Product Details
Overview
The Allen-Bradley 1771-A3B1 is a universal I/O chassis engineered for industrial automation and control systems. With support for up to 12 I/O modules, this chassis offers a scalable and reliable foundation for PLC-5 and distributed control networks. Its open-style, panel-mounted design simplifies wiring access and integration in control panels.
Key Features
-
Module Capacity: Accommodates 12 I/O modules for flexible configuration
-
Mounting Type: Designed for panel-mount installations
-
Electrical Rating: Maximum backplane current of 24 A at 5 V DC
-
Durability: Withstands operating shock of 15 g and non-operating shock of 30 g
-
Vibration Resistance: Rated at 2 g for frequencies between 10–500 Hz
-
Open Chassis Design: Facilitates easy module installation and maintenance
Technical Specifications
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Part Number: 1771-A3B1
Module Type: Universal I/O Chassis
Number of I/O Slots: 12
Mount Type: Panel Mount
Enclosure Type: Open Style
Electrical & Environmental
-
Maximum Backplane Current: 24 A @ 5 V DC
-
Operating Temperature: 0–60°C (32–140°F)
-
Relative Humidity: 5–95%, non-condensing
-
Vibration: 2 g (10–500 Hz)
-
Operating Shock: 15 g
-
Non-Operating Shock: 30 g
Physical Dimensions & Weight
-
Dimensions: 483 × 339 × 221 mm (19 × 12.4 × 7.6 in)
-
Weight: 5.9 kg (13 lbs)
Applications
-
PLC-5 series and distributed control systems
-
Large-scale industrial automation requiring multiple I/O modules
-
Manufacturing process control
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
How to Train Your Maintenance Team for Industrial Automation Systems
Proper training of maintenance teams is essential to prevent downtime and ensure smooth operations in industrial automation. With PLCs, DCS, SCADA, and IoT systems, technicians need advanced skills to manage complex control systems. This guide provides a structured approach to building a capable team.
Understanding Fail-Safe in Siemens PLCs for Industrial Automation
In industrial automation, safety PLCs provide advanced protection beyond standard types. They safely shut down machinery during faults, reducing external hardware needs. Certified to SIL and IEC/ISO standards, they ensure functional safety in factory automation, protecting both personnel and critical equipment.
Understanding GE Fanuc Emerson Field Control for Industrial Automation
GE Fanuc Emerson’s Field Control I/O offered a compact, DIN-rail-mounted solution for industrial automation. Ideal for water treatment and process plants, its integrated design saved panel space and simplified wiring. Though reliable, this line is now obsolete, requiring a shift to modern, high-speed remote I/O.