The Emerson VE5123 is a high-reliability DeltaV Bulk Power Supply Module designed to convert wide-range AC input into stable 24 VDC output for industrial automation systems. As part of the Emerson DeltaV power architecture, it ensures consistent energy delivery to controllers, I/O subsystems, and field devices operating in mission-critical environments.
Engineered for continuous-duty performance, the VE5123 is widely used in process industries where power stability directly impacts system uptime and operational safety. Its compact DIN-rail design, high conversion efficiency, and built-in protection functions make it a dependable choice for modern distributed control systems.
This module is particularly valued in industrial installations requiring clean DC power with high load stability and redundancy-ready architecture.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | VE5123 |
| Product Type | Bulk AC to 24 VDC Power Supply Module |
| System Platform | DeltaV Distributed Control System |
| Input Voltage | 100–240 VAC (wide range) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 VDC (adjustable approx. 23.5–28.5 VDC) |
| Output Current | 10 A |
| Output Power | 240 W (up to 360 W peak for short duration) |
| Efficiency | >90% typical |
| Power Factor | High PFC design (~0.9+ typical) |
| Ripple & Noise | <50 mV peak-to-peak |
| Hold-up Time | >20 ms (full load condition) |
| Protection Functions | Overvoltage, overcurrent, short circuit, thermal protection |
| Cooling Method | Natural convection (fanless) |
| Mounting Type | DIN rail mounted |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% non-condensing |
| EMC Compliance | Industrial immunity design |
| Dimensions (H × W × D) | 123 mm × 60 mm × 110 mm |
| Weight | 0.8 kg |
Recommended Related Models
For stable DeltaV power architecture design, the VE5123 is commonly integrated with the following Emerson modules:
| Model | Function |
|---|---|
| VE5011 | AC to 24 VDC bulk power supply alternative |
| VE5009 | DC/DC system power supply module |
| VE5008 | Redundant power supply module |
| VE5134 | Redundancy module for power sharing |
| VE4060C1 | I/O carrier system module |
| VE4070 | DeltaV interface and adapter module |
These modules together enable scalable, redundant, and highly stable power distribution across DeltaV control systems.
Popular Emerson DeltaV Power Modules
Within Emerson’s DeltaV ecosystem, the VE5123 is part of a widely adopted family of industrial power modules:
- VE5123 Bulk 24 VDC Power Supply Module
- VE5011 AC/DC System Power Module
- VE5009 DC/DC Converter Module
- VE5008 Redundant Power Module
- VE5134 Redundancy Management Module
- VE5126 High-Capacity 20A Power Supply Module
- VE5128 High-Capacity 40A Power Supply Module
- VE5138 Compact 5A Power Supply Module
These modules are engineered for seamless integration and long-term reliability in process automation environments.
