Allen Bradley 1771-A1B PLC-5 Series I/O Chassis

FAQ

Q1. What is the 1771-A1B used for?
It is an I/O chassis used in Allen-Bradley PLC-5 systems to house processors, power supplies, and I/O modules.

Q2. How many slots does it support?
It supports a 4–5 slot configuration depending on system setup.

Q3. What PLC system is it compatible with?
It is designed for the Allen-Bradley PLC-5 (1771 series) platform.

Q4. What is the mounting method?
It is mounted on a control panel or back-panel using industrial mounting hardware.

Q5. What is the power requirement?
It operates on a 5 V DC backplane with up to 16 A capacity.

Q6. What are its physical dimensions?
The chassis measures 89 mm × 165 mm × 51 mm.

Q7. What is the weight of the unit?
Approximately 3.6 kg.

Q8. Is it still in production?
No, it is part of the legacy PLC-5 series, but it is still widely used in existing industrial installations.

1771-A1B Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.