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- Allen Bradley
- 1734-EPAC
- Point I/O Module
- USA
- 133 × 25 × 76 mm
- 0.22kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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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.
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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-EPAC Detailed Technical Overview
1. Product Overview
The Allen Bradley 1734-EPAC is an AC expansion power module used in distributed I/O systems. Its primary function is to extend field power and provide additional backplane power for POINT I/O modules when the system grows beyond the capacity of a single power supply.
In practical installations, as more I/O modules are added, the load on the system increases. The 1734-EPAC allows the system to be divided into independent power segments, ensuring that each group of modules receives stable and sufficient power. This improves overall system reliability and prevents performance degradation caused by voltage drops or overload conditions.
The module is installed inline with other I/O components on a DIN rail, maintaining a clean and modular structure within the control cabinet.
2. Brand and Series
- Brand: Allen Bradley
- Series: 1734 Series
- Platform: POINT I/O
- Product Type: AC Expansion Power Module
This product belongs to a modular distributed I/O system designed for flexible expansion and efficient industrial automation.
3. Technical Specifications
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-EPAC |
| Module Type | Expansion Power Module |
| Input Voltage | 85–264V AC |
| Input Frequency | 47–63 Hz |
| Field Power Output | 120–240V AC |
| Backplane Output Voltage | Approx. 5V DC |
| Backplane Current | Up to 1.3 A |
| Field Output Current | Up to 10 A |
| Isolation | Field power and backplane segmentation |
| Protection | Overvoltage and overcurrent protection |
| Mounting | DIN Rail |
| Wiring Type | Terminal base dependent |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 133 × 25 × 76 mm |
| Weight | ≈ 0.22 kg ( 0.22 ) |
4. Product Features
The 1734-EPAC is designed to maintain stable power distribution in distributed systems.
- Provides AC field power expansion for I/O modules
- Supplies additional backplane power to the system bus
- Enables segmentation of large I/O configurations
- Protects against overload and voltage fluctuations
- Compact modular design for easy integration
- DIN rail mounting for convenient installation
- Compatible with various I/O and terminal base modules
These features ensure stable and efficient operation in industrial environments.
5. Product Applications
The module is commonly used in industrial automation systems where multiple I/O modules are deployed.
Typical applications include:
- Distributed I/O networks
- Factory automation systems
- Process control installations
- Packaging and assembly lines
- Material handling systems
- Control panels with high module density
It is especially suitable for systems requiring segmented power distribution and reliable AC field supply.
6. Product Advantages
Enhanced Power Capacity
Allows additional modules to be added without exceeding system limits.
Improved Stability
Divides the system into power segments to prevent voltage drop and overload.
Dual Power Support
Provides both field power and backplane power simultaneously.
Reliable Protection
Includes built-in safeguards against electrical faults.
Scalable Architecture
Supports flexible system expansion as automation requirements grow.
7. Recommended Models (Same Series or Related)
POINT I/O Related Modules
| Model | Type | Function | Voltage Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-EP24DC | Expansion Power | DC Power Expansion | 24V DC | 75 × 12 × 56 | 0.09 ( 0.09 ) |
| 1734-AENTR | Ethernet Adapter | Network Interface | 24V DC | 75 × 54 × 56 | 0.14 ( 0.14 ) |
| 1734-IB8 | Digital Input | 8-channel Input | 24V DC | 75 × 12 × 56 | 0.10 ( 0.10 ) |
| 1734-OB8E | Digital Output | 8-channel Output | 24V DC | 75 × 12 × 56 | 0.05 ( 0.05 ) |
| 1734-VHSC | High-Speed Counter | Pulse Counting | 24V DC | 75 × 12 × 56 | 0.11 ( 0.11 ) |
These modules are typically combined to form a complete distributed I/O system with flexible power and signal handling capabilities.
8. Recommended Popular Models (Same Brand)
Widely Used Industrial Modules
| Model | Type | Channels | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Communication | — | Ethernet Interface | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IB16 | Digital Input | 16 | 24V DC Input | 145 × 140 × 35 | 0.40 ( 0.40 ) |
| 1756-OB16E | Digital Output | 16 | 24V DC Output | 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 Output | 118 × 87 × 35 | 0.30 ( 0.30 ) |