A-B 1771-WC Wiring Arm Module
The Allen-Bradley 1771-WC Wiring Arm Module delivers efficient connectivity solutions for industrial automation systems. Designed to support up to 8 I/O connections, this robust module simplifies wiring for TTL and low-current applications in PLC environments. Its streamlined design ensures quick installation and reliable signal transmission in demanding industrial settings.
Technical Specifications
| Brand | Allen-Bradley (Rockwell Automation) |
| Module Type | Wiring Arm |
| Max I/O Connections | 8 |
| Terminals | 10 |
| Dimensions | 4.5 x 12.4 x 6.3 inches |
| Weight | 0.1 lbs (0.1 kg) |
| Compatibility | Allen-Bradley PLC Systems |


Application & Compatibility
This wiring arm module is engineered for Allen-Bradley PLC systems including 1771 I/O platforms. Ideal for manufacturing plants, packaging lines, and material handling systems where space-efficient wiring solutions are critical. Commonly paired with 1771-IA, 1771-OB, and 1771-IB series I/O modules. Its compact design minimizes control cabinet footprint while maintaining reliable connections for TTL-level signals in sensor networks and low-current control circuits.
Our Service Commitment
Apex Automation, founded in 2014, specializes in ready-to-ship industrial automation solutions. Our technical team provides expert guidance on system integration and offers comprehensive 1-year warranty on all products. For pricing details or assistance with hard-to-find models, email our specialists. We source obsolete equipment and provide custom solutions for unique automation challenges while maintaining competitive pricing without compromising service quality.

















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