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- Allen Bradley
- 1734-OW4
- Point I/O Module
- USA
- 75 × 12 × 56 mm
- 0.12kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Allen Bradley 1734-OW4 Detailed Technical Overview
1. Product Overview
The Allen Bradley 1734-OW4 is a 4-channel relay output module designed for distributed industrial automation systems. It uses electromechanical relay contacts to switch loads, offering a flexible solution for controlling both AC and DC devices.
This module provides four normally open (Form A) relay outputs, allowing it to handle a wide variety of field loads such as contactors, solenoid valves, motor starters, and signaling devices. Compared with transistor output modules, relay outputs offer better compatibility with different voltage types and provide inherent electrical isolation.
The module is compact and designed for DIN rail installation, making it suitable for modular control systems where space optimization and flexible configuration are important.
2. Brand and Series
- Brand: Allen Bradley
- Series: 1734 Series
- Platform: POINT I/O
- Module Type: Relay Output Module
The POINT I/O platform supports distributed I/O architecture, enabling installation closer to field devices, reducing wiring and improving overall system efficiency.
3. Technical Specifications
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-OW4 |
| Output Type | Relay Output (Electromechanical) |
| Channels | 4 |
| Contact Type | Normally Open (Form A) |
| Coil Voltage | 24V DC |
| Contact Rating | Up to 2 A per channel |
| Switching Voltage | Up to 240V AC / 125V DC |
| Isolation Voltage | 250V continuous |
| Mechanical Life | ≥ 1,000,000 operations |
| Electrical Life | ≥ 100,000 operations (rated load) |
| Response Time | Approx. 10–30 ms |
| Bus Current | Approx. 75–85 mA @ 5V DC |
| Power Dissipation | Approx. 1 W |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 75 × 12 × 56 mm |
| Weight | ≈ 0.12 kg ( 0.12 ) |
4. Product Features
The 1734-OW4 is designed for flexible and reliable switching in industrial environments.
- Four independent relay output channels
- Suitable for switching both AC and DC loads
- Electrical isolation between control and field circuits
- Normally open contact configuration for safe operation
- Compact and space-saving design
- DIN rail mounting for easy installation
- Modular structure for scalable system expansion
These features make it suitable for a wide range of industrial control scenarios.
5. Product Applications
The module is widely used in automation systems where relay-based outputs are required.
Typical applications include:
- Motor starter and contactor control
- Solenoid valve operation
- Alarm and signaling systems
- Lighting and auxiliary control circuits
- Industrial machinery control panels
- Mixed voltage control environments
It is especially useful in systems requiring electrical isolation and flexible load switching capability.
6. Product Advantages
Multi-Voltage Switching
Relay outputs allow control of both AC and DC loads, increasing application flexibility.
Electrical Isolation
Provides separation between control signals and field devices, improving system safety.
High Reliability
Designed for stable switching performance over long operational cycles.
Compact Design
Slim module reduces panel space usage.
Flexible Integration
Easily integrates into distributed I/O systems for scalable automation design.
7. Recommended Models (Same Series or Related)
POINT I/O Series Models
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-OW2 | Relay Output | 2 | Relay (NO) | 56 × 12 × 75 | 0.09 ( 0.09 ) |
| 1734-OB4E | Protected DC Output | 4 | 24V DC | 75 × 12 × 56 | 0.04 ( 0.04 ) |
| 1734-OV8E | DC Output (Sink) | 8 | 24V DC | 75 × 12 × 56 | 0.04 ( 0.04 ) |
| 1734-IB8 | Digital Input | 8 | 24V DC | 75 × 12 × 56 | 0.10 ( 0.10 ) |
| 1734-OE2C | Analog Current Output | 2 | 4–20 mA | 75 × 12 × 56 | 0.11 ( 0.11 ) |
These modules can be combined to build flexible distributed I/O configurations across various automation applications.
8. Recommended Popular Models (Same Brand)
Widely Used Industrial Modules
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Ethernet Communication | — | — | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IB16 | Digital Input | 16 | 24V DC | 145 × 140 × 35 | 0.40 ( 0.40 ) |
| 1756-OB16E | Digital Output | 16 | 24V DC | 145 × 140 × 35 | 0.42 ( 0.42 ) |
| 1756-IF8 | Analog Input | 8 | Voltage/Current | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1769-OB16 | Digital Output | 16 | 24V DC | 118 × 87 × 35 | 0.30 ( 0.30 ) |