Danfoss ECA 99 mains transformer supplying 24 V a.c. from a 230 V a.c. mains supply, used to power 24 V ECL Comfort electronic controllers and their 24 V accessories. Output voltage 24 V a.c., ambient 0 to +50 °C. OEM P/N 087B1156. EAN 5702421640470. Verbatim technical data from store.danfoss.com (code 087B1156).
| Type | ECA 99 |
| Code number | 087B1156 |
| Product group | Accessories — electronic controllers |
| Function | Mains transformer 230 V a.c. -> 24 V a.c. |
| Mains supply | 230 V a.c. |
| Output voltage | 24 V a.c. |
| Ambient temperature | 0 to +50 °C |
| Storage / transport temperature | -40 to +70 °C |
| Net weight | 1.034 kg |
| Gross weight | 1.047 kg |
| EU RoHS | Yes |
| REACH candidate-list | None |
| EAN | 5702421640470 |
| Ambient temperature [°C] [max] | 50 °C |
| Ambient temperature [°C] [min] | 0 °C |
| Description | ECA 99 TRANSFORMER 24 V |
| EU RoHS compliance | Yes |
| Label product | Yes |
| Mounting version | 230 V a.c. Mains supply |
| Output voltage [V] AC | 24 V |
| REACH Candidate List substances | No |
| Storage temperature [°C] [Max] | 70 °C |
| Storage temperature [°C] [Min] | -40 °C |
| Supply voltage [V] AC | 24 V |
| Transport temperature [°C] [Max] | 70 °C |
| Transport temperature [°C] [Min] | -40 °C |
| Temperature range | 0 to +50 °C (ambient) |
| MOQ | 1 |
Danfoss ECA 99 (087B1156) supplies 24 V a.c. to 24 V ECL Comfort controllers / accessories from 230 V mains. Confirm the controller is the 24 V variant before ordering.