Mersen 83230508 STMT23-6K75V-SP-S Type 2+3 surge protection device with 6 kA Imax, 60 V nominal operating voltage, 75 V maximum continuous operating voltage and slim DIN rail monobloc construction.
£73.55
The Mersen 83230508 is a compact and dependable Type 2+3 surge protection device (SPD) designed to protect sensitive electrical and electronic equipment from transient overvoltages. As part of the Mersen Surge-Trap Monobloc STMT23 series, this slim DIN rail mounted SPD provides reliable protection for low voltage power and control systems used in industrial automation, commercial installations and machinery.
Designed to protect against switching surges and indirect lightning events, the STMT23 series combines excellent surge protection with a space-saving monobloc construction. Its one-module design makes installation straightforward in electrical enclosures where DIN rail space is limited.
With a 6 kA maximum discharge current, 60 V nominal operating voltage and 75 V maximum continuous operating voltage, the 83230508 is suitable for 1Ph+N TT and TN-S systems. It offers dependable protection for control equipment, power supplies, communication systems and other sensitive electronic devices.
Surge protection devices reduce the risk of damage caused by transient overvoltages before they reach connected equipment. Installing an SPD helps protect industrial control systems, communication equipment, power supplies and automation hardware while improving overall system reliability.
The Mersen STMT23 range is engineered for demanding industrial environments where dependable surge protection, compact dimensions and easy installation are essential. Its slim DIN rail design makes the 83230508 ideal for modern electrical control panels.
| Phase | Single Phase |
|---|---|
| Manufacturer | Mersen |
| Series | Surge-Trap Monobloc STMT23 |
| Model | STMT23-6K75V-SP-S |
| Item number | 83230508 |
| Product type | Surge protection device |
| SPD type | Type 2+3 / Class II + III |
| Maximum discharge current | 6 kA Imax (8/20 µs) |
| Nominal discharge current | 3 kA |
| Nominal operating voltage | 60 V |
| Maximum continuous operating voltage | 75 V AC / 100 V DC |
| Network type | 1Ph+N, TT / TN-S |
| Number of poles | 2 poles |
| Format | Slim monobloc, 1 module |
| Mounting type | DIN rail mounting |
| Protection rating | IP20 |
| Indication | Visual LED status indication |
| EAN / UPC | 8435297850472 |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
The Mersen 83230508 protects sensitive electrical and electronic equipment against transient overvoltages in low voltage installations.
It is a Type 2+3 / Class II + III surge protection device from the Mersen Surge-Trap Monobloc STMT23 series.
The device has a 60 V nominal operating voltage with a 75 V AC maximum continuous operating voltage.
The 83230508 provides a 6 kA maximum discharge current (Imax) and a nominal discharge current of 3 kA.
It is commonly installed on DIN rails within industrial control panels, machinery, communication systems and commercial electrical installations.
Mersen Surge-Trap surge protection devices are trusted by panel builders, OEMs and electrical engineers to safeguard critical equipment from damaging transient overvoltages.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...