Description
Allen-Bradley 1771-1A
Reliable AC/DC input module for legacy PLC-5 systems, providing robust discrete signal acquisition in demanding industrial environments
| Brand | Allen-Bradley |
| Model | 1771-1A |
| Voltage | 74-132V AC / 82-132V DC |
| Country of Origin | United States |
| Weight | 0.32 kg |
| Dimensions | 120 x 45 x 110 mm |
| Warranty | 6 months |
| Certifications | UL, CSA, CE |
| SKU / MPN | 1771-1A |
| What’s in the box | 1771-1A Input Module, wiring arm, installation guide |
| Number of Inputs | 8 isolated inputs |
| Input Voltage Range | 74-132V AC / 82-132V DC |
| Module Type | AC/DC Digital Input Module |
| Compatible System | PLC-5 / 1771 I/O Chassis |
| Off-State Voltage | 30V |
| On-State Current | 10 mA minimum |
Key benefits: 8 isolated AC/DC inputs, wide voltage range, optical isolation, hot-swappable with 1771 I/O chassis, proven PLC-5 compatibility, long-term reliability
Typical applications: Manufacturing automation, machine control, process control systems, conveyor monitoring, legacy PLC-5 retrofits, factory floor I/O expansion
Lifecycle: Legacy/Classic product, limited availability, supported by Rockwell Automation for existing installations
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Exact match for many brands
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Daniel W. –
Well-manufactured linear guide, smooth motion. Quick shipping.