The 1794-PS1 is an industrial-grade AC-to-DC power supply module engineered by Allen-Bradley brand. Designed specifically to complement and sustain distributed architectures within the FLEX I/O hardware family, this device functions as a localized power source. Its primary role is to convert standard incoming industrial AC line power into a regulated, stable 24V DC output. This output is directly utilized to energize a FLEX I/O network adapter module (such as an EtherNet/IP, ControlNet, or DeviceNet adapter) along with its linked internal backplane and field-side components. Structurally, the unit features a compact, standalone fingerprint engineered for straightforward 35 mm DIN rail mounting or direct panel attachment inside an industrial control cabinet. The 1794-PS1 allows facilities to partition their distributed I/O blocks into localized power zones, reducing the reliance on centralized power lines and mitigating systemic voltage drops across long wire spans. It is also designed with internal overvoltage and surge suppression mechanisms, providing a stable voltage platform that shields sensitive downstream electronics from power fluctuations common on active plant floors.

Nominal Input Voltage: 120V AC / 230V AC @ 47…63 Hz

Input Voltage Range: 85…265V AC

Maximum Input Current: 0.7 Amps @ 120V AC; 0.4 Amps @ 230V AC

Nominal Output Voltage: +24V DC

Output Voltage Range: 22.8…25.2V D

Maximum Output Continuous Current: 1.0 Amp continuous output capacity

Minimum Operational Load Requirement: 100 mA

Operating Ambient Temperature Range: 0…55 °C (32…131 °F)

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