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Mersen Surge Protector Type 1+2 SPD 2 Pole 230 Volt 20KA TT Remote Indication
MPN: 83120115
Alt. SKU: STPT12-12K275V-2PGM
This product is discontinued. Please view this replacement item.
Why Choose the STPT12-12K275V-2PGM Surge Protection Device?
The STPT12-12K275V-2PGM Type 1+2 SPD provides robust protection against transient overvoltages caused by direct lightning strikes and switching events, ensuring reliable safeguarding of single-phase TT systems at 230V. With an impressive 12.5kA Iimp (10/350) discharge capability per pole, this pluggable device delivers essential defence for critical industrial and commercial installations.
Designed as a compact 2-module solution, it features intuitive remote indication for efficient monitoring and rapid maintenance response. The 2-pole configuration and quality engineering make it ideal for demanding applications requiring high performance, minimal downtime, and compliance with latest safety standards.
Technical Specifications
- Item number: 83120115
- Catalogue No: STPT12-12K275V-2PGM
- Description: Surge Protection Device Type 1+2, 12.5kA Iimp (10/350), 1Ph+N, 230/-V, 1+1 TT, 2 Poles, Pluggable, 2 Modules, Remote indication
- EAN/UPC Code: 8435297849124
- 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-N / N-PE
- System Configuration: TT, TNS
- Lightning Impulse Current (10/350) (LIMP): 12.5 kA
- Following Current (Ifi): 100 A
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace) Microswitch
- Number of Poles: 2-Pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 200 A [gG]
- Housing Material: PA66 CT1
- Installation Mounting: DIN rail
- Uc (L-N): 275 V
- Uc (N-PE): 255 V
- Up at In (N-PE): ≤1,5 kV
- Up at In (L-N): ≤1,3 kV
- Replacement Plug N-PE: 83120006
- Replacement Plug L-N: 83120002
- Product Width: 36 mm
- Product Length: 76 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.305 kg
- Sell Pack Width: 42 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.275 kg
Product Code: STPT12-12K275V-2PGM
Key Benefits
- High discharge capacity of 12.5kA (10/350 µs) per pole for superior surge protection.
- Compact 2-module design suitable for DIN rail mounting, saving installation space.
- Remote indication system with green/red microswitch for easy status monitoring and maintenance.
- Compatible with single-phase TT and TNS systems at 230V, ensuring versatile application.
- Robust construction with PA66 CT1 housing for durability in industrial environments.
- Complies with IEC Class I+II standards for reliable surge protection performance.
Compatibility
This SPD is designed for use in single-phase TT and TNS electrical systems operating at 230V AC. It is compatible with systems requiring Type 1+2 surge protection and supports installation on standard DIN rails. Suitable for integration with backup fuses up to 200 A [gG].
Applications
- Industrial facilities requiring protection from lightning and switching surges.
- Commercial buildings with single-phase TT or TNS power supply configurations.
- Critical infrastructure installations where reliable surge protection is essential.
- Electrical distribution boards in manufacturing plants and processing units.
- Renewable energy systems and other sensitive electrical equipment protection.
Frequently Asked Questions
What is the maximum discharge current of the STPT12-12K275V-2PGM?
The maximum discharge current (Imax) for this device is 50 kA (8/20 µs waveform).
Does this SPD provide remote indication?
Yes, it features a green (OK) / not green (replace) microswitch for remote status indication.
Can this device be used in TNS systems?
Yes, it is compatible with both TT and TNS system configurations.
What is the nominal operating voltage for this SPD?
The nominal operating voltage (Un) is 230 V AC.
What type of mounting does this SPD require?
The device is designed for DIN rail mounting, making installation straightforward.
Common Search Terms
Surge protection device, SPD Type 1+2, 12.5kA surge protector, 230V SPD, pluggable surge protector, DIN rail SPD, TT system surge protection, TNS system SPD, industrial surge protection, remote indication SPD.
| Manufacturer Part Number | 83120115 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297849124 |
| 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 |
| Remote Indication | Yes |
| System Type | TT |
| Alternative Product SKU | STPT12-12K275V-2PGM |
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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