PLC-5 Wiring Arm, 16 I/O, 21 Terminals, Model 1771-WH | Allen-Bradley

Allen-Bradley 1771-WH Wiring Arm, PLC-5, 16 I/O, 21 Terminals, Compatible with 1771-OAD

The Allen-Bradley 1771-WH is a standard wiring arm designed for the PLC-5 series, facilitating field connection with 21 terminals for 16 I/O points. Constructed from highly durable thermoplastic material with a protective coating, it offers excellent resistance to corrosion and moisture for a long service life in industrial environments. Specifically optimized for modules such as the 1771-OAD. Passive operation: no external power required. Manufactured in the United States.

Applications

• Field connection for Allen-Bradley PLC-5 series I/O modules
• Wiring of 1771-OAD analog output modules in automation systems
• Integration of field signals into control panels with PLC-5
• Replacement or expansion of wiring arms in existing PLC-5 installations
• Control systems in manufacturing, petrochemical, food and beverage, and industrial infrastructure
• Maintenance and upgrade of legacy Allen-Bradley PLC-5 systems

Technical Specifications

• Model: 1771-WH
• Brand: Allen-Bradley (Rockwell Automation)
• Product Series: PLC-5
• Type: Standard wiring arm
• I/O Points: 16
• Number of Terminals: 21
• Compatible Modules: 1771-OAD (and compatible PLC-5 modules)
• Material: Thermoplastic with anti-corrosion protective coating
• Power: Passive (no external power required)
• Country of Origin: United States

Other Common Names

• Allen-Bradley 1771-WH PLC-5 16 I/O connection arm
• Wiring arm Allen-Bradley 1771WH for PLC-5 modules
• Terminal block wiring arm 1771-WH Rockwell Automation
• 21-terminal wiring arm for 1771-OAD Allen-Bradley
• PLC-5 wiring arm 16 I/O 21 terminals Allen-Bradley
• Field connection accessory for PLC-5 Rockwell