Mersen STPT2-40K275V-1P Type 2 surge protection device featuring 40 kA maximum discharge current, 275 V AC Uc, pluggable DIN rail design and reliable protection for low voltage electrical systems.
Original price was: £32.97.£26.37Current price is: £26.37.
The Mersen 83020106 is a high performance Type 2 surge protection device (SPD) designed to protect low voltage electrical installations from transient overvoltages caused by switching operations and indirect lightning strikes. As part of the proven Mersen Surge-Trap® Pluggable STPT2 Series, it provides dependable protection for commercial, industrial and automation applications.
Designed for 230 V AC single phase L-N systems, the STPT2-40K275V-1P delivers a 40 kA maximum discharge current (Imax) and 20 kA nominal discharge current (In), helping safeguard sensitive equipment from damaging voltage surges. Its compact pluggable design enables straightforward installation and simple maintenance when replacement is required.
With a 275 V AC maximum continuous operating voltage (Uc), DIN rail mounting and compliance with EN/IEC 61643-11 and UL 1449, the Mersen 83020106 is an ideal solution for protecting electrical distribution systems, control panels and industrial automation equipment.
Type 2 surge protection devices help divert damaging transient overvoltages away from connected equipment, reducing the likelihood of equipment failure, production downtime and costly repairs. They form an essential part of modern electrical distribution systems.
The Mersen STPT2 Series combines high surge capacity with a replaceable cartridge design, providing dependable protection and simplified maintenance for industrial and commercial electrical installations.
| Voltage | 230 V |
|---|---|
| Phase | Single Phase |
| Manufacturer | Mersen |
| Series | Surge-Trap® Pluggable STPT2 Series - 40 kA |
| Model | STPT2-40K275V-1P |
| SKU | 83020106 |
| Product type | Type 2 Surge Protection Device |
| SPD class | Type 2 / Class II |
| Nominal operating voltage | 230 V AC |
| Maximum continuous operating voltage (Uc) | 275 V AC |
| Maximum discharge current (Imax) | 40 kA |
| Nominal discharge current (In) | 20 kA |
| Configuration | 1 Phase L-N |
| Number of poles | 1 Pole |
| Mounting type | DIN rail |
| Assembly format | Pluggable |
| Protection rating | IP20 |
| Voltage protection level (Up) | ≤ 1.3 kV |
| Standards | EN/IEC 61643-11, UL 1449 |
| Replacement cartridge | SP2-40K275V |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
It protects low voltage electrical systems against transient overvoltages caused by switching operations and indirect lightning strikes.
The Mersen 83020106 is a Type 2 / Class II surge protection device.
It is designed for 230 V AC single phase systems with a maximum continuous operating voltage of 275 V AC.
The device provides a 40 kA maximum discharge current (Imax) and a 20 kA nominal discharge current (In).
Yes. The pluggable cartridge design allows quick replacement when required, reducing maintenance time.
Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and maintenance professionals to protect critical electrical infrastructure 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...