Hager Systemer ST301 Modular bell transformer, bracket on DIN rail.
| Manufacturer part number (MPN) | ST301 |
| EAN / GTIN | 3250615703019 |
| Sales unit | pcs |
| Package quantity | 6 pcs |
| Width | 35 mm |
| Height | 65 mm |
| Type of transformer | Standard bell ringing transformer |
| With on/off switch | No |
| Max. output current | 0.5 A |
| Length | 111 mm |
| Max. output power | 4 W |
| Width in number of modular spacings | 2 |
| Surface mounting | Yes |
| Short-circuit protected | Yes |
| Primary voltage | 230 V |
| Secondary voltage 1 | 8 V |
| Secondary voltage 2 | 12 V |
| Secondary amperage 1 | 0.5 A |
| Secondary amperage 2 | 0.33 A |
| Temperature protection | Yes |
| Max. power loss | 1.8 W |
| Flush-mounted installation | No |
| Country of origin | France |
| MOQ | 1 |