
POINT I/O Extension Power Module
The Allen-Bradley 1734-EP24DC Power supply expansion unit passes the 24V DC electric field to the I/O module on the right side. This power supply expansion unit extends the backplane bus power up to 17 I/O modules on the right side of the supply. This power supply creates a new field voltage partition segment for the field drive device. The 1734-EP24DC separates field power from the I/O module to the left of the unit.
This power supply is dark gray, and the dark gray color of the expansion power supply enables easy visual inspection and identification. You can use a power supply expansion unit with a POINT I/O adapter to assemble the system in full. The 1734-EP24DC expansion unit is compatible with 1734 POINT I/O adapters.
Technical specifications
| Manufacturer | Rockwell Automation |
| Thermal Dissipation | 10 BTU/hour |
| Isolation Voltage | 50 Volts Continuous |
| Inrush Current | 6 amps for 10 milliseconds |
| Overvoltage Protection | Reverse Polarity |
| Power Supply Current | 10 amps |
| Power Consumption | 9.8 Watts |
| Field Power | 24 Volts DC |
| Module Type | Expansion Power Supply |
| Series | POINT I/O |
| Part Number/Catalog No. | 1734-EP24DC |
| Brand | Allen-Bradley |
| Mounting | Horizontal / Vertical |
| POINTBus output current | Horizontal mounting – 1 A @ 10…19.2V input; 1.3 A @ 19.2…28.8V input Vertical mounting – 1 A @ 10…28.8V input |
| Power Dissipation | 3 Watts |
| UPC | 10612598206879 |
Application Areas

1. Distributed I/O control system
As a 24V DC power module for POINT I/O systems, 1734-EP24DC is widely used in scenarios that require distributed control, such as intelligent production lines, packaging machinery, etc. Its compact design supports modular expansion, and can flexibly configure digital, analog or dedicated I/O modules to meet multi-node data acquisition and control needs.
2. Equipment-level power distribution
In stand-alone automation equipment, this module provides stable power supply for 24V DC loads such as sensors and solenoid valves, simplifying electrical cabinet wiring. Typical applications include CNC machine tools, assembly workstations, etc. Its overcurrent protection and diagnostic functions can effectively prevent short circuit risks and improve system reliability.
3. Adaptation to harsh industrial environments
Supports wide operating temperature range of -25℃~60℃, excellent vibration resistance, and is suitable for humid and dusty environments such as food processing and mining. The modular design is easy to maintain, and with I/O modules with IP67 protection level, it can be deployed in areas close to field equipment to reduce signal attenuation.
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Please contact us for product discount prices, sales7@apterpower.com/+8618030175807
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