1. Uvod
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the VEMER VN320800 TMC 40/24 DIN Rail Transformer. This transformer is designed for continuous service, converting a primary voltage of 230 V AC to a secondary voltage of 12-24 V AC with a power output of 40 VA. It is suitable for powering low-voltage devices and is intended for mounting on a DIN rail.
Molimo vas da pažljivo pročitate ovaj priručnik prije instalacije i upotrebe i sačuvate ga za buduću upotrebu.
2. Sigurnosne informacije
UPOZORENJE: Opasnost od električnog udara. Instalaciju i održavanje treba obavljati samo kvalificirano osoblje.
- Always disconnect power before installing, servicing, or removing the transformer.
- Osigurajte da sve instalacije budu u skladu s lokalnim i nacionalnim električnim propisima.
- Do not exceed the specified primary and secondary voltage ratings or the maximum power output of 40 VA.
- Protect the transformer from moisture, dust, and extreme temperatures.
- Potvrdite tačan voltage output before connecting any load to prevent damage to connected devices.
- The transformer is designed for DIN rail mounting. Ensure it is securely fastened.
- Do not open the transformer housing. There are no user-serviceable parts inside.
3. Proizvod je gotovview
The VEMER VN320800 TMC 40/24 is a compact and reliable DIN rail transformer. Key features include:
- Model: VN320800 TMC 40/24
- Primary Voltage: 230 V AC
- Secondary Voltage: 12-24 V AC (selectable or depending on wiring)
- Izlazna snaga: 40 VA
- Montaža: DIN Rail (3 modules DIN)
- Dimenzije: 5.4 x 6 x 8.7 cm

Slika 1: Prednja strana view of the VEMER VN320800 TMC 40/24 DIN Rail Transformer.

Figure 2: Product label detailing model VN320800, TMC 40/24, primary 230V AC, and secondary 12-24V AC.
4. Podešavanje
4.1 Montaža
The VEMER VN320800 TMC 40/24 transformer is designed for mounting on a standard DIN rail (3 modules wide).
- Ensure the DIN rail is securely installed within an electrical enclosure.
- Align the transformer's mounting clips with the DIN rail.
- Press the transformer firmly onto the rail until it clicks into place.
- Verify that the transformer is stable and cannot be easily dislodged.

Slika 3: Pozadi view of the transformer, illustrating the DIN rail mounting clips.
4.2 Ožičenje
CAUTION: Incorrect wiring can cause damage to the transformer or connected devices. Refer to the wiring diagram on the product label or device for specific connections.
- Primarna veza (ulaz): Connect the 230 V AC mains supply to the designated primary terminals. Ensure proper phase and neutral connections.
- Sekundarni priključak (izlaz): Povežite svoj low-voltage device(s) to the secondary terminals. The transformer provides 12-24 V AC output. Consult the product label for specific terminal configurations for 12V and 24V output.
- Use appropriate wire gauges for all connections to handle the current safely.
- Ensure all terminal screws are tightened securely to prevent loose connections and arcing.

Slika 4: Vrh view showing the primary and secondary connection terminals.
5. Uputstvo za upotrebu
Once properly installed and wired, the VEMER VN320800 TMC 40/24 transformer operates automatically when power is supplied to its primary input.
- Apply 230 V AC power to the primary input terminals.
- The transformer will convert this to the specified secondary voltage (12-24 V AC) at the output terminals.
- Ensure the total power consumption of all connected devices does not exceed 40 VA.
- Monitor the connected devices for proper operation.
6. Održavanje
The VEMER VN320800 TMC 40/24 transformer is designed for long-term, maintenance-free operation. However, periodic checks are recommended:
- Vizuelni pregled: Periodically inspect the transformer and its connections for any signs of damage, overheating, or loose wiring.
- čišćenje: If necessary, gently clean the exterior of the transformer with a dry, soft cloth. Do not use liquids or abrasive cleaners.
- Uslovi okoline: Osigurajte da radno okruženje ostane unutar specificiranih raspona temperature i vlažnosti.
- Nema internog servisiranja: Do not attempt to open or repair the transformer. Refer any issues to qualified service personnel.
7. Otkrivanje problema
If you encounter issues with your VEMER VN320800 TMC 40/24 transformer, consider the following:
- No Output Voltage:
- Check if the primary 230 V AC power supply is active.
- Verify all primary and secondary wiring connections are secure and correct.
- Ensure no short circuits exist in the connected load.
- Netačan izlazni volumentage:
- Izmjerite izlaznu zapreminutage sa multimetrom.
- Važna napomena: Some users have reported that the actual output voltage can be higher than the stated 12V or 24V (e.g., 12V output measuring 16V, or 24V output measuring 29-32V) when unloaded or lightly loaded. This can potentially damage sensitive low-voltage devices. Always verify the actual output voltage with a multimeter before connecting critical equipment. If the voltage is too high, consider using a voltage regulator or a different transformer.
- Ensure the load is within the 40 VA rating. Overloading can cause voltage drop.
- pregrijavanje:
- Odmah isključite napajanje.
- Check if the transformer is overloaded (total connected load exceeds 40 VA).
- Ensure adequate ventilation around the transformer.
- Verify there are no short circuits in the secondary circuit.
8. Specifikacije
| Broj modela | VN320800 |
| Stil | TMC 40/24 |
| Primary Voltage | 230 V AC |
| Secondary Voltage | 12-24 V AC |
| Izlazna snaga | 40 VA |
| Vrsta montaže | DIN Rail (3 modules) |
| Dimenzije (D x Š x V) | 5.4 x 6 x 8.7 cm |
| Težina | 600 grama |
| Proizvođač | Vemer |
| Zemlja porijekla | Italija |
| Usklađenost | CE, DIN |

Figure 5: Approximate dimensions of the transformer.

Figure 6: Side label with manufacturer information and compliance markings.
9. Garancija i podrška
VEMER products are manufactured to high-quality standards. For warranty information and technical support, please refer to the official VEMER webstranicu ili kontaktirajte lokalnog distributera. Sačuvajte račun kao dokaz o kupovini.
Za dodatnu pomoć, posjetite www.vemer.com.





