# LMF500-23B55UH - Morning Star Industrial AC DC Converter

## Product Summary

The Mornsun LMF500-23B55UH is an enclosed AC/DC switching power supply with 489.5W output power. It offers universal AC input and high efficiency.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | LMF500-23B55UH |
| Manufacturer | Morning Star Industrial |
| Product Type | AC DC Converter |
| Series | LMF500-23B_UH |
| Category | Power Supplies - ExternalInternal (Off-Board) |
| Subcategory | Enclosed Switching Power Supply |
| Mounting Type | Chassis Mount |

## Description

The Mornsun LMF500-23B55UH is a 489.5W enclosed AC/DC switching power supply designed for demanding applications. It features a universal input voltage range of 85-305VAC and accepts DC input, providing flexibility in power sourcing. The unit delivers a 55V output at 8.9A with high efficiency up to 95% and includes Active PFC.

This power supply is built for harsh environments, operating from -40°C to +85°C with derating. It offers essential protections including short circuit, over-current, over-voltage, and over-temperature. The ultra-narrow, fanless design with semi-potted process makes it suitable for industrial and outdoor use. It meets safety standards such as IEC/UL/EN/BS EN62368 and IEC60335, making it ideal for industrial equipment, LED lighting control, security systems, and telecommunications.

Key specifications include a 4000VAC input-output isolation voltage, 150% peak load capability for 1 second, and operation up to 5000m altitude. The chassis mount design ensures straightforward integration into various systems.

## Key Specifications

| Specification | Value |
| --- | --- |
| Applications | Household Appliances, ITE (Commercial) |
| Approval Agency | CE, UKCA |
| Current | 8.9 A |
| Efficiency | 95% |
| Features | Adjustable Output, DC Input Capable, PFC |
| Height | 31 mm (1.22") |
| Length | 232 mm (9.13") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40 °C to 85 °C (With Derating) |
| Output Voltage | 55 V |
| Package / Case | Enclosed |
| Power (Watts) | 489.5 W |
| Standard Number | 60335-1; 62368-1 |
| Type | Enclosed |
| Voltage | 4 kV |
| Width | 81 mm (3.19") |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | Stock on Request |
| Distributor Count | 0 |
| Total Stock | 0 |
| Pricing Available | No |

## Features

- Universal 85-305VAC input voltage range.
- 55VDC output voltage at 8.9A.
- High efficiency up to 95%.
- Wide operating temperature range.
- Enclosed, fanless, chassis mount design.

## Applications

- Suitable for industrial applications.
- Ideal for outdoor equipment.
- Used in LED street light control.
- Applicable in security systems.
- Designed for telecommunications.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/12/45/62/12456245-2725-LMF500-23B05UH-ND.jpg
- Product Page: https://distyparts.com/product/lmf500-23b55uh
- RFQ URL: https://distyparts.com/product/lmf500-23b55uh#rfq

## FAQs

### What is the output voltage and current of the LMF500-23B55UH?

The output voltage is 55V and the output current is 8.9A.

### What is the input voltage range for this converter?

The input voltage range is 85-305 VAC or 120-430 VDC.

### What is the operating temperature range?

The operating temperature range is -40°C to 85°C with derating.

### What is the efficiency of the LMF500-23B55UH?

The efficiency is 95%.

### What is the isolation voltage between input and output?

The isolation voltage is 4000VAC.

### What is the mounting type for this product?

The mounting type is chassis mount.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/morning-star-industrial
- Category: https://distyparts.com/category/power-supplies-externalinternal-off-board/ac-dc-converters
- Product Page: https://distyparts.com/product/lmf500-23b55uh
- Markdown File: https://distyparts.com/product/lmf500-23b55uh.md
- TXT File: https://distyparts.com/product/lmf500-23b55uh.txt
