TV Guard
The Powermax TV Guard regulates power delivery to sensitive electronic equipment by monitoring incoming AC voltage levels. It interrupts the circuit if the supply voltage exceeds 260V or drops below 190V. This prevents thermal damage to internal power supply components during electrical instability. The unit features a microprocessor-controlled timer to manage reconnection cycles. It ensures the grid is stable before re-energizing the load. This prevents the high-frequency transients often associated with grid recovery from reaching the television. Consequently, this isolation prevents hardware failure caused by unstable electrical grids.
Key Features
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Automatic Voltage Monitoring
- Disconnects load when input voltage exceeds 260V.
- Disconnects load when input voltage drops below 190V.
- Protects SMPS components from thermal stress.
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Reconnection Delay Logic
- Fixed 30-second startup timer ensures grid stability.
- Protects against inductive kickback during power restoration.
- Automatic reset functionality requires no manual input.
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Transient Surge Suppression
- Integrated Metal Oxide Varistors clamp voltage spikes.
- Absorbs energy from nearby lightning or grid switching.
- Provides a secondary layer of protection for semiconductors.
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Diagnostic LED Interface
- Red LED indicates fault condition or wait period.
- Green LED confirms safe voltage output.
- Allows for rapid visual troubleshooting in the field.
Specifications
| Feature | Specification |
|---|---|
| Nominal Voltage | 230V AC |
| Current Rating | 5 Amps |
| Frequency | 50/60Hz |
| Wait Time | 30 Seconds |
| High Voltage Disconnect | 260V |
| Low Voltage Disconnect | 190V |
| Housing Material | Fire-retardant Polycarbonate |
| Plug Type | BS 1363 (UK Standard) |
What’s in the Box
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Powermax TV-PMG Voltage Protector
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Instruction Manual
Why Choose TV Guard
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The voltage regulator unit ensures operational stability in regions with fluctuating utility power. It prevents the cumulative degradation of internal components caused by repeated brownout events. Modern Switched Mode Power Supplies (SMPS) are highly sensitive to voltage sags. During a brownout, the SMPS increases duty cycles to compensate for lower input voltage. This leads to overheating in the primary switching transistors. The protection unit mitigates this risk by providing a clean disconnect. The automatic reset function eliminates the need for manual intervention after power restoration. Its compact form factor allows for installation in tight spaces behind media consoles. Precision-engineered pins ensure a secure fit in standard sockets. This prevents arcing caused by loose connections. The polycarbonate chassis provides high dielectric strength and heat resistance. This ensures the device remains safe even during extreme surge events. It offers a transparent layer of protection without affecting the performance of the connected hardware.
Mercy Chepkoech (verified owner) –
It does the job well for the TV. Just remember it is 5A so don’t try to plug in a heater or heavy iron box by mistake. Good value for money though, definitely protects against low voltage.
Kevin Mutua (verified owner) –
I bought several of these for our small office in Westlands. We have expensive monitors and CPUs that need protection. The indicator lights are very clear—red when it’s still checking the voltage and green when it’s safe to pass power. It’s a small price to pay to avoid a blown motherboard. Build quality is better than the generic brands I’ve used before.
Sarah Atieno (verified owner) –
The Powermax guard is solid. I like the delay feature that waits for power to stabilize before switching on. It feels sturdy compared to those cheap ones you find in town. Only downside was the packaging was a bit dusty, but the item inside was brand new.
Josphat Mwangi (verified owner) –
Good quality. Very necessary for these Nairobi power surges. My TV is safe now.
Brian Omondi (verified owner) –
Ordered yesterday and it arrived in the afternoon. Using it for my 55 inch Sony and it’s working perfectly. Peace of mind especially during this rainy season when the lights keep flickering.