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Mersen Surge Protector Type 2+3 SPD 2 Pole 120 Volt 3KA TT/TNS
Mersen 83230502 STMT23-6K150V-SP-S Type 2+3 slim monobloc surge protection device with 6 kA discharge capacity, 150 V AC continuous operating voltage and SP TT/TNS configuration.
£55.16
Why Choose the Mersen 83230502 Surge Protection Device?
The Mersen 83230502 is a compact Type 2+3 Surge Protection Device (SPD) designed to protect low voltage AC and DC electrical installations against transient overvoltages. Part of the Mersen Surge-Trap® Monobloc STMT23 Series, this slim SPD is ideal for protecting sensitive control, communication and power supply equipment where DIN rail space is limited.
Designed for DIN rail installation, this monobloc surge protection device provides effective protection against voltage spikes caused by lightning activity, switching operations and electrical disturbances. Its slim single-module construction allows straightforward installation in compact control panels, machinery cabinets and distribution boards.
With a maximum discharge current of 6 kA (8/20 μs), a 150 V AC maximum continuous operating voltage (Uc) and a 1 phase + neutral SP TT/TNS configuration, the Mersen 83230502 is ideal for protecting 120 V AC control circuits and sensitive low voltage electrical equipment.
Key Advantages
- Compact Type 2+3 surge protection device for sensitive low voltage equipment.
- 6 kA maximum discharge current for effective surge protection.
- Slim monobloc design for installations with limited DIN rail space.
- 150 V AC continuous operating voltage.
- 1 phase + neutral configuration for TT and TNS systems.
- Suitable for control systems, power supplies and communication equipment.
Key Features
- Mersen Surge-Trap® Monobloc STMT23 Series.
- Model: STMT23-6K150V-SP-S.
- Type 2+3 / Class II+III surge protection device.
- 6 kA Imax (8/20 μs).
- 3 kA nominal discharge current (In).
- 150 V AC maximum continuous operating voltage (Uc L-N).
- Two-pole, 1Ph+N SP TT/TNS configuration.
- Slim one-module monobloc format.
Reliable Protection for Sensitive Low Voltage Equipment
Surge protection devices safely divert transient overvoltages away from connected equipment before they can cause electronic damage, insulation failure or costly downtime. Compact Type 2+3 devices provide fine protection close to sensitive electrical equipment where dependable performance is essential.
The Mersen Surge-Trap® Monobloc STMT23 Series is suitable for AC and corresponding DC voltage applications, making it ideal for protecting controls, power supplies, communication systems and instrumentation installed within compact electrical panels.
Typical Applications
- Control panels and machinery cabinets.
- Power supply protection.
- Communication systems.
- Instrumentation and monitoring equipment.
- 120 V AC control circuits.
- Compact distribution boards with limited DIN rail space.
Technical Specifications
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| Voltage | 120 V | |
|---|---|---|
| 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 | No | |
| Manufacturer | Mersen | |
| Series | Surge-Trap® Monobloc STMT23 Series | |
| Model | STMT23-6K150V-SP-S | |
| SKU | 83230502 | |
| Product type | Surge Protection Device (SPD) | |
| SPD classification | Type 2+3 / Class II+III | |
| Maximum discharge current (Imax) | 6 kA (8/20 μs) | |
| Nominal Discharge Current (In) | 3 kA | |
| Combined voltage pulse (Uoc) | 6 kV | |
| Nominal operating voltage (Un) | 120 V AC | |
| Maximum continuous operating voltage (Uc L-N) | 150 V AC | |
| Maximum continuous operating voltage (DC) | 200 V DC | |
| System configuration | TN-S, TT | |
| Network type | TN-S, TT | |
| Number of poles | 2 | |
| Number of modules | 1 | |
| Format | Slim monobloc | |
| Mounting type | DIN rail | |
| Protection modes | L-N / L-PE | |
| Protection rating | IP20 | |
| Short circuit withstand (ISCCR) | 10 kA | |
| Maximum back-up fuse | 63 A gG | |
| EAN | 8435297850496 | |
| HS Code | 85363090 | |
| Country of Manufacture | Spain |
Frequently Asked Questions
What is the Mersen 83230502 used for?
It is used to protect sensitive low voltage electrical equipment from transient overvoltages caused by lightning activity, switching events and electrical disturbances.
What type of surge protection device is the Mersen 83230502?
The Mersen 83230502 is a Type 2+3 / Class II+III surge protection device.
What is the maximum discharge current?
The device provides a maximum discharge current of 6 kA (8/20 μs) with a nominal discharge current of 3 kA.
What operating voltage is this SPD designed for?
It is designed for 120 V AC systems with a maximum continuous operating voltage of 150 V AC.
How is the Mersen 83230502 installed?
It features a slim one-module monobloc DIN rail design, making it ideal for compact electrical panels and control cabinets.
Trusted by Electrical Professionals Worldwide
Mersen Surge-Trap® surge protection devices are trusted by electrical engineers, panel builders and maintenance professionals to protect sensitive electrical systems from damaging transient overvoltages.
