Emerson / Artesyn / Astec LPS255-CF Power Supply

The Emerson/Artesyn/Astec LPS255-CF is a 250-watt component power supply designed for integration into larger systems by professional installers. It features active power factor correction, a built-in EMI filter, and a wide input voltage range. The LPS255-CF is available with an optional top-mounted fan cover (-CF suffix) for forced air cooling, requiring 30 CFM. This power supply is not convection-rated.

### Technical Specifications

**General:**
* **Manufacturer:** Emerson / Artesyn / Astec
* **Model:** LPS255-CF
* **Product Type:** Component Power Supply
* **Intended Use:** For inclusion by professional installers within other equipment. Not for standalone operation.
* **Power Output:** 250 Watts (with 30 CFM forced air)
* **Input Voltage Range:** 85-264 Vac; 120-300 Vdc
* **Input Frequency:** 47 – 440 Hz
* **Cooling:** Requires 30 CFM forced air when optional fans are not used. The -CF suffix indicates a cover with a top fan.

**Electrical Specifications:**
* **Output Voltage:** 24 V (adjustable from 24-48 V)
* **Maximum Output Current:** 10.4 A
* **Minimum Load Current:** 0.32 A
* **Peak Load Current:** 12.5 A
* **Output Power (Forced Cooling):** 250W @ 30 CFM
* **Efficiency:** 75% typical at full load
* **Inrush Current:** 20 A max, cold start @ 25 °C
* **Safety Ground Leakage Current:** < 0.5 mA @ 50/60 Hz, 264 Vac input**Features:** * **Active Power Factor Correction (PFC):** Complies with IEC EN6100-3-2 * **Built-in EMI Filter:** Meets FCC Class B, CISPR 22 Class B, EN55022 Class B, VDE 0878 PT3 Class B conducted and radiated standards * **Remote Sense & Remote Inhibit:** Available * **Single Wire Current Sharing:** Available * **Power Fail Signal:** TTL Logic signal goes high 50-150 msec after 5V output, goes low at least 4 ms before loss of regulation * **DC Power Good Signal:** TTL logic goes high 50-150 msec after the output * **Supervisory Outputs:** 5 V @ 100 mA regulated, and 12 V @ 500 mA * **Overvoltage Protection:** Standard * **Overload Protection:** Standard, including short circuit protection on all outputs * **Thermal Overload Protection:** Standard * **Output Voltage Adjustment:** 2:1 wide ratio * **Hold-up Time:** 20 ms @ 250 W load, 115 VAC nominal line * **Switching Frequency:** 120 kHz**Physical:** * **Dimensions:** 10.32" L x 5.00" W x 2.00" H (262.0mm x 127.0mm x 50.8mm) * **Mounting Type:** Chassis Mount * **Cover Option (-CF):** Indicates cover with top fan**Compliance & Safety:** * **Approvals:** VDE 60950, UL 60950, CSA 60950, NEMKO 60950, CB Certificate and report 2186, CE Mark (LVD) * **RoHS Compliant:** Yes * **Lead Free:** Yes**Compatibility:** * This power supply is designed for inclusion in OEM and system integrator products. EMC compliance must be verified at the system level.### Why Choose Aumictech for Emerson / Artesyn / Astec LPS255-CF? At Aumictech, we specialize in supplying high-reliability industrial power solutions. Whether you need robust power conversion for complex machinery, reliable energy sources for critical systems, or efficient power modules for embedded applications, our team ensures the Emerson / Artesyn / Astec LPS255-CF delivers maximum performance and stability for your application.