Allen-Bradley

24V DC XT Power Supply 1756-PBXT Allen Bradley

In stock, ready to ship

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-PBXT

  • Product Type: ControlLogix-XT DC Power Supply

  • Product Origin: USA

  • Payment: T/T

  • Weight: 1100g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product Overview

The Allen-Bradley 1756-PBXT is a ControlLogix-XT DC power supply for extended temperature applications. It accepts 19.2-32 V DC input and delivers 13 A at 5 V DC to the chassis backplane, operating in temperatures from -25 to +70 °C for extreme environments.

Key Specs

  • Input voltage: 19.2-32 V DC (nominal 24 V DC)
  • Output current: 13 A @ 5 V DC, 4 A @ 3.3 V DC, 1.5 A @ 1.2 V DC, 2.8 A @ 24 V DC
  • Output power: 75 W max
  • Operating temperature: -25 to +70 °C
  • Compatible chassis: 1756-A4LXT, A5XT, A7LXT, A7XT, A10XT
  • Hold-up time: 35 ms @ 18 V DC, 40 ms @ 24 V DC

Why Choose This

  • Extended temperature rating for outdoor or unheated enclosures
  • High 13 A backplane capacity supports fully loaded chassis
  • Conformal-coated components for harsh environments
  • Direct chassis mounting without additional hardware

Common Questions

  • Which chassis does it fit? ControlLogix-XT chassis: 1756-A4LXT, A5XT, A7LXT, A7XT, and A10XT.
  • What is the input voltage range? 19.2 to 32 V DC with nominal 24 V DC.
  • Is it redundant? No, for redundancy use the 1756-PBXTR with the 1756-PSCA2XT adapter.

Mounting Steps

  1. Power off and remove the existing power supply if replacing.
  2. Align the 1756-PBXT with the chassis power supply slot.
  3. Slide into position until the locking mechanism engages.
  4. Connect 24 V DC input power to the terminal connections.
  5. Verify the status LED indicates normal operation.

Buying Advice

  • Select 1756-PBXT for XT chassis in extreme temperature installations.
  • For standard chassis, use the 1756-PB75 instead.
  • For redundant power, specify the 1756-PBXTR bundle.
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