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Mersen Surge Protector Type 1+2 SPD 1 Pole Neutral 25KA N-PE
MPN: 83120108
Alt. SKU: STPT12-25K-N
Special Price
£71.70
£59.75
Regular Price
£95.59
Why Choose the Surge Protection Device Type 1+2, 25kA Iimp (10/350), N, Neutral, 1 Pole, Pluggable, 1 Module STPT12-25K-N?
The STPT12-25K-N offers robust protection for electrical installations against transient overvoltages, combining Type 1+2 surge protection in a compact, pluggable single-pole module. Designed specifically for neutral conductors, it safely diverts surges caused by lightning strikes or switching events, ensuring system reliability.
With a discharge current rating of 25kA (Iimp 10/350), this device delivers reliable performance for demanding industrial and commercial environments. The modular design allows for quick replacement and easy maintenance, reducing downtime and enhancing installation flexibility.
Technical Specifications
- Item number: 83120108
- Catalogue No: STPT12-25K-N
- Description: Surge Protection Device Type 1+2, 25kA Iimp (10/350), N, Neutral, 1 Pole, Pluggable, 1 Module
- EAN/UPC Code: 8435297849100
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- Format: Pluggable
- AC or DC: AC
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: N-PE
- System Configuration: TT, TNS
- Lightning Impulse Current (10/350) (LIMP): 25 kA
- Following Current (Ifi): 100 A
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace)
- Number of Poles: 1-pole
- Torque Rating: 3 Nm
- Housing Material: PA66 CT1
- MOV Response Time: ≤100 ns
- Installation Mounting: DIN rail
- Replacement Plug N-PE: 83120005
- Product Width: 18 mm
- Product Length: 76 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.129 kg
- Sell Pack Width: 24 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.109 kg
Product Code: 83120108
Key Benefits
- High surge current capacity with 25kA lightning impulse current (10/350 µs) rating
- Combined Type 1+2 protection for comprehensive surge defence
- Pluggable modular design enables quick and easy replacement
- Visual indication system for easy status monitoring (green = OK)
- Compact 1-pole format suitable for neutral conductor protection
- Robust DIN rail mounting for secure installation
- Suitable for TT and TNS system configurations
Compatibility
This surge protection device is compatible with AC electrical systems configured as TT or TNS and designed specifically for neutral to protective earth (N-PE) protection. It is suitable for use in industrial and commercial power distribution boards equipped with standard DIN rail mounting.
Applications
- Protection of electrical installations in industrial facilities
- Commercial building power distribution surge protection
- Lightning and switching surge mitigation in power systems
- Replacement plug for existing surge protection devices
- Use in systems requiring Type 1+2 SPD compliance
Frequently Asked Questions
What does Type 1+2 surge protection mean?
Type 1+2 surge protection devices combine the capabilities of Type 1 (lightning current) and Type 2 (switching surge) SPDs, providing comprehensive protection against transient overvoltages caused by lightning strikes and switching operations.
Can this device be used on single-phase and three-phase systems?
This particular model is designed for single-pole neutral conductor protection. For three-phase systems, appropriate multi-pole SPDs should be used.
How do I know when to replace the SPD?
The device features a visual indication system: a green indicator means the SPD is functioning correctly, while any other colour indicates it should be replaced.
Is this SPD suitable for outdoor installations?
This SPD is intended for installation within electrical distribution boards and enclosures. For outdoor applications, ensure the device is housed within a suitable weatherproof enclosure.
Common Search Terms
surge protection device, SPD Type 1+2, 25kA surge protector, neutral conductor SPD, pluggable surge protector, DIN rail SPD, lightning surge protection, industrial surge protection, STPT12-25K-N
| Manufacturer Part Number | 83120108 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297849100 |
| Height | 76mm |
| Width | 18mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 1 pole |
| Voltage | Neutral to Earth |
| Maximum Continuous Voltage | 255V |
| Nominal Discharge Current | 25Ka |
| System Type | N-PE |
| Alternative Product SKU | STPT12-25K-N |
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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