1746-0A16

Overview of Allen-Bradley 1746-OA16 AC Output Module

The Allen-Bradley 1746-OA16 is a digital AC output module in the SLC 500 family designed for industrial automation. It features 16 AC output channels with two groups of 8 outputs, supporting output voltages of 120/240VAC within an operational range of 85-265VAC at 47-63Hz. The module provides reliable switching with TRIAC outputs, surge protection, and optical isolation to enhance noise immunity.

Key Features

• 16 AC output channels, divided into two groups of 8 outputs each
• Operates on 85 to 265 VAC, 47-63 Hz
• TRIAC outputs with turn-on at any phase of AC line and turn-off at zero-cross
• Maximum continuous current per point: 0.5 A at 30°C, 0.25 A at 60°C
• Maximum continuous current per module: 8.0 A at 30°C, 4.0 A at 60°C
• Surge current per point: 10 A for 25 ms
• Signal ON delay: 1 ms; OFF delay: 11 ms (max)
• Off-state leakage current: 2 mA max
• Minimum load current: 10 mA
• Backplane current: 0.37 A at 5 V DC
• Includes input filtering, optical isolation, and surge protection
• Removable terminal blocks for ease of wiring and module replacement

Technical Specifications

Applications

This output module is used in industrial automation systems for controlling AC loads such as motors, solenoids, and lamps. It is suitable for applications requiring reliable switching, noise immunity, and surge protection within SLC 500 programmable controller systems.