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Mersen Surge Protector Type 1+2 SPD 2 Pole 230 Volt 20KA TNS
MPN: 83120120
Alt. SKU: STPT12-12K275V-2P
This product is discontinued. Please view this replacement item.
Why Choose the STPT12-12K275V-2P Surge Protection Device?
Engineered for robust defence against lightning and transient overvoltages, the STPT12-12K275V-2P Type 1+2 SPD delivers a high Iimp rating of 12.5kA (10/350 μs) for reliable protection of 1-phase + neutral, 230V installations on TNS systems. Its pluggable, 2-pole, 2-module design ensures straightforward installation and swift replacement, minimising downtime.
Certified for demanding industrial and commercial environments, this compact SPD supports continuous operation with reliable surge suppression, enhancing system safety while meeting stringent UK and EU standards.
Product Code: 83120120
Key Benefits
- High lightning impulse current rating (12.5kA) for superior surge protection.
- Pluggable 2-pole, 2-module design allows easy installation and replacement.
- Compact size suitable for DIN rail mounting, saving panel space.
- Visual indication system ensures quick status monitoring.
- Compliant with IEC Class I+II standards for reliable performance.
- Robust housing material (PA66 CT1) for durability in industrial environments.
Compatibility
This SPD is designed specifically for 1-phase plus neutral (1Ph+N) 230V TNS electrical systems. It is suitable for integration into industrial and commercial distribution boards with DIN rail mounting. The device supports protection modes L-PE and N-PE, making it compatible with typical UK and European power installations requiring Type 1+2 surge protection.
Applications
- Industrial power distribution boards.
- Commercial building electrical systems.
- Lightning protection for sensitive equipment.
- Renewable energy installations requiring surge suppression.
- Critical infrastructure and control panels.
Technical Specifications
- Item number: 83120120
- Catalogue No: STPT12-12K275V-2P
- Description: Surge Protection Device Type 1+2, 12.5kA Iimp (10/350), 1Ph+N, 230/-V, 2+0 TNS, 2 Poles, Pluggable, 2 Modules
- EAN/UPC Code: 8435297851424
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230
- AC or DC: AC
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: L-PE / N-PE
- System Configuration: TNS
- Lightning Impulse Current (10/350) (LIMP): 12.5 kA
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace)
- Number of Poles: 2-Pole
- Torque Rating: 3 Nm
- Housing Material: PA66 CT1
- MOV Response Time: ≤25
- Installation Mounting: DIN rail
- Replacement Plug N-PE: 83120028
- Replacement Plug L-N: 83120028
- Product Width: 36 mm
- Product Length: 76 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.362 kg
- Sell Pack Width: 42 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.332 kg
Frequently Asked Questions
What is the maximum discharge current of this SPD?
The maximum discharge current (Imax) for the STPT12-12K275V-2P is 50 kA (8/20 μs waveform).
Can this device be installed on a DIN rail?
Yes, the device is designed for DIN rail mounting for easy integration into distribution boards.
Is there a visual indication to know if the SPD is functioning correctly?
Yes, the SPD features a green indicator when operational and a non-green indication signalling the need for replacement.
What system configuration is this SPD compatible with?
This SPD is compatible with TNS system configurations, protecting 1-phase plus neutral circuits.
Common Search Terms
Surge protection device, SPD Type 1+2, 12.5kA surge arrester, 230V SPD, pluggable surge protector, DIN rail SPD, lightning protection device, industrial surge protector, TNS system SPD, power line surge protection.
| Manufacturer Part Number | 83120120 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297851424 |
| Height | 76mm |
| Width | 36mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 2 Pole |
| Voltage | 230V |
| Maximum Continuous Voltage | 275V |
| Nominal Discharge Current | 20Ka |
| System Type | TNS |
| Alternative Product SKU | STPT12-12K275V-2P |
Write Your Own Review
Protection system of coordinated stages: Type 1, 2 and 3 SPDs
The SPDs of a surge protection system must be able to withstand the discharged current and provide a Ures level (residua l voltage) lower than the Ue peak voltage that the equipment can withstand. Most of the times it is not possible to achieve this with just one SPD, especially because the intensity of the surge is not known, and because of the induction of overvoltages when conductors exceed 10m.
The optimal system of protection is the 3-STEP approach, in which successive stages are combined in the performance of high discharge capacity devices and devices with an optimal voltage protection level (low). This is addressed by the definition of "Types" or "Classes" of SPDs according to the type of transient pulses to which each protected zone in the installation is subject to.
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