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
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.