--- 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: "€ 69.56" currency: EUR in_stock: true category: "Osram" url: https://www.desertcart.gr/products/235300791-57351-optotronic-40w-120-277v-ac-50-60hz-constant-current store_origin: GR region: Greece --- # 40W max output power 120-277V universal input voltage 1mA step programmable current 57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1 **Brand:** osram **Price:** € 69.56 **Availability:** ✅ In Stock ## Summary > ⚡ Power your space with precision and style — the future of LED driving is programmable! ## 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?** € 69.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/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 - • **Precision Power Control:** Custom programmable output current from 400-1400mA in 1mA increments for perfect LED matching. - • **Smooth Dimming Experience:** 0-10V isolated dimming down to 1% ensures flawless ambiance control without flicker. - • **Built-in Safety & Longevity:** UL Class 2 output with thermal protection and end-of-life indicators for worry-free operation. - • **Universal Voltage Compatibility:** Seamlessly operates across 120-277VAC at 50/60Hz, ideal for diverse commercial environments. - • **Effortless Installation & Integration:** Compact design with mounting options and programmable features without powering up simplifies setup. ## Overview The Osram 57351 Optotronic 40W LED Driver delivers versatile, programmable constant current output (400-1400mA) with universal 120-277V input and smooth 0-10V dimming. Designed for professional-grade LED lighting, it features UL Class 2 safety, thermal protection, and customizable settings to maximize performance and lifespan in commercial and architectural applications. ## Description OPTOTRONIC Programmable Compact LED DriversOSRAM 57351 OPTOTRONIC OTi40W/120-277/1A4 DIM-1 40W Constant Current, 0-10V Dimmable LED DriverProduct FeaturesProgrammable Features: Output currentDimming levelDim-to-offSoft StartLED thermal protectionVaux (12/20/24V)Constant lumen outputEnd-of-life indicatorInput Voltage: 120-277V (+/- 10%)Frequency Range: 50-60 Hz (+/- 5%)Max. Output Power (W): 40WDimming Control: 0-10V (Isolated)Dimming Range: 1-100%Output Voltage (VDC): 8-55VDCOutput Current (mA): 400-1400mA (1mA Step), Default 700mAProduct Dimensions (L x W x H): 5.0" x 2.4" x 1.2"Product Weight: 7.8oz Quantity: 1 UL Environmental Rating: Dry and DampProduct Family FeaturesUniversal input voltage - 120–277VAC 50/60HzUL Class 2 output for safe operationProtection against line voltage on 0-10 V dimming wiresAUX output models availableCustom programmable with 1mA resolution to perfectly match LED load and maximize performanceProgramming does not require powering up or connecting the power supply to AC line voltageWide output current and voltage rangeAvailable in dimming to 1% with 0–10 V dimmersIntegrated OEM programmable features include: constant lumen maintenance, end-of-life indication, LED thermal protection, Vaux (12V/20V/24V), soft start, and dim-to-offAvailable with mounting feet (F-style) or PEM studs (J-style) to simplify installationConforms UL SREC for NTC based thermal protectionAreas of ApplicationDownlights, In-grade fixtures, Recessed troffer, Wall Washing ## 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08JVMDDH5 | | Best Sellers Rank | #163,077 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #230 in Lighting Low Voltage Transformers | | Brand | OSRAM | | Brand Name | OSRAM | | Current Rating | 700 milliamps | | Customer Reviews | 4.6 out of 5 stars 71 Reviews | | Global Trade Identification Number | 04052899532762 | | Item Dimensions D x W x H | 5"D x 2.4"W x 1.2"H | | Item Weight | 7.8 ounces | | Manufacturer | OSRAM | | Maximum Frequency | 60 hertz | | Minimum Frequency | 50 hertz | | Model | OPTOTRONIC OTi40W/120-277/1A4 DIM-1 | | Mounting Type | Other (F-style or J-style) | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 57351 | | Power Source | Corded Electric | | Product Dimensions | 5"D x 2.4"W x 1.2"H | | Specification Met | UL | | Unit Count | 1 Count | ## Product Details - **Brand:** OSRAM - **Current Rating:** 700 Milliamps - **Mounting Type:** Other (F-style or J-style) - **Power Source:** Corded Electric - **Product Dimensions:** 5"D x 2.4"W x 1.2"H ## 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 - Osram 57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1 - OSRAM 57433 Optotronic 30W 120/277V AC 50/60Hz Constant Current Dimmable LED Driver OTi 30/120-277/1A0 DIM-1 L G2 - Osram 57452-50 watt 120/277 Volt 50-60Hz Dimmable LED Driver (OTi50/120-277/1A4/DIM-1/L G2 Osram Optotronic LED Driver) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/235300791-57351-optotronic-40w-120-277v-ac-50-60hz-constant-current](https://www.desertcart.gr/products/235300791-57351-optotronic-40w-120-277v-ac-50-60hz-constant-current) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-11-11*