Overview
The Allen-Bradley 1771-WH field wiring arm terminal block is a robust connection interface for Allen-Bradley I/O modules. This tin-plated terminal block features a pivoting swing arm design that allows technicians to make and break connections at the module front without removing the entire unit from the chassis. The 1771-WH is essential for field installations, maintenance, and troubleshooting in PLC-based automation systems.
Key Features
- 21-terminal configuration for comprehensive wiring connectivity
- Pivoting swing arm design for easy on-site connections
- 1.5A fuse for overcurrent protection
- Tin-plated terminals for corrosion resistance and reliable contact
- Direct compatibility with Allen-Bradley 1771-series I/O modules
Technical Specifications
- Terminal Count: 21 terminals
- Fuse Rating: 1.5A
- Terminal Plating: Tin-plated
- Arm Type: Pivoting swing arm
- Series: Allen-Bradley 1771 (Buchanan)
Typical Applications
- Field wiring termination for Allen-Bradley input modules
- Field wiring termination for Allen-Bradley output modules
- Replacement of damaged or worn wiring arms in existing installations
- System integrator and controls engineer field installations
- Maintenance and troubleshooting in legacy and current-generation PLC systems
Compatibility & Replacements
Compatible With
- Allen-Bradley 1771-series I/O modules
- Allen-Bradley PLC input and output modules
- Allen-Bradley SLC 500 and MicroLogix legacy systems
Replaces / Drop-In Replacement For
- Direct replacement for original 1771-WH field wiring arms
- Compatible with systems previously using the 1771-WH configuration
Works With
- Allen-Bradley control systems requiring field-mounted I/O termination
- Industrial automation installations using pivoting wiring arm design
