Allen Bradley 1794-OA16 Digital Output Module

The AB 1794-OA16 is a high-density AC digital output module from the FLEX I/O series, designed to control 16 discrete 120V AC loads. This module uses triac switching for reliable output of resistive or moderately inductive loads such as relays, pilot lights, and contactors in distributed industrial automation systems.

Compatible with TB2, TB3, and TB3S terminal bases, the 1794-OA16 provides scalable, space-saving output capabilities that are ideal for use in modular FLEX I/O systems, especially where high-volume AC control is required.

Technical Specifications

Model: 1794OA16
Series: FLEX I/O
Type: Digital Output Module
Output Channels: 16
Output Voltage: 120V AC nominal
Output Type: Triac (zero-cross switching)
Application: AC load control for distributed I/O in process, machine, and factory automation
Terminal Base Compatibility: TB2, TB3, TB3S

Electrical Specifications

Permitted Output Voltage: 120 V AC
Nominal Output Voltage: 110–120 V AC
Output Current per Channel: 0.25 A max
Total Module Output Current: 4 A max
Leakage Current (Off-State): < 2 mA
Minimum Load Current: 10 mA
Switching Type: Zero-crossing
Short Circuit Protection: Not included (external protection recommended)
Off-State Voltage: <30 V AC
Isolation: Channel-to-backplane optical isolation

Mechanical Specifications

Width: 94 mm
Height: 94 mm
Depth: 69 mm
Mounting Type: DIN rail via terminal base
Connection Type: Screw terminal
Weight: Approx. 200 g
Installation Orientation: Vertical recommended
Degree of Protection: IP20 (when installed in enclosure)

Environmental Specifications

Operating Temperature: 0…55 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Resistance: 30 g, 11 ms (IEC 60068-2-27)
Vibration Resistance: 2 g, 10–500 Hz (IEC 60068-2-6)
Altitude Rating: Up to 2000 m
Pollution Degree: 2
Certifications: CE, UL, cULus, RoHS
Explosion Safety: Not rated for gas or dust

Compliance & Communication

System Compatibility: FLEX I/O distributed platform
Protocol Support: Determined by selected FLEX I/O adapter (not onboard)
Diagnostics: LED status indicators for each output (via base)
Configuration Software: Studio 5000 / RSLogix
I/O Mapping: Automatically configured through controller
Communication Ports: None (requires network adapter)

Key Features & Benefits

✅ 16 AC Digital Outputs – Controls high-density 120V AC loads in a compact footprint

✅ Triac Switching with Zero-Crossing – Ideal for resistive and moderate inductive AC loads

✅ DIN Rail & Terminal Base Mounting – Seamless integration with FLEX I/O systems

✅ Channel Isolation – Opto-isolated channels for safe field separation

✅ Flexible Terminal Base Compatibility – Works with TB2, TB3, and TB3S for wiring flexibility

📦 Order the Allen Bradley 1794-OA16 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1794-OA16 prices.

Click here to request a quote or backorder now

Drive Outlet Megastore – your trusted source for Allen Bradley FLEX I/O modules and AC load control solutions.