The main difference is the voltage they run on: a 12V DC timer is powered by a low-voltage DC supply, while a 230V AC timer runs directly from mains electricity. Pick the one that matches the circuit you are controlling, because mixing them is unsafe and will not work.
What is a 12V DC timer used for?
A 12V DC timer is used on low-voltage DC circuits, most often streetlights and irrigation scheduling. The ManHua MT102C 16A 12V DC Timer is a DIN rail mounted unit with daily and weekly programming and up to 17 on/off settings.
Its key feature is that it holds its schedule for up to 60 days without power at all. That suits places where outages run long, not just a brief blip. Many cheaper timers lose their programming after a few days without power.
The compact 60 x 60 x 32mm body also helps where panel space is tight. It is rated at 16A on 12V DC.
What is a 230V AC timer used for?
A 230V AC timer runs from mains electricity and is used for lights, fridges, fans, routers, aquarium filters and other plug-in appliances, or for general-purpose lighting and equipment automation. There are two main styles in the range.
The Manhua MET-UK 16A Timer Plug needs no wiring at all: it plugs into a standard socket and sits between the wall and the appliance. It does daily and weekly scheduling with up to 17 programs, and battery backup keeps the schedule through a power cut.
The Manhua KG316T Timer Switch is DIN rail mounted and rated 25A at 240V AC. It has the widest programming range: seconds, hourly, daily, weekly and a countdown mode, with up to 25 settings. Second-level programming lets it fire for an exact short burst, such as a school bell or a timed industrial process, rather than a minute-wide window.
How do I match the timer to my circuit?
Check the voltage on the circuit you want to control, then choose a timer with the same voltage. A 12V DC timer belongs on a 12V DC circuit; a 230V AC timer belongs on mains.
Also check how the timer is installed. The MET-UK plug needs no wiring, but every other timer in this range needs a distribution board and at least basic wiring knowledge.
- Voltage: 12V DC for the MT102C; 230V AC for the MET-UK; 240V AC for the KG316T.
- Rated load: 16A for the MT102C and MET-UK; 25A for the KG316T.
- Mounting: DIN rail for the MT102C and KG316T; plug-in for the MET-UK.
- Program type: daily and weekly for the MT102C and MET-UK; seconds, hourly, daily, weekly and countdown for the KG316T.
- Max programs: 17 for the MT102C and MET-UK; 25 for the KG316T.
Which timer suits irrigation and which suits lights?
For 12V DC irrigation or streetlight circuits, the ManHua MT102C is the one to look at. It is DIN rail mounted and keeps its schedule for up to 60 days without power, which matters when outages are long.
For 230V AC lights and plug-in appliances, the Manhua MET-UK timer plug is the simplest choice because it needs no wiring. It handles daily and weekly schedules and has battery backup.
For 230V AC lighting or equipment that needs second-level timing, the Manhua KG316T gives you seconds, hourly, daily, weekly and countdown modes at 25A.
Here is the side-by-side view to help you choose.
| Feature | Manhua MET-UK | Manhua KG316T Timer Switch with Seconds | ManHua MT102C 16A 12V DC Timer |
|---|---|---|---|
| Product | |||
| Price | KSh 2,000 | KSh 1,800 | KSh 1,750 |
| Rated Load (A) | 16 | 25 (highest) | 16 |
| Voltage | 230V AC | 240V AC | 12V DC |
| Program Type | Daily, Weekly | Seconds, Hourly, Daily, Weekly, Countdown | Daily, Weekly |
| Max Programs | 17 | 25 (highest) | 17 |
| Phase | Single Phase | Single Phase | Not Applicable |
| DIN Rail Mount | No | Yes | Yes |
| Stands out | Highest rated load (a), max programs | ||
| Suits | Fridges, lights, fans, routers, aquarium filters and other plug-in appliances | General purpose lighting and equipment automation, plus applications needing an exact short-duration trigger | Streetlights and irrigation scheduling on 12V DC circuits |
| Link | View & Buy | View & Buy | View & Buy |
What should I check before buying a timer?
Check the voltage, the rated load of what you are switching, the mounting method and the programming you need. Then confirm the timer will fit your panel or socket.
- Voltage matches your circuit: 12V DC or 230/240V AC.
- Rated load is at least the current your appliance draws.
- Mounting fits: DIN rail or plug-in.
- Programming range covers your schedule: daily, weekly, or seconds and countdown.
- Battery backup is listed if you want the schedule to survive a power cut.
One honest limit: the 12V DC MT102C holds its schedule for up to 60 days without power, but the other timers in this range list battery backup without a stated hold time. If long outages are normal for you, that difference matters.
Which one should you pick?
Pick by voltage first, then by how you want to install it. The MET-UK is the easiest for 230V plug-in appliances because it needs no wiring. The MT102C is the one for 12V DC irrigation and streetlights. The KG316T is for 240V AC jobs that need second-level timing and a 25A load.
For a deeper look at automating irrigation, see how to automate your farm irrigation system in Kenya: timer vs WiFi solutions (2026). You can also browse the programmable timer switches category.
Ready to choose? Start with the timer that matches your circuit.
View the MET-UK timerKSh 2,000 · In stock
- Manhua MT316S 12V DC Timer Switch with Seconds | 16A, Solar & IrrigationKSh 2,000
- ManHua MT822 Astronomical Timer Switch | 2 Relay, 240V 16AKSh 4,000
- ManHua MT316S AC Timer Switch with Seconds | 25A 220VAC, 1 Sec to 168 HrsKSh 2,000
- ManHua MT317 3-Phase Timer | 16A 380VAC DIN Rail | Weekly Programming for Factory and LightingKSh 4,300
- ManHua MT15 Digital Timer Switch | 16A Dual Control RelayKSh 1,950
- Manhua MT619HPV 12V DC Timer | LCD Programmable, Solar & PumpsKSh 1,950
- ManHua NKG-3 Random Timer Switch | AC 220V 16A, Security LightingKSh 3,800
Which one should you pick?
Pick the Manhua MET-UK if
- You want a 230V timer with no wiring at all.
- You are automating a plug-in appliance like a fridge or fan.
Pick the Manhua KG316T Timer Switch with Seconds if
- You need second-level timing for a bell or process.
- You want a 25A DIN rail timer on a 240V AC circuit.
Pick the ManHua MT102C 16A 12V DC Timer if
- Your circuit is 12V DC, such as irrigation or streetlights.
- You need the schedule to survive long outages, up to 60 days.
Where you would use it
- Irrigation scheduling Set a 12V DC timer to water your plot on daily or weekly schedules, even when power is out.
- Streetlight control Automate 12V DC streetlights to switch on and off at set times without manual visits.
- Fridge and freezer Use a plug-in 230V timer to cycle a fridge or freezer on a daily schedule.
- School bell Program a 240V timer to ring a bell for an exact short burst at set times.
- Aquarium filters Put a plug-in timer on an aquarium filter to run on a daily on/off routine.
Frequently asked questions
No. A 230V AC timer like the Manhua MET-UK or Manhua KG316T needs mains voltage. For a 12V DC circuit, use a 12V DC timer such as the ManHua MT102C.
Up to 60 days with no power at all.
No, it plugs into a standard socket and sits between the wall and the appliance.
25A at 240V AC.
The Manhua KG316T supports seconds, hourly, daily, weekly and countdown modes.
