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Mersen Surge Protector Type 2+3 SPD 2 Pole 24 Volt 3KA TT/TNS Remote Indication
Mersen 83230505 STMT23-6K30V-SP-SM Type 2+3 surge protection device, 6 kA Imax, 24 V nominal operating voltage, 30 V continuous operating voltage, 2 pole slim monobloc SPD with remote indication.
£61.88
Why Choose the Mersen 83230505 Surge Protection Device?
The Mersen 83230505 is a compact and reliable Type 2+3 surge protection device designed to protect sensitive electrical and electronic equipment from transient overvoltages. Part of the Mersen Surge-Trap Monobloc STMT23 series, this slim DIN rail mounted SPD is suitable for low voltage power lines in industrial, commercial and control system applications.
This surge protection device provides fine protection for equipment exposed to switching surges and indirect lightning effects. Its monobloc construction, slim one-module format and integrated status indication make it well suited for control panels, automation cabinets and installations where panel space is limited.
With a 6 kA maximum discharge current, 24 V nominal operating voltage and 30 V continuous operating voltage, the 83230505 is designed for 1Ph+N TT and TN-S systems. The unit includes remote indication capability, helping maintenance teams monitor SPD condition and plan replacement when required.
Key Advantages
- Compact Type 2+3 surge protection device for sensitive equipment.
- 6 kA Imax discharge rating for transient overvoltage protection.
- 24 V nominal operating voltage with 30 V maximum continuous operating voltage.
- Slim one-module DIN rail mounting saves valuable panel space.
- Suitable for 1Ph+N TT and TN-S systems.
- Remote indication supports condition monitoring and preventative maintenance.
Key Features
- Mersen Surge-Trap Monobloc STMT23 series.
- Type 2+3 / Class II + III surge protection.
- 6 kA maximum discharge current Imax (8/20 µs).
- 3 kA nominal discharge current.
- 24 V nominal operating voltage.
- 30 V maximum continuous operating voltage.
- 2-pole slim monobloc format.
- Visual and remote end-of-life indication.
Reliable Surge Protection for Sensitive Equipment
Surge protection devices help limit transient overvoltages before they can damage connected equipment. In automation panels and low voltage control systems, this helps reduce downtime, protect sensitive electronics and improve long-term installation reliability.
The Mersen STMT23 series is designed for applications where compact dimensions, dependable surge performance and easy condition monitoring are important. Its slim DIN rail format makes the 83230505 especially useful in crowded control panels and distribution boards.
Typical Applications
- Industrial automation and control panels.
- Power supplies and low voltage control circuits.
- Commercial electrical installations.
- Communication and IT equipment protection.
- Water treatment and process control systems.
- LED outdoor lighting and sensitive electronic loads.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | Surge protection device | |
| SPD Type | Type 2+3 | |
| Earthing System | TN-S, TT | |
| Nominal Discharge Current (In) | 3 kA | |
| Remote Signal | Yes | |
| Manufacturer | Mersen | |
| Series | Surge-Trap Monobloc STMT23 | |
| Model | STMT23-6K30V-SP-SM | |
| Item number | 83230505 | |
| 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 | 24 V | |
| Maximum continuous operating voltage | 30 V | |
| Network type | TN-S, TT | |
| Number of poles | 2 poles | |
| Format | Slim monobloc, 1 module | |
| Mounting type | DIN rail mounting | |
| Protection rating | IP20 | |
| Remote indication | Yes | |
| EAN / UPC | 8435297850441 | |
| HS Code | 85363090 | |
| Country of Manufacture | Spain |
Frequently Asked Questions
What is the Mersen 83230505 used for?
The Mersen 83230505 is used to protect sensitive electrical and electronic equipment from transient overvoltages on low voltage power lines.
What type of surge protection device is this?
It is a Type 2+3 / Class II + III surge protection device from the Mersen Surge-Trap Monobloc STMT23 series.
What is the discharge rating of the 83230505?
The device has a 6 kA maximum discharge current Imax and a nominal discharge current of approximately 3 kA.
What voltage is the Mersen 83230505 designed for?
The 83230505 has a 24 V nominal operating voltage and a 30 V maximum continuous operating voltage.
Does this SPD include remote indication?
Yes, the Mersen 83230505 includes remote indication, allowing its operating status to be monitored as part of a control or maintenance system.
Trusted by Electrical Engineers Worldwide
Mersen Surge-Trap surge protection devices are used by electrical engineers, panel builders and maintenance teams to protect sensitive equipment, reduce downtime and improve installation reliability.
