Emerson / Artesyn / Astec LPQ252-C Power Supply Module

The Emerson/Artesyn/Astec LPQ252-C is a 250-watt power supply module designed for reliable power conversion across a range of industrial and embedded applications. It features active power factor correction and a built-in EMI filter, ensuring compliance with electromagnetic interference standards. The module offers multiple outputs to accommodate diverse system requirements, alongside comprehensive protection features for operational integrity.

### Technical Specifications

**General**
* **Manufacturer:** Emerson / Artesyn / Astec
* **Model:** LPQ252-C
* **Total Output Power:** 250 Watts (with 30 CFM forced air)
* **Enclosed Module:** Yes

**Input Specifications**
* **Input Voltage Range:** 85-264 VAC; 120-300 VDC
* **Frequency:** 47-440 Hz
* **Inrush Current:** 20 A max., cold start @ 25°C
* **Power Factor:** 0.99 typical
* **Active Power Factor Correction:** Yes
* **IEC/EN61000-3-2 Compliance:** Yes

**Output Specifications**
* **Number of Outputs:** 4
* **Output Configurations & Ratings:**
* Output 1: +5 V @ 35 A (continuous), 40 A (peak)
* Output 2: +12 V @ 10 A (continuous), 12 A (peak)
* Output 3: -12 V @ 6 A (continuous), 8 A (peak)
* Output 4: ±5 V to ±25 V (adjustable), @ 6 A (continuous), 8 A (peak)
* **Peak Current:** Lasts < 30 seconds with a maximum 10% duty cycle * **Output Voltage Regulation (typical at 25°C):** * +5 V Output: ±2% * +12 V Output: ±3% * -12 V Output: ±3% * ±5-25 V Output: ±3% * **Output Ripple and Noise (peak-to-peak):** * +5 V Output: 50 mV * +12 V Output: 120 mV * -12 V Output: 120 mV * ±5-25 V Output: 240 mV max. * **Minimum Load:** Required for correct operation * **Adjustment Range (4th output):** ±5% min. on main outputs; 5-25 V on 4th output * **Factory Setting (4th output):** 5 V**Supervisory Outputs** * **5 V Supervisory Output:** 100 mA regulated * **12 V Supervisory Output:** 500 mA**Protection Features** * **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 Outputs: 10% to 25% above nominal output * **Thermal Overload Protection:** Yes**Logic Control & Monitoring** * **Power Fail Signal:** TTL logic signal goes high 50-150 msec after 5 V output; goes low at least 4 msec before loss of regulation * **Remote Inhibit/On/Off:** Requires an external contact (N.O. or N.C.) to inhibit outputs. * **DC Power Good (DC-OK):** TTL logic signal goes high 50-150 msec after 5 V output; goes low when there is loss of regulation. * **Remote Sense:** Compensates for 0.5 V lead drop min. Will operate without remote sense connected. Reverse connection protected. * **Single Wire Current Sharing:** Yes**Environmental Specifications** * **Operating Temperature:** 0°C to 50°C ambient (Derate each output at 2.5% per degree from 50°C to 70°C) * **Storage Temperature:** -40°C to +85°C * **Temperature Coefficient:** ±0.4% per °C * **MTBF:** > 100,000 hours at full load and 25°C ambient conditions

**Physical Specifications**
* **Dimensions:**
* Height: 50.8 mm (2.0 inches)
* Length: 229 mm (9.0 inches)
* Width: 127 mm (5.0 inches)
* **Weight:** 1.05 kg (1.41 kg / 3.1 lb for -CF model)
* **Cooling:** Requires 30 CFM forced air cooling if optional fans are not used. Not convection rated.
* **Cover Options:**
* -C: Standard cover
* -CF: Cover with top fan
* -CEF: Cover with end-mounted fan

**Interfaces/Connectors**
* **Terminal Block TB1:** For AC input (Neutral, Live, Earth)
* **SK2:** For DC Outputs (+12 / 15 V, Common, -12 / -15 V)
* **SK3:** For +5V Output, -5V (adjustable), +5V Supervisory, +12V Supervisory, DC-OK, Remote Sense
* **SK4:** For Fan Power Source (12 V @ 500 mA)
* **SK5:** For Supervisory Output Supply (5 V @ 100 mA)
* **SK7:** For Fan Power Source (12 V @ 500 mA)

**Regulatory & Compliance**
* **EMI Filter:** 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 * **Safety Certifications:** VDE 0805/EN60950 (IEC950), UL1950 EI32002, CSA CSA 22.2-234 Level 5, NEMKO EN 60950/EMKO-TUE P95102999, CB Certificate & report 2186, CE Mark (LVD)### Why Choose Aumictech for the Emerson / Artesyn / Astec LPQ252-C?At Aumictech, we specialize in sourcing and supplying high-performance power solutions. Whether you need robust power conversion for demanding industrial equipment, reliable energy for complex embedded systems, or precise voltage regulation for laboratory instruments, our team ensures the Emerson / Artesyn / Astec LPQ252-C delivers maximum performance and operational continuity for your application.