Product Details
Overview
The 1794-PS3 is an Allen-Bradley FLEX I/O power supply designed to deliver stable 24V DC output for industrial control systems. It is optimized for compact installation with open-style mounting and provides high reliability across a wide input voltage range.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: FLEX I/O
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Part Number: 1794-PS3
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Product Type: FLEX I/O Power Supply Module
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Indicators: 1 green power status LED
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Nominal Input Voltage: 120V AC, 47–63 Hz, 1.4 A; 230V AC, 47–63 Hz, 0.8 A
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Input Voltage Range: 85–264V AC
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Maximum Input Current: 1.9 A
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Inrush Current: 30 A, 1 AC cycle @ 264V AC, 55 °C
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Nominal Output Voltage: +24V DC
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Output Voltage Regulation: 20.4–27.6V DC (±15%, includes noise and 5% AC ripple)
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Maximum Output Current: 3 A horizontal mount; 2.8 A other orientations
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Output Power: 72 W
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Power Dissipation: 12 W
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Thermal Dissipation: 41.0 BTU/hr
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Terminal Base Screw Torque: 0.8 Nm (7 lb-in.)
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Enclosure: Open-style, no enclosure
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Dimensions (HxWxD): 87 × 94 × 69 mm (3.43 × 3.70 × 2.72 in)
Key Features
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Stable 24V DC Output: Ensures reliable power to FLEX I/O modules
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Wide Input Range: Operates under 85–264V AC with high tolerance to inrush current
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Compact Open-Style Design: Allows flexible installation in control cabinets
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Visual Power Indicator: Green LED confirms module operation
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Low Thermal Dissipation: Efficient design reduces heat buildup
Applications
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Powering FLEX I/O digital and analog modules
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Industrial process control and automation cabinets
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Systems requiring compact, high-reliability 24V DC supply
FAQs
Q: What is the maximum output current of the 1794-PS3?
A: Up to 3 A for horizontal mounting, 2.8 A for other orientations.
Q: What is the input voltage range supported?
A: 85–264V AC, 47–63 Hz.
Q: Does this module include an enclosure?
A: No, it is open-style and designed for panel mounting.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.