Product Details
Overview
The 1746-P7 by Allen-Bradley is a reliable DC power supply designed for the SLC 500 automation platform. It delivers stable voltage to the chassis, ensuring consistent performance for processors and I/O modules under varying load conditions.
Technical Specifications
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Brand & Model: Allen-Bradley 1746-P7
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Product Type: SLC 500 DC Power Supply
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Product Line: SLC 500
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Module Type: Power Supply
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Input Voltage Range: 10–30 V DC
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Input Power: 50 VA (12V input), 75 VA (24V input)
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Inrush Current: 20 A required for initial turn-on
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Internal Current Capacity:
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12 V DC input: 2.0 A at 5 V DC, 0.46 A at 24 V DC
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24 V DC input: 3.6 A at 5 V DC, 0.87 A at 24 V DC
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CPU Hold-Up Time:
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12 V input: 1.37 ms (full load, 0 V), 895 ms (no load, 0 V)
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24 V input: 40 ms (full load, 0 V), 1860 ms (no load, 0 V)
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Backplane Current (24 V): 0.46 A
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Operating Frequency: 47–63 Hz
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Operating Temperature: 0–60°C
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Fuse Protection: 1746-F1 or equivalent
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Location: Installed in 1746 chassis
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Weight: 2.19 lbs (0.99 kg)
Features
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Provides DC power for SLC 500 processor and I/O modules
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Supports full operational hold-up for transient load conditions
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Compact design for easy installation in 1746 chassis
Applications
Ideal for powering SLC 500 PLC systems in manufacturing, process control, and automation panels.
FAQ
Q: Can the 1746-P7 handle 24V input?
A: Yes, it supports 10–30 V DC input, including 24 V DC at full load.
Q: What is the maximum power output?
A: Up to 75 VA at 24 V DC input.
Q: Does it require a special fuse?
A: Yes, a 1746-F1 or equivalent fuse is recommended.
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.