1. Selelekela
This manual provides detailed instructions for the safe installation, operation, and maintenance of the Jung 505U Double Switch Mechanism. Please read this manual thoroughly before beginning installation or use to ensure proper function and safety.
2. Litaelo tsa Tšireletso
- Kotsi ea Motlakase: Ho kenya ho lokela ho etsoa ke setsebi sa motlakase se tšoanelehang ho latela melao le melawana eohle ea motlakase ea lehae le ea naha.
- Ho Khaoha ha Motlakase: Always disconnect power at the main circuit breaker before installing, servicing, or removing the switch mechanism. Verify power is off using a voltagmohlahlobi.
- Moqtage le Current: Se ke oa feta vol e boletsoengtage (250V~) and current (10 AX) ratings of this device.
- Lisebelisoa tse Loketseng: Sebelisa lisebelisoa tse loketseng tse sireletsang mocheso bakeng sa mosebetsi oa motlakase.
- Maemo a Tikoloho: Do not install in wet or excessively humid environments unless specifically rated for such conditions.
3. Sehlahisoa Overview
The Jung 505U is a double switch mechanism designed for controlling two separate lighting circuits or electrical loads from a single point. It features screw terminals for secure wiring connections.

Setšoantšo sa 3.1: Pele view of the Jung 505U Double Switch Mechanism. This image shows the two switch rockers and the mounting plate with screw holes.

Setšoantšo sa 3.2: Angled view of the Jung 505U Double Switch Mechanism, showing the internal components and the metal mounting frame with "TOP" indicator.
4. Ho kenya
Follow these steps carefully for the correct installation of the Jung 505U Double Switch Mechanism.
- Hakolla Matla: Before starting, ensure the main power supply to the circuit is turned off at the consumer unit/circuit breaker. Use a voltage tester to confirm no power is present at the switch location.
- Lokisa Wiring: Gently strip approximately 10-12mm of insulation from the ends of the electrical wires (Live, Switched Live 1, Switched Live 2, and Neutral if applicable, though this is a switch mechanism).
- Connect Wires:
- Identify the common live wire (input) and connect it to the designated common terminal (often marked 'L' or with an arrow pointing in).
- Connect the switched live wire for the first load to its respective terminal (e.g., 'L1' or '1').
- Connect the switched live wire for the second load to its respective terminal (e.g., 'L2' or '2').
- Ensure all screw terminals are tightened securely to prevent loose connections, which can cause overheating or arcing.

Setšoantšo sa 4.1: Morao view of the Jung 505U Double Switch Mechanism, illustrating the screw terminals for wiring connections. Note the 'TOP' indicator on the metal frame for correct orientation.
- Mount the Mechanism:
- Carefully push the wired mechanism into the wall box, ensuring wires are not pinched.
- Align the mounting plate with the screw holes in the wall box. The "TOP" marking on the metal frame should be oriented upwards.
- Secure the mechanism to the wall box using the provided screws.
- Hokela Poleiti ea Sekoahelo: Once the mechanism is securely mounted, attach the appropriate Jung cover plate and rocker switches (sold separately) according to their instructions.
- Khutlisa Matla: Once installation is complete and all components are securely in place, restore power at the main circuit breaker.
5. Litaelo tsa Ts'ebetso
The Jung 505U Double Switch Mechanism operates as a standard ON-OFF-ON switch for two independent circuits.
- Ho bulela/tima: Press the upper part of a rocker switch to turn the connected load ON. Press the lower part of the same rocker switch to turn the connected load OFF.
- Independent Control: Each rocker switch controls its own dedicated circuit independently.
6. Tlhokomelo
- Ho hloekisa: To clean the surface of the switch, use a soft, damp lesela. U se ke ua sebelisa li-abrasive cleaners, solvents, kapa lik'hemik'hale tse bohale, kaha li ka senya qetello.
- Tlhahlobo: Periodically inspect the switch for any signs of damage, loose connections, or discoloration. If any issues are observed, disconnect power and consult a qualified electrician.
- Ha ho na Likarolo tse ka Sebeletsang: The internal mechanism contains no user-serviceable parts. Do not attempt to disassemble the unit.
7. Ho rarolla mathata
If you encounter issues with your Jung 505U Double Switch Mechanism, consider the following common troubleshooting steps:
- No Power to Load:
- Check if the circuit breaker for the switch is tripped. Reset if necessary.
- Ensure the switch is in the 'ON' position.
- Verify that the light bulb or connected appliance is functioning correctly.
- If the problem persists, disconnect power and check for loose wiring connections at the switch terminals. (Consult a qualified electrician).
- Switch Feels Loose:
- Hakolla motlakase.
- Remove the cover plate and ensure the mechanism is securely fastened to the wall box with its mounting screws.
- Overheating/Burning Smell:
- IMMEDIATELY DISCONNECT POWER AT THE MAIN CIRCUIT BREAKER.
- This indicates a serious electrical fault. Do not attempt to fix it yourself. Contact a qualified electrician immediately.
8. Litlhaloso
| Sebopeho | Tlhaloso |
|---|---|
| Brand | Jung |
| Nomoro ea Mohlala | 505U |
| Tshebetso Voltage | 250 V~ |
| Boemo ba Hona Joale | 10 AX |
| Mokhoa oa ho sebetsa | THABELENG TS'OANE |
| Mofuta oa ho Kopana | Ka tloaelo Open |
| Mofuta oa Sehokelo | Sesebelisoa sa terminal |
| Material (Contact) | Koporo |
| Material (General) | Copper (internal wiring), Metallic / White (housing/frame) |
| Litekanyo (L x W x H) | 7.1 x 7.1 x 4 cm, |
| Mofuta oa Potoloho | 2 Tsela |
9. Tiisetso le Tšehetso
Specific warranty information for the Jung 505U Double Switch Mechanism is typically provided by the retailer or the manufacturer at the point of purchase. Please refer to your purchase documentation or contact Jung customer support for details regarding warranty coverage and technical assistance.
For further support, please visit the official Jung websaete kapa ikopanye le morekisi oa lehae oa hau.