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1756-A4

Allen-Bradley 1756-A4 4-Slot 4W ControlLogix Chassis

In stock (24 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-A4

  • Product Type: ControlLogix Chassis

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 750g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Product Overview

The Allen-Bradley 1756-A4 is a 4-slot chassis for ControlLogix systems. It provides backplane power distribution for up to four I/O modules. 

Key Specifications

  • Brand: Allen-Bradley / Rockwell Automation
  • Model: 1756-A4
  • Series: ControlLogix
  • Module Type: Chassis / Backplane
  • Slots: Four (4)
  • Dimensions: 20 × 20 × 8 inches
  • Weight: 1.7 pounds (0.75 kilograms)
  • Available Series: Series A, B, C

Power Specifications

  • Power Dissipation (Max): 4 Watts
  • Backplane Current (5 Volts DC): 10 Amps
  • Backplane Current (24 Volts DC): 2.8 Amps

Backplane Current Ratings

  • 1.2V DC: 1.5A (chassis) / - (slot)
  • 3.3V DC: 4A (chassis) / 4A (slot)
  • 5.1V DC: 15A (chassis) / 6A (slot)
  • 24V DC: 2.8A (chassis) / 2.8A (slot)

Additional Features

  • Operating Altitude: Up to 2000 meters
  • Installation Type: Panel Mount
  • Compatible with all ControlLogix modules
  • Multiple series available (A, B, C) for flexibility

Key Features

  • 4-slot capacity for modular I/O expansion
  • High backplane current capacity: 10A at 5V
  • Low power dissipation: only 4W max
  • Panel mount design for secure installation
  • Up to 2000m altitude operation
  • Compatible with Series A, B, and C modules

Package Contents

  • 1x 1756-A4 ControlLogix Chassis
  • Mounting hardware kit
  • Installation instructions

FAQ

Q: How many modules can the 1756-A4 accommodate?

A: The 1756-A4 has four slots and can accommodate up to four ControlLogix I/O modules or controllers.

Q: What is the maximum backplane current available?

A: The chassis provides 10A at 5V DC and 2.8A at 24V DC. Individual slot limits are 6A at 5.1V and 2.8A at 24V.

Q: What is the difference between Series A, B, and C?

A: Later series include minor revisions and improvements. All are functionally compatible with standard ControlLogix modules.

🏷️ Tags: ControlLogix Chassis

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  • Ensure compatibility with your current machinery or control systems.
  • Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
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  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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