Product Details
Overview
The 1756-PA75R from Allen-Bradley is a redundant power supply designed for ControlLogix systems, providing reliable backup power and high availability in critical automation applications.
Technical Specifications
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Model: 1756-PA75R
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Manufacturer: Allen-Bradley
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Module Type: Redundant Power Supply
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Input Voltage Range: 85–265V AC
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Nominal Input Voltage: 120V/240V AC, 50/60 Hz
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Input Frequency Range: 47–63 Hz
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Maximum Input Power: 120 VA / 115 W
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Output Power: 75 W (0–60 °C / 32–140 °F)
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Inrush Current: 20 A maximum
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Output Current Capacity:
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1.2V: 1.5 A
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3.3V: 4 A
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5.1V: 13 A
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24V: 2.8 A
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Annunciator Power: 240V AC / DC, 50 mA resistive
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Isolation Voltage: 250V continuous, reinforced insulation
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Tested Withstand: 3250V DC for 60 seconds
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Dimensions (HxWxD): 17.5 x 14.5 x 13.7 cm (6.9 x 5.7 x 5.4 in)
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Weight: 1.45 kg (3.2 lb)
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Wire Size Recommendations:
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Power: 2.5 mm² (14 AWG) copper, solid/stranded, 90°C rated
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Annunciator: 0.25–2.5 mm² (22–14 AWG) copper, solid/stranded, 90°C rated
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Wire Category: 3 on annunciator ports, 1 on power ports, 3 on 1756-CPR2 connections
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Conductor Screw Torque: 0.79 N·m (7 lb·in)
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Enclosure Type: Open-style, no enclosure
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Temperature Rating: North American T3C
Features
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Supports fully redundant ControlLogix system configurations
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Provides continuous power isolation and surge protection
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Compact design with robust connectivity for critical applications
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Compatible with ControlLogix chassis and 1756-CPR2 controllers
Applications
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High-availability industrial automation systems
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Mission-critical process control setups
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Redundant power configurations for ControlLogix I/O systems
FAQs
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Q: Can this module operate in a standard single power configuration?
A: Yes, it can function as a standard power supply, but its full redundancy features require a paired module. -
Q: Does it support hot-swapping?
A: Yes, it can be replaced without shutting down the ControlLogix chassis. -
Q: What chassis is it compatible with?
A: Compatible with all standard ControlLogix chassis supporting redundant power supplies.
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
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