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Mersen Surge Protector Type 2+3 SPD 2 Pole 230 Volt 10KA TT
MPN: 83230110
Alt. SKU: STPT23-20K275V-2PG-LF
Why Choose the STPT23-20K275V-2PG-LF Surge Protection Device?
The Type 2+3 STPT23-20K275V-2PG-LF offers robust surge protection for single-phase (1Ph+N), 230 V electrical systems, with a maximum discharge current (Imax 8/20 μs) of 20kA. Its 1+1 TT configuration and 2-pole pluggable design ensure straightforward installation and reliable safeguarding of sensitive equipment.
Engineered to be leakage current free for enhanced safety, this compact 2-module unit is ideal for critical industrial or commercial applications where downtime prevention and compliance with modern safety standards are paramount.
Technical Specifications
- Item number: 83230110
- Catalogue No: STPT23-20K275V-2PG-LF
- Description: Surge Protection Device Type 2+3, 20kA Imax (8/20), 1Ph+N, 230/-V, Leakage current free, 1+1 TT, 2 Poles, Pluggable, 2 Modules
- EAN/UPC Code: 8435297851189
- RoHS Compliant: Yes
- IEC SPD Type: Class II + III
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230
- AC or DC: AC
- Max Discharge Current : Imax (8/20): 20 kA
- Protection Modes: L-N / N-PE
- System Configuration: TT, TNS
- Combined Discharge Voltage (1,2/50) (Uoc): 10 kV
- 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: 2-Pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 63 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): ≤1,5 kV
- Replacement Plug N-PE: 83230000
- Replacement Plug L-N: 83230003
- Product Width: 36 mm
- Product Length: 70 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.214 kg
- Sell Pack Width: 42 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.184 kg
Product Code: 83230110
Key Benefits
- High surge current capacity of 20kA ensures effective protection against powerful transient surges.
- Leakage current free design enhances safety and reduces risk of unwanted tripping.
- Compact 2-module size allows for space-saving installation on DIN rail.
- Clear green/red indication system for easy status monitoring and maintenance.
- Pluggable 2-pole format simplifies replacement and reduces downtime.
- Compatible with TT and TNS system configurations for versatile application.
Compatibility
This surge protection device is compatible with single-phase 230 V AC electrical systems configured as TT or TNS networks. It supports protection modes L-N and N-PE and is designed for use with backup fuses up to 63 A [gG]. Replacement plugs are available for both N-PE (83230000) and L-N (83230003) connections.
Applications
- Industrial control panels and machinery protection
- Commercial building electrical distribution boards
- Critical infrastructure requiring reliable surge protection
- Renewable energy systems with single-phase configurations
- Data centres and IT equipment protection
Frequently Asked Questions
What does leakage current free mean?
Leakage current free means the device does not allow any continuous current to flow through it during normal operation, enhancing safety and preventing nuisance tripping.
Can this SPD be used in three-phase systems?
This model is designed specifically for single-phase (1Ph+N) systems and is not suitable for three-phase applications.
How do I know when the device needs replacing?
The device features an indication system that shows green when operational and changes colour when replacement is necessary.
Is this SPD compliant with RoHS standards?
Yes, the STPT23-20K275V-2PG-LF is fully RoHS compliant.
Common Search Terms
surge protection device, SPD 230V, Type 2+3 surge protector, leakage current free SPD, pluggable surge protector, DIN rail SPD, 20kA surge protector, single-phase surge protection, industrial surge protection device
| Manufacturer Part Number | 83230110 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297851189 |
| Height | 70mm |
| 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 | 10Ka |
| System Type | TT |
| Alternative Product SKU | STPT23-20K275V-2PG-LF |

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.

