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
-
Model: 1756-PA75R
-
Manufacturer: Allen-Bradley
-
Module Type: Redundant Power Supply
-
Input Voltage Range: 85–265V AC
-
Nominal Input Voltage: 120V/240V AC, 50/60 Hz
-
Input Frequency Range: 47–63 Hz
-
Maximum Input Power: 120 VA / 115 W
-
Output Power: 75 W (0–60 °C / 32–140 °F)
-
Inrush Current: 20 A maximum
-
Output Current Capacity:
-
1.2V: 1.5 A
-
3.3V: 4 A
-
5.1V: 13 A
-
24V: 2.8 A
-
Annunciator Power: 240V AC / DC, 50 mA resistive
-
Isolation Voltage: 250V continuous, reinforced insulation
-
Tested Withstand: 3250V DC for 60 seconds
-
Dimensions (HxWxD): 17.5 x 14.5 x 13.7 cm (6.9 x 5.7 x 5.4 in)
-
Weight: 1.45 kg (3.2 lb)
-
Wire Size Recommendations:
-
Power: 2.5 mm² (14 AWG) copper, solid/stranded, 90°C rated
-
Annunciator: 0.25–2.5 mm² (22–14 AWG) copper, solid/stranded, 90°C rated
-
Wire Category: 3 on annunciator ports, 1 on power ports, 3 on 1756-CPR2 connections
-
Conductor Screw Torque: 0.79 N·m (7 lb·in)
-
Enclosure Type: Open-style, no enclosure
-
Temperature Rating: North American T3C
Features
-
Supports fully redundant ControlLogix system configurations
-
Provides continuous power isolation and surge protection
-
Compact design with robust connectivity for critical applications
-
Compatible with ControlLogix chassis and 1756-CPR2 controllers
Applications
-
High-availability industrial automation systems
-
Mission-critical process control setups
-
Redundant power configurations for ControlLogix I/O systems
FAQs
-
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
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.
PLC vs. PAC: Navigating Selection in Modern Industrial Automation
Selecting the right controller is a fundamental decision in industrial automation. While the lines between Programmable Logic Controllers (PLC) and Programmable Automation Controllers (PAC) often blur, understanding their core architectural differences is essential for system reliability. Both controllers serve as the brain of control systems, yet their specific capabilities dictate their suitability for various factory automation tasks.
Transforming Textile Manufacturing: The Strategic Integration of Industrial Automation and AI
The textile industry stands at a critical technological crossroads. Legacy operations must now embrace digital transformation to remain competitive in a global market. By integrating advanced industrial automation—ranging from PLC-controlled machinery to sophisticated AI-driven analytics—manufacturers can significantly boost productivity, minimize material waste, and elevate overall product quality.