1. Utangulizi
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. Maagizo ya Usalama
- Hatari ya Umeme: Ufungaji lazima ufanywe na fundi umeme aliyehitimu kwa mujibu wa kanuni na kanuni zote za umeme za mitaa na kitaifa.
- Kukatwa kwa Nguvu: Always disconnect power at the main circuit breaker before installing, servicing, or removing the switch mechanism. Verify power is off using a voltagjaribu.
- Voltage na ya sasa: Usizidi ujazo uliotajwatage (250V~) and current (10 AX) ratings of this device.
- Zana Sahihi: Tumia vifaa vinavyofaa vya kuzuia joto kwa kazi ya umeme.
- Masharti ya Mazingira: Do not install in wet or excessively humid environments unless specifically rated for such conditions.
3. Bidhaa Imeishaview
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.

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

Picha ya 3.2: Mwenye pembe view of the Jung 505U Double Switch Mechanism, showing the internal components and the metal mounting frame with "TOP" indicator.
4. Ufungaji
Follow these steps carefully for the correct installation of the Jung 505U Double Switch Mechanism.
- Ondoa Nguvu: 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.
- Tayarisha 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).
- Unganisha Waya:
- 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.

Picha ya 4.1: Nyuma 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.
- Ambatisha Bamba la Kufunika: Once the mechanism is securely mounted, attach the appropriate Jung cover plate and rocker switches (sold separately) according to their instructions.
- Rejesha Nguvu: Once installation is complete and all components are securely in place, restore power at the main circuit breaker.
5. Maagizo ya Uendeshaji
The Jung 505U Double Switch Mechanism operates as a standard ON-OFF-ON switch for two independent circuits.
- KUWASHA/ZIMA: 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.
- Udhibiti Huru: Each rocker switch controls its own dedicated circuit independently.
6. Matengenezo
- Kusafisha: To clean the surface of the switch, use a soft, damp kitambaa. Usitumie visafishaji vya abrasive, vimumunyisho, au kemikali kali, kwani hizi zinaweza kuharibu umalizio.
- Ukaguzi: Kagua swichi mara kwa mara ili kuona dalili zozote za uharibifu, miunganisho iliyolegea au kubadilika rangi. Ikiwa masuala yoyote yatazingatiwa, kata nguvu na uwasiliane na fundi umeme aliyehitimu.
- Hakuna Sehemu Zinazoweza Kutumika kwa Mtumiaji: The internal mechanism contains no user-serviceable parts. Do not attempt to disassemble the unit.
7. Utatuzi wa shida
If you encounter issues with your Jung 505U Double Switch Mechanism, consider the following common troubleshooting steps:
- Hakuna Nguvu ya Kupakia:
- 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:
- Tenganisha nguvu.
- Remove the cover plate and ensure the mechanism is securely fastened to the wall box with its mounting screws.
- Harufu ya Kuungua/Kupasha Joto Kupita Kiasi:
- 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. Vipimo
| Kipengele | Vipimo |
|---|---|
| Chapa | Jung |
| Nambari ya Mfano | 505U |
| Uendeshaji Voltage | 250 V ~ |
| Ukadiriaji wa Sasa | 10 AX |
| Hali ya Uendeshaji | IMEWASHA |
| Aina ya Mawasiliano | Kawaida Fungua |
| Aina ya kiunganishi | Screw terminal |
| Material (Contact) | Shaba |
| Material (General) | Copper (internal wiring), Metallic / White (housing/frame) |
| Vipimo (L x W x H) | 7.1 x 7.1 x 4 cm |
| Aina ya Mzunguko | 2 Njia |
9. Udhamini na Msaada
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 webtovuti au wasiliana na msambazaji wako wa karibu.





