# SE-450-3.3 - Mean Well USA AC/DC Converter

## Product Summary

The Mean Well SE-450-3.3 is an enclosed AC/DC converter providing 3.3V at 75A, with a power output of 247.5W. It features chassis mounting and adjustable output voltage.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | SE-450-3.3 |
| Manufacturer | Mean Well USA |
| Product Type | AC/DC Converter |
| Series | SE-450 |
| Category | Power Supplies - ExternalInternal (Off-Board) |
| Subcategory | Enclosed |
| Mounting Type | Chassis Mount |

## Description

The Mean Well SE-450-3.3 is a robust AC/DC power supply from the SE-450 series, designed for industrial applications. This enclosed unit delivers a stable 3.3VDC output with a rated current of 75A, providing a total power of 247.5W. It supports a wide input voltage range of 90-264VAC and features adjustable output voltage within the 2.97V to 3.63V range.

Key features include adjustable output, remote sense functionality, and forced air cooling via a built-in fan. The power supply is designed for chassis mounting and offers comprehensive protection against overload, over voltage, and over temperature conditions. It meets UL62368-1 safety standards and is suitable for ITE (Commercial) applications.

With an efficiency of 74% and a compact dimension of 225mm x 124mm x 50mm, the SE-450-3.3 is a reliable choice for power conversion needs. It operates within a temperature range of -10°C to 60°C and includes an LED indicator for power status.

## Key Specifications

| Specification | Value |
| --- | --- |
| Applications | ITE (Commercial) |
| Approval Agency | 47 to 63 Hz |
| Current | 75 A |
| DC Voltage | 3.3 V |
| Dimensions | 225 mm x 124 mm x 50 mm |
| Efficiency | 74% |
| Features | Adjustable Output, Remote Sense |
| Height | 50 mm (1.97") |
| Length | 225 mm (8.86") |
| Mounting Type | Chassis Mount |
| Number of Outputs | 1 |
| Operating Temperature | -10 °C to 60 °C (With Derating) |
| Overload Protection | 105 to 150% rated output power |
| Power (Watts) | 248 W |
| Rated Current | 75 A |
| Storage Temperature | -40 °C to +85 °C |
| Temperature Coefficient | ±0.05%/℃ |
| Type | Enclosed |
| Voltage | 3 kV |
| Voltage Range | 90 to 132 / 180 to 264VAC |
| Width | 124 mm (4.88") |

## Availability and Pricing

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

## Features

- Provides 3.3V at 75A output.
- Delivers 247.5W total power.
- Features adjustable output voltage.
- Includes remote sense function.
- Designed for chassis mounting.

## Applications

- Suitable for ITE (Commercial) applications.
- Industrial power conversion needs.
- System power integration.
- Equipment power supplies.

## Compliance

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

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/a1/87/e6/SE-450-SPEC.PDF
- Image: https://static.distyparts.com/disty-files/images/1c/d3/33/file_88b9f423-7920-4708-8239-eeb819bb2923_1200x1200.jpg
- Product Page: https://distyparts.com/product/se-450-3-3
- RFQ URL: https://distyparts.com/product/se-450-3-3#rfq

## FAQs

### What is the output voltage and current of the SE-450-3.3?

3.3V DC at 75A.

### What is the input voltage range?

90-132VAC or 180-264VAC selectable by switch.

### What protections does the converter have?

Overload (105-150%), over voltage (3.8-4.6V), over temperature with auto recovery.

### What is the operating temperature range?

-10°C to +60°C with derating.

### What is the mounting type?

Chassis mount.

### What are the dimensions?

225mm x 124mm x 50mm (L x W x H).

### What safety standards does it meet?

UL62368-1 and EAC TP TC 004.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/mean-well-usa
- Category: https://distyparts.com/category/power-supplies-externalinternal-off-board/ac-dc-converters
- Product Page: https://distyparts.com/product/se-450-3-3
- Markdown File: https://distyparts.com/product/se-450-3-3.md
- TXT File: https://distyparts.com/product/se-450-3-3.txt