Allen-Bradley 1794-PS3 I/O Power Module

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Allen-Bradley 1794-PS3 I/O Power Module

Product Description

The Allen-Bradley 1794-PS3 is a 24V DC power supply module designed for the FLEX I/O system, providing reliable power to communication adapters and I/O modules in industrial automation applications. It converts 120V/220V AC input to 24V DC output, supporting a maximum current of 3.0A (horizontal mounting) or 2.8A (other orientations) .

Key Features & Advantages

• High Power Output – Delivers 3.0A @ 24V DC (horizontal mounting), suitable for powering multiple FLEX I/O modules .

• Wide Input Voltage Range – Supports 120V/220V AC input, adaptable to various industrial power systems .

• Compact & Robust Design – DIN rail or panel-mounted, with IP20 protection for industrial environments .

• Surge Current Capability – Can drive up to six adapters with a surge current of 23A for 2ms .

• Compliance with Standards – Certified by CE, C-TICK, CUL, GOST, KC, MARINE, UL .

Technical Specifications

Applications

The 1794-PS3 is widely used in:

• Manufacturing Automation – Powering distributed I/O systems in assembly lines.

• Energy & Power Systems – Supporting control modules in substations.

• Water & Wastewater Treatment – Providing stable power for pump and valve controls .

• Building Automation – Enabling reliable operation of safety interlocks and HVAC systems.

Precautions

• Ensure proper grounding to avoid electrical noise interference.

• Verify input voltage compatibility (120V/220V AC) before installation.

• Avoid overloading the module beyond its rated current capacity.

• Use shielded cables in high-noise environments for signal integrity .

The structure and details of the product：

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