1771-A2B

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Overview of Allen-Bradley 1771-A2B I/O Chassis Assembly

The Allen-Bradley 1771-A2B is an 8-slot I/O chassis designed for housing modular I/O and communication modules in PLC-5 automation systems. It provides a backplane for data and power distribution to the modules, allowing flexible system configuration with reliable performance.

Key Features of 1771-A2B

  • Eight (8) I/O slots for module installation.
  • Supports back-plane current up to 15 Amperes at 5 Volts DC.
  • Open-style enclosure designed for panel or back-panel mounting.
  • Suitable for use in robust industrial environments with adequate spacing for cooling.
  • Vibration and shock resistant to meet industrial standards.
  • Dimensions: 12.4 in (W) x 14.0 in (H) x 7.6 in (D).
  • Weight: Approximately 10.3 lbs (4.67 kg).
  • Compatible with Allen-Bradley PLC-5 I/O and communication modules.
  • Supports 1/2-slot, 1-slot, or 2-slot addressing depending on module configuration.

Technical Specifications

Specification Description
Number of Slots 8
Backplane Voltage 5 V DC
Backplane Current 15 A max @ 5 V DC
Mounting Type Back panel or panel mounting
Enclosure Style Open style
Dimensions (W x H x D) 12.4 x 14.0 x 7.6 in (315 x 356 x 193 mm)
Weight ~10.3 lbs (4.67 kg)
Operating Temperature 0 to 60 °C (32 to 140 °F)
Storage Temperature -40 to 85 °C (-40 to 185 °F)
Vibration Resistance 2 g at 10-500 Hz
Shock Resistance 15 g operating, 30 g non-operating
Compatibility Allen-Bradley PLC-5 modules

Applications / Use Cases

The 1771-A2B chassis is used in industrial automation systems to house digital and analog I/O modules in compact configurations. It enables scalable and flexible control applications across manufacturing, process control, and infrastructure automation environments.

1771-A2B

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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