1771-WC | Allen-Bradley PLC-5 Field Wiring Swing Arm

Product Overview

The 1771-WC is a field wiring swing arm developed for the Allen-Bradley PLC-5 control platform. It provides a secure and easily accessible connection interface between field wiring and I/O modules. Designed with gold-plated contacts, this wiring arm ensures optimal conductivity, corrosion resistance, and long-term performance in demanding industrial environments. Its swing-arm design simplifies module replacement without requiring rewiring, improving system maintenance efficiency.

Key Features

• Brand: Allen-Bradley

• Model: 1771-WC

• Product Type: Field Wiring Swing Arm

• Series: PLC-5

• Number of Terminals: 10

• Terminal Type: Screw terminals for firm wire connections

• Contact Material: Gold-plated for superior electrical performance and durability

• Mounting Style: Swing-arm connection for easy access and maintenance

• External Power Requirement: None

• Compatibility: Designed for selected Allen-Bradley 1771 I/O modules

• Manufacturer Status: Discontinued

• Weight: Approx. 0.09 kg (0.19 lbs)

• Typical Use: General-purpose field wiring interface for control and automation modules

Application Scenarios

The 1771-WC is suited for:

• PLC-5 control systems: Connecting field devices to analog or digital I/O modules

• Maintenance operations: Allowing quick disconnection of wiring during module servicing

• Panel installations: Simplifying layout and improving wiring organization

• Process control environments: Providing reliable electrical contact for signal continuity

Performance and Construction

• High Reliability: Gold-plated contacts ensure low contact resistance and minimal signal degradation

• Ease of Maintenance: Swing-arm design enables fast module access without disturbing field wiring

• Durability: Built for continuous industrial operation with conformal coating protection

Compatibility

• System Integration: Designed for use with Allen-Bradley PLC-5 and 1771-series I/O modules

• Replacement Use: Functions as a direct replacement for existing 1771-WC units in legacy systems

• Related Wiring Arms: Compatible with similar accessories such as 1771-WA and 1771-WB

FAQs

Q: What is the primary purpose of the 1771-WC wiring arm?
A: It serves as a field wiring interface that connects I/O modules to external devices while allowing swing-out access for module replacement.

Q: How many terminals are available on the 1771-WC?
A: The unit provides 10 screw-type terminals for secure field wiring connections.

Q: Are the terminals gold-plated?
A: Yes, all terminal contacts are gold-plated to ensure corrosion resistance and excellent conductivity.

Q: Is this product still available from the manufacturer?
A: No, the 1771-WC has been discontinued, but refurbished and surplus units may still be available.

Q: Does the 1771-WC require external power?
A: No, it is a passive component and does not require external power.