Allen-Bradley 1771-WA Series B Field Wiring Arm for PLC-5 1771 I/O Modules 10-Terminal Swing-Arm Wiring Block for 24–220V AC/DC PLC-5 Systems

Allen-Bradley 1771-WA Series B Field Wiring Arm

The Allen-Bradley 1771-WA is a field wiring arm designed for PLC-5 systems using 1771-series I/O modules. Its swing-arm construction enables straightforward installation and allows modules to be removed without disturbing field wiring. This design supports dependable signal connection across a wide voltage range for industrial applications.

Why It Helps
The 1771-WA simplifies maintenance by allowing quick module swaps while keeping wiring intact. Its durable terminal construction, including tin- and gold-plated contacts, ensures consistent connectivity for general-purpose AC/DC control signals. Conformal coating provides added durability in demanding industrial settings.

Key Highlights

• Features 10 total terminals supporting up to 8 I/O points, offering clean and organized wiring for PLC-5 systems.

• Swing-arm design allows installers to pivot the wiring arm for fast maintenance without rewiring field devices.

• Supports general-purpose AC/DC applications from 24 to 220 volts, providing flexible system integration.

• Includes conformal-coated construction and secure mounting to the front of 1771 I/O modules for added reliability.

Applications
Ideal for PLC-5 automation systems using 1771 I/O modules, including control cabinets, machinery panels, and industrial process equipment requiring stable AC/DC signal interfacing. Its dependable design helps maintain long-term operational reliability within existing PLC-5 infrastructures.