3 is part of the Allen-Bradley FLEX I/O system and functions as a dedicated DC power supply module for distributed I/O architectures. It is constructed to support multiple mounting orientations, with full output current available when mounted horizontally. The power supply integrates electrical isolation and protective circuitry to ensure stable operation in industrial environments. It is commonly installed in machine control panels and remote I/O stations where reliable DC power is required for FLEX I/O modules and adapters. Key Features: FLEX I/O power supply module: Designed specifically for Allen-Bradley FLEX I/O systems. Wide AC input range: Accepts 85–264 V AC at 47–63 Hz. 24V DC regulated output: Provides stable power for I/O modules and adapters. 3 A output capability: Rated at 3 A with horizontal mounting. Reduced current for non-horizontal mounting: Delivers 2.8 A in other orientations. Supports multiple modules: Powers up to 8 I/O modules or 6 adapters. Electrical isolation: Provides 2500 V DC isolation between input and output. Overcurrent protection: Protects connected devices from fault conditions. Compact form factor: Suitable for space-constrained installations. The 1794-PS3 delivers the reliability and precision required for distributed I/O power distribution in industrial automation systems.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• FLEX I/O power supply module: Designed specifically for Allen-Bradley FLEX I/O systems.
• Wide AC input range: Accepts 85–264 V AC at 47–63 Hz.
• 24V DC regulated output: Provides stable power for I/O modules and adapters.
• 3 A output capability: Rated at 3 A with horizontal mounting.
• Reduced current for non-horizontal mounting: Delivers 2.8 A in other orientations.
• Supports multiple modules: Powers up to 8 I/O modules or 6 adapters.
• Electrical isolation: Provides 2500 V DC isolation between input and output.
• Overcurrent protection: Protects connected devices from fault conditions.
• Compact form factor: Suitable for space-constrained installations.

Specifications

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