Allen-Bradley | 1734-OA4 | POINT I/O

Product Description: Allen-Bradley 1734-OA4

The Allen-Bradley 1734-OA4 is a POINT I/O digital output module that provides 4 output channels for AC loads. Specifically designed for use in distributed I/O systems, this module outputs 120/240V AC and is part of the 1734 POINT I/O series, known for its modularity, flexibility, and compact form factor. The 1734-OA4 is ideal for applications where space-saving, remote control of high-voltage AC loads is required. It is DIN rail mountable and connects easily to other POINT I/O modules and network adapters for scalable I/O architecture.

Product Type

• Digital Output Module
• POINT I/O Series
• Output Type: 4-channel AC output
• Voltage: 120/240V AC

Key Features

• 4 individually isolated AC output channels
• Output Voltage Range: 74–265V AC
• Maximum Output Current: 1.0 A per channel (3.0 A max/module)
• Channel-to-channel isolation
• Electronic short- circuit protection
• Status indicators for each channel
• Hot- swappable design for minimal downtime
• Compact, modular design optimized for distributed control systems
• DIN rail mounting for ease of installation
• Screw-clamp terminal base or spring-clamp options available

Technical Specifications

• Module Type: AC Digital Output
• Channels: 4
• Voltage Range: 74–265V AC, 47–63 Hz
• Max Output Current:
• 1 A per channel
• 3 A total per module
• Output Delay:
• On: 0.5 ms
• Off: 0.5 ms
• Isolation Voltage:
• 240V (continuous), basic insulation
• Channel-to-bus and channel-to-channel
• Field Power Supply: 120/240V AC
• Power Dissipation: 4.5 W max
• Thermal Dissipation: 15.4 BTU/hr max
• Operating Temperature: 0 °C to +55 °C
• Enclosure Rating: IP20
• Certifications: UL, CSA, CE, ATEX, RoHS

Application Areas

• Distributed control systems
• HVAC control
• Packaging and bottling machines
• Lighting and power distribution
• General factory automation
• Motor starters and AC-powered actuators

Advantages

• Compact size ideal for space-constrained panels
• Isolated channels improve safety and signal integrity
• Hot-swap capable for reduced maintenance downtime
• Clear channel status LEDs for faster troubleshooting
• Modular and scalable for flexible I/O expansion