Industrial-Grade Relay Output Performance for Flexible Machine Control
The Allen Bradley 1734-OW4 Relay Output Module is a robust POINT I/O solution engineered for industrial automation systems that require dependable relay-based switching and compact distributed I/O integration. Designed to deliver reliable output control across both AC and DC applications, this module combines installation flexibility with proven industrial durability.
Featuring four isolated electromechanical relay outputs, the 1734-OW4 is ideal for controlling contactors, pilot devices, alarms, solenoids, and auxiliary industrial loads. Its modular POINT I/O structure helps reduce cabinet space while supporting scalable automation architectures for modern manufacturing and process environments.
With reliable electrical isolation, simplified maintenance capability, and compatibility with Allen Bradley control platforms, the 1734-OW4 remains a trusted component in distributed industrial control systems.
Electrical & Mechanical Specifications
| Specification | Details |
|---|
| Manufacturer | Allen Bradley |
| Product Family | POINT I/O |
| Model Number | 1734-OW4 |
| Module Type | Relay Output Module |
| Output Channels | 4 Relay Outputs |
| Relay Configuration | Form A Normally Open |
| Output Voltage Range | 5–250V AC / 5–125V DC |
| Maximum Output Current | 2 A per Channel |
| Isolation Voltage | 250V Continuous |
| POINTBus Current | 80–90 mA @ 5V DC |
| Power Dissipation | 0.5 W |
| Mounting Method | DIN Rail |
| Compatible Terminal Bases | 1734-TB / 1734-TBS |
| Operating Temperature | -20°C to 55°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions | Approx. 56 × 12 × 75.5 mm |
| Weight | Approx. 0.06 kg |
| Enclosure Type | Open Style |
Typical Industrial Applications
The 1734-OW4 module is widely used in automation systems that require flexible relay output switching and dependable distributed I/O performance.
Common industrial applications include:
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Conveyor and sorting systems
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Packaging and labeling equipment
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Machine automation panels
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Alarm and notification systems
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Motor starter interfacing
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Solenoid valve control
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Industrial lighting systems
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OEM machinery integration
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Process control equipment
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Material handling automation
Its ability to switch both AC and DC loads makes it highly versatile for mixed industrial control environments.
Key Product Advantages
Flexible Multi-Voltage Relay Switching
The module supports a broad voltage range for both AC and DC applications, allowing compatibility with numerous industrial devices and control circuits.
Reliable Electromechanical Isolation
Relay-based outputs provide dependable isolation between the control system and connected field equipment, helping improve operational stability.
Compact POINT I/O Footprint
Its slim modular design helps maximize control cabinet space while supporting high-density distributed I/O configurations.
Simplified System Expansion
As part of the POINT I/O family, the 1734-OW4 enables scalable automation system growth with reduced installation complexity.
Easy Diagnostics and Maintenance
Integrated channel indicators help technicians quickly identify output status and simplify troubleshooting procedures.
Proven Industrial Reliability
The module is designed for continuous operation in demanding industrial environments affected by vibration, electrical noise, and temperature fluctuation.
Technical FAQs
1. What is the main function of the 1734-OW4?
The module provides four relay-based digital outputs for industrial automation control systems.
2. How many relay outputs are included?
The 1734-OW4 features four isolated relay output channels.
3. Can the module switch both AC and DC loads?
Yes. It supports switching for both AC and DC industrial loads.
4. What is the maximum output current rating?
Each relay output channel supports up to 2 A continuous current.
5. Is the 1734-OW4 compatible with POINT I/O systems?
Yes. It is specifically designed for Allen Bradley POINT I/O distributed automation architectures.
6. What mounting method is required?
The module installs directly onto a standard DIN rail system.
7. Which terminal bases are compatible with this module?
The 1734-TB and 1734-TBS terminal bases are commonly used with the 1734-OW4.
8. What types of industrial devices can it control?
It is commonly used for contactors, pilot lights, alarms, solenoids, relays, and auxiliary switching devices.
9. Is the module suitable for compact control cabinets?
Yes. Its narrow housing design is optimized for high-density industrial panel installations.
10. Can the 1734-OW4 operate continuously in industrial environments?
Yes. The module is engineered for reliable long-term operation in industrial automation systems.
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