Allen-Bradley 1756-OA16K ControlLogix AC Output Module

The Allen-Bradley 1756-OA16K is a rugged 16-point AC output module designed for harsh environments. This Rockwell Automation product features special conformal coating protection. It provides reliable performance in conditions with moisture, dust, and contaminants.

Product Overview

• Manufacturer: Allen-Bradley / Rockwell Automation
• Model Number: 1756-OA16K
• Series: ControlLogix
• Module Type: AC Output Module
• Protection Level: Conformally Coated
• Output Configuration: 16 points, 2 groups of 8

Technical Specifications

• Operating Voltage: 74-265V AC, 47-63 Hz
• Current Rating: 0.5A per point, 4A total
• Power Dissipation: 6.5 Watts maximum
• Backplane Current: 400mA @ 5.1V DC
• Isolation Voltage: 50V continuous
• Response Time: Programmable 9.3-11ms

Environmental Ratings

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Humidity Range: 5% to 95% non-condensing
• Environmental Protection: Conformal coated for harsh conditions

Installation & Compatibility

• Fits all standard 1756 ControlLogix chassis
• Compatible with 1756-TBNH and 1756-TBSH terminal blocks
• Works with ControlLogix and GuardLogix processors
• Suitable for local and remote I/O applications

Safety & Protection Features

• Mechanically fused outputs for individual circuit protection
• LED status indicators for each output channel
• Fault detection for blown fuses and power loss
• Designed for industrial shock and vibration resistance

Shipping & Warranty

• Includes one 1756-OA16K module unit
• Fast worldwide shipping via FedEx, UPS, DHL
• Comprehensive 12-month warranty included

Download Technical Resources

• Access complete installation and specification documents
• Download Product Datasheet

Frequently Asked Questions

• What does the "K" suffix mean in the model number?
  The "K" indicates conformal coating for protection in harsh, corrosive environments.
• How does this module differ from the standard 1756-OA16?
  The 1756-OA16K has special coating for extra environmental protection.
• What types of applications is this module best suited for?
  Ideal for food processing, chemical plants, and outdoor installations with moisture.
• Can this module handle motor starter loads directly?
  It can control contactors but may need interposing relays for high inrush currents.
• What maintenance does the conformal coating require?
  The coating is permanent and requires no special maintenance procedures.

© 2025 Ubest Automation Limited. All rights reserved.
Original Source: https://www.ubestplc.com/
Contact: sales@ubestplc.com | Phone: +86 180 3000 5825