Emerson / Artesyn / Astec LPT43 Power Supply

The Emerson/Artesyn/Astec LPT43 is a versatile triple-output, open-frame power supply designed for reliable performance in various electronic systems. It features a universal input voltage range, robust overload and overvoltage protection, and a compact 3″ x 5″ footprint, making it suitable for industrial and commercial applications where space is a consideration. The LPT43 is engineered to provide stable power with low output ripple and includes a built-in EMI filter for reduced electromagnetic interference.

### Technical Specifications

**General Features:**
* **Manufacturer:** Emerson / Artesyn / Astec
* **Product Family:** LPT40 Series (including LPT40, LPT41, LPT42, LPT43, LPT44, LPT45, LPT46, LPT47)
* **Form Factor:** Open Frame
* **Cooling:** Convection cooling (40W), 30 CFM forced air (55W)
* **Dimensions:** 76.2mm x 127mm x 28mm (3″ x 5″ x 1.1″)
* **Height:** Less than 1U high
* **Certifications:** UL60950, cUL 60950, NEMKO EN 60950/EMKO-TUE, CB Certificate and report, CE Mark (LVD)
* **RoHS Compliant:** Yes

**Electrical Specifications:**
* **Total Power Output:**
* 40 Watts (Convection Cooling)
* Up to 55 Watts (with 30 CFM Forced Air)
* **Input Voltage Range:**
* 85-264 VAC (Universal Input)
* 120-300 VDC
* **Input Frequency:** 47 – 440 Hz
* **Input Current:** 1 A max. (RMS) @ 115 VAC
* **Inrush Current:** < 18 A peak @ 115 VAC; < 36 A peak @ 230 VAC (cold start @ 25 °C) * **Efficiency:** 70% typical at full load * **Power Factor Correction:** Active PFC > .90

**Output Specifications (Triple Output):**
* **Main Output:**
* Voltage: +5V DC
* Current: 8A or 8 A
* Adjustment Range: -5%, +10% minimum
* Remote Sense: Yes, compensates for 0.5 V lead drop
* Overvoltage Protection: 5.7 to 6.7 VDC
* **Auxiliary Outputs:**
* Voltage: +12V DC and -12V DC
* Current: 0.7A or 700mA or 0.5A
* **Cross Regulation:** ±2% on output 1; ±5% on outputs 2 & 3
* **Hold-up Time:** 20ms @ 40W load, 115 VAC nominal line

**Protection Features:**
* **Overload Protection:** Yes, protected at 110% to 145% above peak rating; Short circuit protection on all outputs
* **Overvoltage Protection:** Yes

**Environmental Specifications:**
* **Operating Temperature:** -20°C to 70°C (RoHS compliant component); Derating to half power from +60°C to +70°C (Convection cooling)
* **Storage Temperature:** -40 °C to +85 °C

### Interfaces

* **Output Terminals:** 1×6-pin connector for outputs
* **Input Connector:** 2-pin connector for AC input
* **Remote Sense:** Yes, capability for main output

### Physical Characteristics

* **Construction:** Open Frame Chassis Mount
* **Footprint:** 3” x 5”
* **Weight:** (Specific weight not found in documentation, but compact dimensions indicate a relatively lightweight unit)

### Compatibility

* **Applications:** Black Box KVM, Compaq HUB1063 Series 4220
* **Designed for:** Industrial and commercial applications requiring reliable, multi-output power.

Why Choose Aumictech for the Emerson / Artesyn / Astec LPT43 Power Supply?
At Aumictech, we specialize in sourcing and supplying high-performance power supply units. Whether you need a reliable LPT43 for critical industrial systems, robust power for commercial applications, or a compact solution for space-constrained designs, our team ensures the Emerson / Artesyn / Astec LPT43 delivers maximum performance and stability for your application.