Choosing between industrial power supplies and transformers often comes down to matching the original application instead of picking a generic box. The two units here are aimed at different jobs: one is a used control power supply board for a specific inverter module, the other is a new DIN rail supply for general control circuits. Getting the right one depends on what you are powering and how you want to mount it.
Quick verdict: If your goal is repairing an ABB ACS800-104 inverter module, the ABB APOW-11C is the board designed for that job. If your goal is building or updating a control panel, the Puls QT20.241 DIN rail power supply is the more versatile new option. The ABB board costs $80.00, while the Puls costs $225.00, so your budget will likely follow the application.
| Product | Price | Condition | Input/Output | Best For |
|---|---|---|---|---|
| ABB APOW-11C Control Power Supply Board | $80.00 | Used, tested and fully functional | 3-phase control board for ACS800-104 inverter module | Direct module replacement |
| New Puls QT20.241 DIN Rail Power Supply | $225.00 | New - Open box | 480VAC input, 24VDC output | DIN rail control panel power |
Where each product wins
- Choose the ABB APOW-11C when you already have an ABB ACS800-104 inverter module and need a tested replacement board. It directly matches that inverter family.
- Choose the Puls QT20.241 when you need a new, compact DIN rail supply for various industrial loads. The open-box condition means the unit is new even though the original packaging has been opened.
ABB APOW-11C Control Power Supply Board
The ABB APOW-11C is a used control power supply board for the ABB ACS800-104 inverter module. It is the lower-priced option here, and it is tested and fully functional. That makes it a reasonable choice if you are repairing an existing inverter and want a board designed for that module. It is also marked as a 3-phase unit, so it should match the incoming power configuration of the drive. The limitation is that this is not a general-purpose power supply: it is built for a specific inverter family, and because it is used, you are relying on a pre-owned part. If your project is a fresh panel build, this board may not be the right starting point.
New Puls QT20.241 DIN Rail Power Supply
The Puls QT20.241 is a new, open-box DIN rail power supply. Its main appeal is the clear conversion path: 480VAC input to 24VDC output, which covers a common need for industrial control circuits. The DIN rail format is compact and convenient for installation, making it a strong fit for control cabinets where space is limited and wiring needs to be neat. It is a PULS unit, and it comes in new, open-box condition. The limitation is the higher price: it costs $145.00 more than the ABB board. You are paying for a new, general-purpose supply that can power a range of devices. If you only need to fix an inverter module, this unit is not designed as a replacement board for the ACS800-104.
Final choice by use case
- For an ABB ACS800-104 repair: Pick the ABB APOW-11C if the board matches your module and you are comfortable with a used-but-tested part.
- For a control panel build: Pick the Puls QT20.241 if you need a new DIN rail supply with a clear input and output specification.
Both units serve the same broad category, so the deciding factor is whether you need a module-level repair part or a panel-level DC supply.
