Allen-Bradley | DC Power Supply 1756-PB30XT

Allen-Bradley ControlLogix-XT 1756-PB30XT DC Power Supply

The 1756-PB30XT is an extended temperature DC power supply from the Allen-Bradley ControlLogix-XT series. Rockwell Automation designed this power supply for harsh industrial environments with operation from -25°C to 70°C (-13°F to 158°F). It delivers 30W continuous output with multiple voltage rails.

Key Features

• Extended temperature operation: -25°C to 70°C (-13°F to 158°F)
• Designed for harsh industrial environments
• Left-side chassis mounting only
• Compact design: 5.51" x 4.41" x 5.71"
• Lightweight: 2.1 lbs (0.95 kg)
• 30G shock and 2G vibration resistance
• Compatible with FlexLogix I/O XT products

Power Specifications

• Input Voltage: 18-32V DC (24V nominal)
• Max Inrush Current: 20A
• Output Power: 30W continuous
• Isolation Voltage: 250V continuous
• Current Capacity: 1.5A @1.2V, 4A @3.3V, 8A @5.1V, 1.75A @24V

Environmental Ratings

• Operating Temperature: -25°C to 70°C (-13°F to 158°F)
• Humidity: 5-95% non-condensing
• Operating Shock: 30G
• Vibration: 2G (10-500Hz)
• Pollution Degree: 2

Compatible Chassis

• 1756-A4LXT/B
• 1756-A5XT/B
• 1756-A7LXT/B
• 1756-A7XT/B
• 1756-A7XT/C
• 1756-A10XT/C

Installation Requirements

• Left slot mounting only
• 14 AWG (2.5mm²) copper wiring
• Wire rating: 90°C (194°F) minimum
• Maximum insulation: 1.2mm (3/64")
• Open enclosure design

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. What is the part number for this power supply?

The part number is 1756-PB30XT.

2. What is the operating temperature range for the 1756-PB30XT?

It operates from -25°C to 70°C (-13°F to 158°F), making it ideal for extreme environments.

3. Where must this power supply be mounted in the chassis?

The 1756-PB30XT requires left slot mounting only in compatible ControlLogix-XT chassis.