Emerson / Artesyn / Astec LPQ252-CF Power Supply Module

The Emerson/Artesyn/Astec LPQ252-CF is a 250-watt enclosed AC-DC power supply module designed for various industrial and IT applications. It offers multiple output voltages and features like active power factor correction and built-in EMI filtering to ensure reliable power conversion. The module is designed for convection cooling but can be operated with forced air cooling when an optional fan cover is utilized.

### Technical Specifications

* **Manufacturer:** Emerson / Artesyn / Astec
* **Model:** LPQ252-CF
* **Product Type:** Enclosed AC-DC Power Supply Module

### Electrical Specifications

* **Total Output Power:** 250 Watts
* **Input Voltage Range:**
* AC: 85 VAC to 264 VAC
* DC: 120 VDC to 300 VDC
* **Input Frequency:** 47 Hz to 440 Hz
* **Input Current:** 4.500 A
* **Efficiency:** 75% typical at full load
* **Power Factor:** 0.99 typical
* **Inrush Current:** 20 A maximum, cold start @ 25°C
* **Safety Ground Leakage Current:** < 0.5 mA @ 50/60 Hz, 264 VAC input### Output Specifications* **Number of Outputs:** 4 Outputs (Quad) * **Output Voltages:** * Channel 1: +5 VDC (35 A maximum load, 40 A peak load) * Channel 2: +12 VDC (10 A maximum load, 12 A peak load) * Channel 3: -12 VDC (6 A maximum load, 8 A peak load) * Channel 4: ±5 V to 25 VDC (Adjustable, 6 A maximum load, 8 A peak load) * **Output Voltage Regulation (typical):** * +5 V: ±2% * +12 V: ±3% * -12 V: ±3% * ±5-25 V: ±3% * **Output Ripple and Noise (PARD):** * +5 V: 50 mV peak-to-peak * +12 V: 120 mV peak-to-peak * -12 V: 120 mV peak-to-peak * ±5-25 V: 240 mV peak-to-peak max. * **Minimum Load:** 3A required for the +5V output; 0A for other outputs * **Peak Load:** Specified duration < 30 seconds with a maximum 10% duty cycle * **Hold-up Time:** 16 ms @ 250 W load, 115 VAC nominal line * **Overload Protection:** Short circuit protection on all outputs; case overload protected @ 110-145% above peak rating * **Overvoltage Protection:** 5 V output: 5.7-6.7 VDC; other models 10% to 25% above nominal output * **Thermal Overload Protection:** Yes### Supervisory and Control Features* **Supervisory Outputs:** * +5 V @ 100 mA regulated * +12 V @ 500 mA * **Power Fail Signal:** TTL logic signal goes high 50-150 msec after 5V output, low at least 4 msec before loss of regulation * **Remote Inhibit:** Requires an external contact (N.O. or N.C.) to inhibit outputs * **DC Power Good Signal:** TTL logic goes high 50-150 msec after 5V output, goes low when regulation is lost * **Remote Sense:** Compensates for 0.5 V lead drop minimum; operates without remote sense connected * **Single Wire Current Sharing:** Yes### Physical and Environmental* **Cooling:** * Convection cooling (without fan cover) * 30 CFM forced air required if optional fan cover (-CF or -CEF) is not used * **Fan Options:** * -CF suffix: Indicates cover with top fan * -CEF suffix: Indicates cover with dual end-mounted fan and AC inlet * **Dimensions:** 5.0" x 9.0" (approximate) * **Terminal Type:** Screw terminals * **EMI Filter:** Built-in, compliant with FCC Class B, CISPR 22 Class B, EN55022 Class B, VDE 0878 PT3 Class B (conducted and radiated) * **Operating Temperature:** Not explicitly stated for the LPQ252-CF, but datasheets refer to performance at 25°C### Approvals and Certifications* **Safety Certifications:** VDE 0805/EN60950 (IEC950), UL1950, CSA 22.2-234 Level 5, NEMKO EN 60950/EMKO-TUE, CB Certificate & report, CE Mark (LVD) * **EMI/EMC Compliance:** FCC Class B, CISPR 22 Class B, EN55022 Class B, VDE 0878 PT3 Class B### Applications* Information Technology Equipment (ITE)### CompatibilityThe Emerson/Artesyn/Astec LPQ252-CF is often found integrated into systems such as the National Instruments PXI-1011 chassis.Why Choose Aumictech for the Emerson / Artesyn / Astec LPQ252-CF? At Aumictech, we specialize in supplying and supporting high-end power supply modules. Whether you need a reliable power conversion solution for your industrial automation systems, a robust power source for IT equipment, or a component that meets stringent safety and performance standards, our team ensures the Emerson / Artesyn / Astec LPQ252-CF delivers maximum performance for your application.