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1771-A4B

Allen-Bradley 1771-A4B Backplane Chassis 16 Slots

In stock (24 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1771-A4B

  • Product Type: I/O Chasis

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 7700g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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  • 24/7 Support
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Description

Allen-Bradley 1771-A4B I/O Chassis

The Allen-Bradley 1771-A4B is a 16-slot I/O chassis. It houses modules for PLC-5 and SLC 500 control systems.

Core Specifications

  • Brand & Model: Allen-Bradley 1771-A4B
  • Module Type: I/O Chassis
  • Number of Slots: 16 I/O slots
  • Weight: 7.7 kg (14.8 lbs)
  • Dimensions: 89 × 165 × 51 mm
  • Max Backplane Current: 24 A at 5 VDC
  • Operating Temp: 0°C to 60°C
  • MTBF: 500,000 hours
  • Approvals: UL, CE

Key Features

  • High-capacity 16-slot backplane
  • Robust 7.7 kg open-style chassis
  • High 24A backplane current
  • Reliable 500,000 hours MTBF
  • Wide 0°C to 60°C operating range
  • Vibration and shock resistant
  • For PLC-5 and SLC 500 systems

Package Contents

  • One Allen-Bradley 1771-A4B chassis
  • Mounting hardware
  • Installation guide

Shipping & Support

  • FedEx, UPS, DHL shipping

FAQ

How many modules can it hold?

This chassis provides 16 slots for Allen-Bradley 1771 series I/O, communication, and special function modules.

What is the backplane power capacity?

The backplane can supply up to 24 amperes at 5 VDC to all installed modules.

What PLC systems is it for?

The 1771-A4B is designed for use with Allen-Bradley PLC-5 and SLC 500 programmable controllers.

🏷️ Tags: I/O Chasis
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  • Confirm the exact model, part number, and specifications before ordering.
  • Ensure compatibility with your current machinery or control systems.
  • Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
  • Review delivery options, lead times, and shipping requirements.
  • 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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