---
product_id: 211918038
title: "OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L"
brand: "osram"
price: "¥8940"
currency: JPY
in_stock: true
reviews_count: 4
url: https://www.desertcart.jp/products/211918038-osram57439-optotronic-50w-120-277v-ac-50-60hz-constant-current
store_origin: JP
region: Japan
---

# 50W Power Output 120-277V Input Voltage UL Class 2 Safety OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L

**Brand:** osram
**Price:** ¥8940
**Availability:** ✅ In Stock

## Summary

> Illuminate Your Space with Confidence! 💡

## Quick Answers

- **What is this?** OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L by osram
- **How much does it cost?** ¥8940 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/211918038-osram57439-optotronic-50w-120-277v-ac-50-60hz-constant-current)

## Best For

- osram enthusiasts

## Why This Product

- Trusted osram brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** UL Class 2 output ensures safe operation in any environment.
- • **Energy Efficient:** Designed for non-dimmable applications, maximizing energy savings.
- • **Reliable Current:** Maintains a steady current of 1200-1400mA for consistent performance.
- • **Versatile Voltage:** Compatible with a wide input range of 120-277V AC.
- • **Powerful Performance:** Delivers a robust 50W output for optimal lighting.

## Overview

The OSRAM57439 Optotronic 50W LED Driver is a high-performance, constant current driver designed for non-dimmable LED applications. With an input voltage range of 120-277VAC and a reliable output of 50W, it ensures safe and efficient operation, making it an ideal choice for professional lighting solutions.

## Description

OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L

## Features

- OPTOTRONIC Current Select Driver
- Constant Current Non- dimmable LED Driver
- Input Voltage: 120-277VAC 50/60 Hz
- Pout: 50W, Vout: 20-36VDC, Iout: 1200-1400mA
- UL Class 2 output for safe operation, Class P

## Product Details

- **Brand:** OSRAM
- **Power Source:** Corded Electric
- **Product Dimensions:** 1.14"D x 11"W x 1"H
- **Mounting Type:** Rack Mount
- **Current Rating:** 1300 Milliamps

## Images

![OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L - Image 1](https://m.media-amazon.com/images/I/61ZyYghXJdL.jpg)
![OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L - Image 2](https://m.media-amazon.com/images/I/61YjOGnZrpL.jpg)
![OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L - Image 3](https://m.media-amazon.com/images/I/81Jzhj7OeGL.jpg)
![OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L - Image 4](https://m.media-amazon.com/images/I/61L6UJIdDKL.jpg)
![OSRAM57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L - Image 5](https://m.media-amazon.com/images/I/71GG2+5jkrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by S***S on December 12, 2022*

Product is just fine.

### ⭐⭐⭐ Programming for1400 ma output
*by J***L on May 11, 2023*

Need help

### ⭐ Labels are missing and Ground release button are missing.
*by T***. on July 16, 2022*

I took this Driver out of the package and the lable and instructions were ripped out for some reason.

## Frequently Bought Together

- Osram 57439 Optotronic 50W 120/277V AC 50/60Hz Constant Current Non- Dimmable LED Driver OT 50W/UNV/1A4 CS L
- Osram 57452-50 watt 120/277 Volt 50-60Hz Dimmable LED Driver (OTi50/120-277/1A4/DIM-1/L G2 Osram Optotronic LED Driver)
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**Shop now:** [https://www.desertcart.jp/products/211918038-osram57439-optotronic-50w-120-277v-ac-50-60hz-constant-current](https://www.desertcart.jp/products/211918038-osram57439-optotronic-50w-120-277v-ac-50-60hz-constant-current)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*