Product Details
Product Overview
The Allen-Bradley 1746-P1 is a compact AC power supply module designed for the SLC 500 modular controller series. It delivers reliable backplane power to the processor and I/O modules within the SLC chassis, ensuring stable system operation under varying industrial conditions. Supporting a wide AC input range and robust output capacity, this power module provides consistent performance for small to medium control configurations.
Technical Specifications
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Manufacturer: Rockwell Automation
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Brand: Allen-Bradley
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Model Number: 1746-P1
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Series: SLC 500
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Product Type: Power Supply Module
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Input Voltage Range: 120–220 VAC
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Input Frequency: 47–63 Hz
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Input Power: 42 W
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Output Voltage Range: 18–30 VDC
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Internal Current Capacity:
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2 A @ 5 VDC
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0.46 A @ 24 VDC
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Backplane Current:
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2 A @ 5 VDC
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0.46 A @ 24 VDC
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Inrush Current: 20 A
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Fuse Protection: 1746-F1 or equivalent
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Mounting Location: Installed in the leftmost slot of the 1746 chassis
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Dimensions (H x W x D): 14.0 x 5.8 x 14.5 cm (5.5 x 2.3 x 5.7 in)
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Weight: 0.9 kg (2 lb)
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Operating Temperature: 0°C to +60°C (32°F to 140°F)
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Storage Temperature: -40°C to +85°C (-40°F to 185°F)
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Relative Humidity: 5–95%, non-condensing
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Cooling Method: Natural convection
Application Scenarios
The Allen-Bradley 1746-P1 is commonly used in:
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SLC 500-based control panels requiring AC input and DC backplane output
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Manufacturing and assembly line automation
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Process control systems with mid-range I/O requirements
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Retrofit or expansion of existing Allen-Bradley SLC systems
FAQ
Q: Is the 1746-P1 compatible with all SLC 500 chassis models?
A: Yes, it is compatible with all standard SLC 500 chassis including 1746-A4, 1746-A7, and 1746-A10.
Q: Does the 1746-P1 include built-in fuse protection?
A: Yes, it uses the 1746-F1 fuse or an equivalent component for overcurrent protection.
Q: Where should the power supply be installed in the chassis?
A: It should always be installed in the leftmost slot of the 1746 chassis for proper operation.
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.