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
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.
Mastering the Factory Acceptance Test (FAT) for PLC Control Panels: An Expert Guide
The Factory Acceptance Test (FAT) is a vital milestone in industrial automation that ensures custom PLC panels meet exact design specifications before dispatch. This guide outlines the step-by-step FAT procedure and key industry best practices to prevent costly site delays and ensure long-term operational success.