---
product_id: 235300791
title: "57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1"
brand: "osram"
price: "$59.64"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/235300791-57351-optotronic-40w-120-277v-ac-50-60hz-constant-current
store_origin: US
region: United States of America
---

# 40W Power Output Universal Input Voltage UL Class 2 Safety 57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1

**Brand:** osram
**Price:** $59.64
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate Your Space with Precision!

## Quick Answers

- **What is this?** 57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1 by osram
- **How much does it cost?** $59.64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/235300791-57351-optotronic-40w-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 certification guarantees safe operation, giving you peace of mind.
- • **Dimmable Delight:** Enjoy smooth dimming capabilities with 0-10V control for the perfect ambiance.
- • **Power Meets Precision:** Experience a robust 40W output tailored for your LED needs.
- • **Universal Compatibility:** Designed for 120-277VAC, ensuring seamless integration into any setup.
- • **Customizable Performance:** Programmable with 1mA resolution to optimize your LED load like a pro.

## Overview

The Osram 57351 Optotronic LED Driver is a high-performance, dimmable driver designed for universal input voltage of 120-277VAC. With a powerful output of 40W and customizable settings, it ensures optimal performance for your LED lighting needs while maintaining safety with UL Class 2 certification.

## Description

57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1

## Features

- Universal input voltage - 120–277VAC 50/60Hz
- Pout = 40W, Vout = 8-55VDC, Iout = 400-1400mA (1mA Step), Default 700mA
- UL Class 2 output for safe operation
- Protection against line voltage on 0-10 V dimming wires
- Custom programmable with 1mA resolution to perfectly match LED load and maximize performance

## Product Details

- **Brand:** OSRAM
- **Power Source:** Corded Electric
- **Product Dimensions:** 5"D x 2.4"W x 1.2"H
- **Mounting Type:** Other (F-style or J-style)
- **Current Rating:** 700 Milliamps

## Images

![57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1 - Image 1](https://m.media-amazon.com/images/I/71ficYA7JFL.jpg)

## Questions & Answers

**Q: Can I use with in wall Triac Lutron dimmer?**
A: Hello,
You would need a compatible dimmer, something that works with 0-10volt. 
Regards

**Q: Will this fit my old CDL040W-0700-56, 120Vac/450mA 60Hz?**
A: Here are the LED Driver Specifications:
Type:  Constant Current LED Driver
Input Voltage:  120-277V (+/- 10%)
Frequency Range:  50-60 Hz (+/- 5%)
Max. Output Power (W):  40W
Dimming Control:  0-10V (Isolated)
Dimming Range:  1-100%
Output Voltage (VDC):  8-55VDC
Output Current (mA):  400-1400mA (1mA Step), Default 700mA

Thank you,

SIRS-E Team

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-17*