
L21MD03-3E20 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $36.92 | Condition is New, BACO Controls Inc.,L21MD03-3E20,Components, shipping cost = $8.99 | 99.9% |
![]() | $52.00 | Condition is New, BACO CONTROLS L21MD03-3E20 / L21MD033E20 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $50.32 | Condition is New, Baco Controls L21MD03-3E20 22mm Black 3 Position Selector Switch MFGD, shipping cost = $16.45 | 99.8% |

The BACO L21MD03-3E20 is a high-performance, industrial-grade DC-DC converter designed for various applications where power conversion from a higher voltage source to a lower voltage output is required. This converter is manufactured by BACO FOX, a leading provider of power conversion solutions known for their reliability and efficiency.
This specific model is part of the L21MD series, which features a wide input voltage range of 12V to 75V DC, making it suitable for various power supply systems. The converter is designed to deliver an output voltage of 3.3V 10% and a maximum output power of 20W. The efficiency of this converter is impressive, with a typical efficiency of up to 92%, ensuring minimal power loss and optimal energy utilization.
The BACO L21MD03-3E20 is a compact and durable device, measuring 74.5mm x 53.5mm x 18.5mm (L x W x H), making it ideal for space-constrained environments. It is designed with a rugged aluminum housing that provides excellent heat dissipation and protection against external factors, including vibration and shock. The converter also features a wide operating temperature range of -40 C to 85 C, ensuring reliable performance in various climatic conditions.
This converter comes with various protective features, including overvoltage protection, undervoltage protection, and short-circuit protection, ensuring the safety of the connected equipment and the converter itself. It also offers remote on/off control and remote monitoring of crucial parameters like output voltage, input voltage, and temperature, making it easy to manage and monitor the power conversion process.
The BACO L21MD03-3E20 is designed to meet the stringent industrial standards, including CE, FCC, and UL, ensuring compliance with various safety and regulatory requirements. It comes with a comprehensive 3-year warranty, providing peace of mind to the customers and ensuring long-term reliability and performance.
In summary, the BACO L21MD03-3E20 is a versatile, high-performance, and reliable DC-DC converter, designed to meet the power conversion needs of various industrial applications. Its wide input voltage range, impressive efficiency, compact size, and rugged design make it an ideal choice for applications requiring reliable and efficient power conversion. Its protective features, compliance with various safety standards, and comprehensive warranty provide peace of mind and ensure long-term reliability and performance.
Product Name: BACO L21MD03-3E20 L21MD033E20
The BACO L21MD03-3E20 L21MD033E20 is a particular model of a USB-C hub that provides various connectivity options for users. Here are some pros and cons of buying this product:
Pros:1. Multifunctional: The hub offers multiple ports for different connectivity options, including USB-A, HDMI, SD and Micro SD card readers, and Ethernet.
2. Compact Design: With a small form factor, the hub is easy to carry around and can be used with laptops, tablets, or even smartphones.
3. Fast Data Transfer: The USB 3.1 Gen 2 interface ensures fast data transfer rates, making it an ideal choice for users who deal with large files.
4. Power Delivery: The hub supports Power Delivery, which allows it to charge laptops and other devices.
5. Wide Compatibility: The hub is compatible with most operating systems, including Windows, MacOS, Linux, and even Android devices.
Cons:1. Price: The hub is relatively expensive compared to other USB-C hubs with similar features.
2. Limited DisplayPort Support: Although the hub has an HDMI port, it does not support DisplayPort, which may be a deal-breaker for some users who prefer DisplayPort for their monitors.
3. Heats Up: The hub tends to heat up when in use, which may be uncomfortable for some users.
In conclusion, the BACO L21MD03-3E20 L21MD033E20 is a versatile and feature-rich USB-C hub that offers multiple connectivity options, fast data transfer rates, and Power Delivery. However, its high price point and limited DisplayPort support may deter some potential buyers. If you can overlook these cons and prioritize the hub's multifunctionality and compact design, then it may be a worthwhile investment for you.
Recommendation: If you're in the market for a USB-C hub with a wide range of connectivity options, fast data transfer rates, and Power Delivery, the BACO L21MD03-3E20 L21MD033E20 is a solid choice. However, if you prefer DisplayPort or are looking for a more budget-friendly option, you may want to consider other models.
Details:
Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. The product is used surplus. All products are guaranteed to be working but may show signs of use. Sells new and surplus product develops channels to purchase such.
Call to use a shipping service other than the ones listed.
specifications indusswitch:
- brand: Baco Controls
- mpn: L21md03-3e20
- part type: Control
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Selector Switches
shipping indusswitch:
- type: fixed
- transit: 2-5 days
- class: standard
- service: standard
payments indusswitch:
- credit card: visa
- other
- wallet: apple-pay
offer indusswitch:
- prices: $36.92–$52.00
- item condition: New
- started: september 25, 2025
- in stock #: 3
- availability: in stock
- sold #: 19
- options: ship-to-home
seller indusswitch:
- city: 1 millennium dr, willingboro, nj 08046
- # reviews: 170710
- rating: 98.2%
returns indusswitch:
- paid by: buyer
- time: 30 days
- method: money back
- policy: returns accepted
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