Key facts
- Brand
- PTC
- Model
- PT2125
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-10
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PTC PT2125 Fan Controller User Manual
The PT2125 is a fan controller that adds two toggle outputs for swing‑head control, rhythm wind and buzzer functions to the PT2124 family. It supports CMOS technology, a 4‑step timer scale, 3‑state wind speed, and optional middle‑wind start‑up.
The manual provides a full pin configuration (20‑pin DIP), application circuit diagrams, parts lists with values, power‑supply guidelines, and ordering part numbers for the various package options.
PTC PT2125 specifications
| Technology | CMOS |
|---|---|
| Timer scale | 4‑step |
| Wind speed states | 3 |
| Middle wind start‑up time | 2 seconds |
| Toggle inputs/outputs | 2 sets |
| Buzzer function | Yes |
| Countdown timer control | Auto with LED display |
| Base frequency input | 32768 Hz or 50/60 Hz |
| Package type | 20‑pin DIP |
All PTC PT2125 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What additional functions does the PT2125 fan controller provide?
It adds two toggle outputs for swing‑head control, rhythm wind and buzzer functions to the PT2124.
What base frequency options are supported by the PT2125?
The controller can use either a 32 768 Hz crystal or a 50/60 Hz AC line frequency as its base input.
What base‑frequency options does the PT2125 support?
It can use either a 32768 Hz crystal or a 50/60 Hz AC line frequency as the base input.
How many toggle outputs are provided by the PT2125?
The PT2125 provides two toggle outputs for swing head control, rhythm wind, and buzzer functions.