Mersen 44120000 surge protection device designed to protect low-voltage electrical installations against transient overvoltages.
£110.75
The Mersen 44120000 is a surge protection device (SPD) designed to help safeguard low-voltage electrical installations from transient overvoltages caused by lightning activity and electrical switching events. Manufactured by Mersen, a global specialist in electrical power and advanced protection solutions, this device helps protect valuable equipment while improving the reliability of commercial and industrial electrical systems.
Its compact modular design enables straightforward installation within electrical distribution boards and control panels, making it suitable for a wide range of low-voltage applications where dependable surge protection is required.
By safely diverting transient surge energy away from connected equipment, the Mersen 44120000 helps minimise downtime, reduce maintenance costs and extend the operational life of sensitive electrical and electronic devices.
Electrical installations are vulnerable to transient overvoltages generated by lightning strikes, utility network disturbances and switching operations. Installing a surge protection device helps divert these surge currents safely away from connected equipment, reducing the risk of costly failures and improving overall system reliability.
Mersen surge protection products are trusted worldwide for protecting electrical infrastructure across industrial, commercial and critical facilities where equipment availability is essential.
| Phase | Single Phase |
|---|---|
| Manufacturer | Mersen |
| Manufacturer part number | 44120000 |
| Product type | Surge protection device |
| Application | Low-voltage electrical installations |
| Mounting type | DIN rail |
| Installation location | Distribution boards and control panels |
| RoHS compliant | Yes |
The Mersen 44120000 is designed to protect low-voltage electrical installations and connected equipment against transient overvoltages.
It is typically installed on a DIN rail inside electrical distribution boards and industrial control panels.
The device is suitable for commercial buildings, industrial facilities and other low-voltage electrical systems requiring surge protection.
Surge protection devices help minimise equipment damage caused by lightning activity and switching events, improving system reliability and reducing maintenance costs.
Yes. It is designed for use in industrial and commercial electrical installations where dependable surge protection is required.
Mersen manufactures high-quality electrical protection products trusted worldwide to improve power system reliability and protect valuable electrical equipment against damaging transient overvoltages.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...