Emerson / Artesyn / Astec LPS255-CEF Power Supply

The Emerson/Artesyn/Astec LPS255-CEF is a 250W AC-DC power supply unit designed for various electronic applications requiring stable and efficient power conversion. This power supply features active power factor correction, remote sense and inhibit capabilities, and single-wire current sharing, making it suitable for integration into a wide range of systems.

### Technical Specifications

**General:**
* **Manufacturer:** Emerson / Artesyn / Astec
* **Model:** LPS255-CEF
* **Power Output:** 250 Watts
* **Type:** Switch Mode Power Supply, Off-Board Module
* **Form Factor:** Compact, suitable for system integration
* **Cooling:** Fan cooled. If optional fans are not used, 30 CFM forced air cooling is required through the length of the power supply.
* **Operating Temperature:** 0°C to 50°C. Derating applies from 50°C to 70°C at 2.5% per °C. Another source indicates -20°C to 70°C (With Derating).

**Electrical Input:**
* **Input Voltage:**
* 85 VAC to 264 VAC
* 100 VAC to 250 VAC
* 120 VDC to 300 VDC
* 120 VDC to 300 VDC
* **Input Frequency:** 47 Hz to 440 Hz
* **Active Power Factor Correction:** Yes
* **EMI Filter:** Built-in, FCC Class B conducted and radiated, CISPR 22 Class B conducted and radiated, EN55022 Class B conducted and radiated, VDE 0878 PT3 Class B conducted and radiated
* **Safety Ground Leakage Current:** < 0.5 mA @ 50/60 Hz, 264 VAC input * **Inrush Current:** 20 A max, cold start @ 25 °C * **Efficiency:** 75% typical at full load. Another source states 91%.**Electrical Output:** * **Number of Outputs:** 1 * **Output Voltage:** * 24 VDC * Adjustable: 24 VDC to 48 VDC * 2:1 Wide range output voltage adjust * Another source lists Output Voltage 1 as 48V, but this may refer to a different configuration or series as other data points to a nominal 24V adjustable output. * **Output Current:** * 10.4 A * 12.5 A * 4.5 A * 3.4 A * Another source lists current as 32A, this may refer to a different model or configuration. * **Load Regulation:** 2% * **Low Output Ripple:** Yes * **DC Power Good:** Yes * **Supervisory Outputs:** 5 V @ 100 mA regulated; 12 V @ 500 mA * **Overload Protection:** Short circuit protection on all outputs. Case overload protected @ 10-145% above peak rating. * **Overvoltage Protection:** 5 V output: 5.7 to 6.7 VDC. Other models 10% to 25% above nominal output. * **Thermal Overload Protection:** Yes * **Hold-up Time:** 20 ms @ 250 W load, 115 VAC nominal line**Interfaces & Features:** * **Remote Sense:** Yes * **Remote Inhibit:** Yes * **Single Wire Current Sharing:** Yes * **Power Fail:** Yes * **Switching Frequency:** 120 kHz**Physical:** * **Dimensions:** * Height: 50.8 mm * Length: 261 mm or 262 mm * Width: 127 mm * Another source lists dimensions as 10.94" L x 5.00" W x 3.29" H (278.0mm x 127.0mm x 83.5mm), which suggests a different form factor or enclosure compared to the off-board modules described elsewhere. * **Mounting Type:** Chassis Mount * **Weight:** 1.19 kg**Approvals & Compliance:** * **Safety Approvals:** BABT, CSA, NEMKO, UL, VDE * **Standards:** IEC EN6100-3-2 compliance * **Other Certifications:** CB, CE, cURus, TUV * **RoHS Compliant:** Yes**Manufacturer Aliases & Notes:** * Artesyn has been known by various names including Artesyn Embedded Technologies, Artesyn Embedded Power, Emerson / Artesyn, and Astec/Artesyn. * This product may be considered discontinued by the manufacturer. * Some sources indicate that this product is no longer stocked by certain distributors.Why Choose Aumictech for Emerson / Artesyn / Astec LPS255-CEF? At Aumictech, we specialize in supplying high-end power supply equipment. Whether you need reliable power conversion for critical applications, efficient system integration, or robust industrial solutions, our team ensures the Emerson / Artesyn / Astec LPS255-CEF delivers maximum performance for your application.