When you're shopping for industrial power supplies transformers, the hardest part is often deciding what actually matters for your machine. Do you need a compact supply for a small control circuit, or a high-power unit for heavy automation? Here's how the Rexroth HMV01.1E and Mean Well MDR-100-12 compare.
Quick verdict
Choose the Mean Well MDR-100-12 at USD 29.99 if you need an affordable, compact supply for low-voltage control circuits. Choose the Rexroth HMV01.1E at USD 2,474.68 if your system requires very high output power and you have the matching industrial input available.
At a glance
| Product | Listed Price | Condition | Output Power | Key Specs |
|---|---|---|---|---|
| Used & Tested Rexroth HMV01.1E Control Power Supply | USD 2,474.68 | Used & Tested | 30 kW | 400-480V input, 48-62Hz |
| Mean Well MDR-100-12 DIN Rail Power Supply | USD 29.99 | New | 90 W | 12V, 7.5A, DIN rail, adjustable voltage, LED indicator, DC OK signal |
Where the Rexroth wins
The Rexroth is in a different power class. Its output capability dwarfs the Mean Well's, making it suitable for applications that need serious current behind the control supply. It also includes a 2-year warranty and a 60-day money-back guarantee, which adds peace of mind for buyers taking on an expensive industrial component.
Where the Mean Well wins
The Mean Well is much easier on the budget and designed for simple panel mounting. For most low-voltage jobs, it's the more practical way to get reliable DC power.
Product notes
Used & Tested Rexroth HMV01.1E-W0030-A-07-NNNN Control Power Supply
This unit is rated for 30kW output with an input range of 400-480V and a frequency rating of 48-62Hz, so it's clearly aimed at heavy industrial machinery. It's sold as Used & Tested, and the package includes a 2-year warranty, 60-day money-back, and lifetime professional support. The reason to choose it is straightforward: if your machine needs that kind of power, nothing else in this comparison comes close. The limitation is the cost - you're investing in a used component that must match your cabinet and electrical system. If you only need low-voltage DC, this is more power than you'll ever use.
Mean Well MDR-100-12 DIN Rail Power Supply
The Mean Well delivers 12V DC at 7.5A, which works out to 90W of continuous output. It's new, housed in a plastic enclosed case, and designed to snap onto a DIN rail for indoor control panels. The adjustable voltage, LED indicator, and DC OK signal are practical touches for troubleshooting and monitoring. The reason to choose it is its combination of low price, new condition, and small footprint. The limitation is the 90W ceiling: it cannot power high-current motors, drives, or large machine loads. Its 12V DC output is strictly for control circuits, not for feeding a 400-480V industrial line.
Final choice by use case
If you're putting together a low-voltage control panel and want an affordable, compact supply, the Mean Well MDR-100-12 is the obvious fit. If you're supporting equipment that needs that level of control power, the Rexroth HMV01.1E is the unit that can handle it - provided your facility has the right input voltage and you're prepared for the investment.
