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Mersen Surge Protector Type 2+3 SPD 4 Pole 120/208 Volt 10KA TT
Mersen 83230124 STPT23-20K150V-4PG Type 2+3 surge protection device with 20 kA discharge capacity, 150 V AC continuous operating voltage and 3+1 TT four-pole configuration.
£89.28
Why Choose the Mersen 83230124 Surge Protection Device?
The Mersen 83230124 is a high performance Type 2+3 Surge Protection Device (SPD) designed to protect low voltage electrical installations against transient overvoltages. Part of the Mersen Surge-Trap® Pluggable STPT23 Series, this device provides dependable surge protection for three-phase plus neutral systems in commercial, industrial and automation environments.
This pluggable surge protection device is engineered to discharge voltage surges while providing a fine level of voltage protection close to sensitive electrical equipment. Its modular construction supports straightforward installation and fast replacement, helping reduce downtime during maintenance.
With a maximum discharge current of 20 kA (8/20 μs), a 150 V AC continuous operating voltage (Uc) and a 3+1 TT configuration, the Mersen 83230124 is well suited for distribution boards, machinery panels and electrical systems operating at 120/208 V AC.
Key Advantages
- High performance Type 2+3 surge protection device.
- 20 kA maximum discharge current for dependable transient overvoltage protection.
- 150 V AC continuous operating voltage for suitable low voltage systems.
- 3+1 TT configuration for three-phase plus neutral installations.
- Pluggable modular design for quick replacement and simplified maintenance.
- Helps protect distribution boards, control panels and sensitive electrical equipment.
Key Features
- Mersen Surge-Trap® Pluggable STPT23 Series.
- Catalogue number: STPT23-20K150V-4PG.
- Type 2+3 / Class II+III surge protection device.
- 20 kA Imax (8/20 μs).
- 10 kA nominal discharge current (In).
- 150 V AC continuous operating voltage (Uc).
- Four-pole, 3+1 TT configuration.
- Pluggable four-module format.
Reliable Protection Against Transient Overvoltages
Surge protection devices help divert damaging voltage spikes away from connected equipment before they can cause faults, insulation damage or unplanned downtime. They are essential in installations where sensitive automation, control and power equipment must remain protected.
The Mersen STPT23 range is designed as a compact final stage of protection for low voltage installations, making it suitable for use close to the equipment being protected in switchboards, control panels and machinery systems.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Automation and machinery systems.
- Commercial building services.
- PLC, drive and instrumentation protection.
- Three-phase plus neutral TT electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 208 V | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | Surge protection device | |
| SPD Type | Type 2+3 | |
| Nominal Discharge Current (In) | 10 kA | |
| Earthing System | TT | |
| Manufacturer | Mersen | |
| Series | Surge-Trap® Pluggable STPT23 Series | |
| Model | STPT23-20K150V-4PG | |
| SKU | 83230124 | |
| Product type | Surge Protection Device (SPD) | |
| SPD classification | Type 2+3 / Class II+III | |
| Maximum discharge current (Imax) | 20 kA (8/20 μs) | |
| Nominal discharge current (In) | 10 kA | |
| Continuous operating voltage (Uc) | 150 V AC | |
| Nominal operating voltage | 120/208 V AC | |
| System configuration | 3+1 TT | |
| Network type | 3-phase + neutral | |
| Number of poles | 4 | |
| Number of modules | 4 | |
| Format | Pluggable modular device | |
| Mounting type | DIN rail | |
| Standard | EN/IEC 61643-11 | |
| Replacement plug L-N | SP23-20K150V | |
| Replacement plug N-PE | SP23-20K-N | |
| HS Code | 85363090 | |
| Country of Manufacture | Spain |
Frequently Asked Questions
What is the Mersen 83230124 used for?
It is used to protect low voltage electrical installations and connected equipment from transient overvoltages caused by lightning activity, switching events and electrical disturbances.
What type of surge protection device is the Mersen 83230124?
The Mersen 83230124 is a Type 2+3 / Class II+III surge protection device.
What is the maximum discharge current of this SPD?
This device has a maximum discharge current of 20 kA (8/20 μs).
What electrical system is this device designed for?
It is designed for 120/208 V AC three-phase plus neutral TT systems using a 3+1 configuration.
Is the Mersen 83230124 pluggable?
Yes. The device has a pluggable modular format, allowing fast replacement during maintenance.
Trusted by Electrical Professionals Worldwide
Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and maintenance teams to protect critical electrical infrastructure from damaging transient overvoltages.
