Allen-Bradley 1756-PAXTR Power Supply | ControlLogix-XT

Allen-Bradley 1756-PAXTR ControlLogix-XT Redundant Power Supply

The Allen-Bradley 1756-PAXTR is a robust redundant power supply for ControlLogix-XT systems. This module from Rockwell Automation ensures reliable power in challenging industrial conditions.

Core Technical Specifications

• Brand & Manufacturer: Allen-Bradley / Rockwell Automation
• Model & Series: 1756-PAXTR (ControlLogix-XT Series)
• Input Voltage: 85-265V AC (120-240V nominal)
• Input Frequency: 47-63 Hz
• Output Power: 65 Watts continuous
• Input Power: 65W (75VA maximum)
• Isolation Test: 3250V DC for 60 seconds
• Insulation Rating: 250V continuous reinforced insulation

Physical Specifications

• Dimensions: 6.9" × 5.7" × 5.4" (175 × 145 × 137 mm)
• Weight: 3.2 lbs (1.45 kg)
• Width: 6.9 inches (175 mm)
• Height: 5.7 inches (145 mm)
• Depth: 5.4 inches (137 mm)

Environmental & Durability Ratings

• Operating Temperature: -25°C to 70°C (-13°F to 158°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Humidity Range: 5-95% non-condensing
• Maximum Altitude: 2000 meters (6560 feet)
• Vibration Resistance: 2G (10-500 Hz)
• Operating Shock: 30G impact tolerance
• Surge Protection: ±1kV line-line, ±2kV line-earth
• Pollution Degree: 2 (IEC 60664-1)

Safety & Certification Features

• Hazardous Area: ATEX/IECEx Zone 2 certified
• Enclosure Requirement: Minimum IP54 rating
• Tool-access Design: Secure enclosure access only
• Mixed-mode Operation: Compatible with other supply types
• UL Certification: Meets safety standards

Frequently Asked Questions (FAQ)

What does the 1.45 kg weight indicate about this power supply?

• The 1.45 kg (3.2 lbs) weight reflects the robust construction of the 1756-PAXTR. This solid build quality ensures durability in industrial environments with vibration and shock exposure.

Can I use this in regular ControlLogix systems or only XT systems?

• The 1756-PAXTR supports mixed-mode operation. You can use it with both ControlLogix-XT and standard ControlLogix systems, providing flexible redundancy options.

What enclosure protection is required for safe operation?

• You must install the 1756-PAXTR in an enclosure with at least IP54 rating. This protection level prevents dust ingress and water splashes from affecting operation.