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Mersen Surge Protector Type 1+2 SPD 2 Pole 230/400 Volt 20KA IT/TNS
MPN: 83120124
Alt. SKU: STPT12-12K440V-2P
Special Price
£151.66
£126.38
Regular Price
£202.21
Why Choose the Surge Protection Device Type 1+2 STPT12-12K440V-2P?
Engineered for robust protection against lightning and transient overvoltages, this Type 1+2 surge protection device delivers a high Iimp rating of 12.5kA (10/350 μs), ensuring reliable safeguarding of single-phase systems (1Ph+N) at 230/400V in both IT and TNS earthing arrangements. Its 2-pole, pluggable design allows for straightforward installation and maintenance, significantly reducing downtime.
Compact at only 2 modules wide, the STPT12-12K440V-2P is ideal for modern distribution boards where space is at a premium. Trust this device for continuous asset protection and system integrity in demanding industrial and commercial environments.
Product Code: 83120124
Key Benefits
- High lightning impulse current rating of 12.5kA (10/350 μs) for superior surge protection
- Compact 2-module width design saves space in distribution boards
- Pluggable 2-pole format enables easy installation and replacement
- Suitable for single-phase systems with IT and TNS earthing configurations
- Visual green indication system for quick status monitoring
- Robust housing material (PA66 CT1) ensures durability in industrial environments
Compatibility
This surge protection device is compatible with single-phase electrical systems operating at 230/400V AC, particularly in IT and TNS earthing arrangements. It fits standard DIN rail mounting systems and is designed to work seamlessly with backup fuses up to 200 A [gG]. Replacement plugs for both N-PE and L-N are available under part number 83120004.
Applications
- Industrial and commercial electrical distribution boards
- Lightning protection systems for single-phase installations
- Surge protection in IT and TNS earthing configured networks
- Equipment and asset protection in manufacturing plants
- Electrical installations requiring compact, high-performance SPDs
Technical Specifications
- Item number: 83120124
- Catalogue No: STPT12-12K440V-2P
- Description: Surge Protection Device Type 1+2, 12.5kA Iimp (10/350), 1Ph+N, 230/-; 400/-V, 2+0 IT; TNS, 2 Poles, Pluggable, 2 Modules
- EAN/UPC Code: 8435297851394
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 400
- 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
- Max. Back-Up Fuse: 200 A [gG]
- Housing Material: PA66 CT1
- MOV Response Time: ≤25
- Installation Mounting: DIN rail
- Replacement Plug N-PE: 83120004
- Replacement Plug L-N: 83120004
- Product Width: 36 mm
- Product Length: 76 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.345 kg
- Sell Pack Width: 41 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.345 kg
Frequently Asked Questions
What is the maximum surge current this device can handle?
The STPT12-12K440V-2P can handle a maximum discharge current (Imax) of 50 kA (8/20 μs) and a lightning impulse current (Iimp) of 12.5 kA (10/350 μs).
Can this device be used in both IT and TNS earthing systems?
Yes, this surge protection device is suitable for use in both IT and TNS earthing configurations.
Is the device easy to install and maintain?
Yes, the pluggable 2-pole design allows for straightforward installation and quick replacement, reducing maintenance downtime.
Does the device provide any indication of its operational status?
Yes, it features a green indication system that shows when the device is functioning properly. If the indicator is not green, the device should be replaced.
Common Search Terms
surge protection device, SPD Type 1+2, lightning protection, 12.5kA surge protector, pluggable SPD, 2 pole surge protector, DIN rail SPD, 230V surge protection, industrial surge protector, TNS earthing SPD
| Manufacturer Part Number | 83120124 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297851394 |
| Height | 76mm |
| Width | 72mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 2 Pole |
| Voltage | 230/400V |
| Maximum Continuous Voltage | 440V |
| Nominal Discharge Current | 20Ka |
| System Type | IT/TNS |
| Alternative Product SKU | STPT12-12K440V-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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