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Mersen Surge Protector Type 2+3 SPD 3 Pole 400 Volt 10KA TNC
MPN: 83230120
Alt. SKU: STPT23-20K275V-3P-LF
Special Price
£86.84
£72.37
Regular Price
£117.50
Why Choose the STPT23-20K275V-3P-LF Surge Protection Device?
The Type 2+3 STPT23-20K275V-3P-LF surge protection device offers robust shielding for 3-phase, -/400V TNC power systems, with a maximum discharge current of 20kA (8/20 µs). This pluggable, 3-pole solution fits securely in a 3-module footprint, making it ideal for rapid installation and straightforward maintenance.
Engineered to be leakage current free, it ensures zero nuisance tripping and high reliability even in sensitive environments. Select this SPD for effective transient overvoltage protection without compromising system integrity or continuity.
Technical Specifications
- Item number: 83230120
- Catalogue No: STPT23-20K275V-3P-LF
- Description: Surge Protection Device Type 2+3, 20kA Imax (8/20), 3Ph, -/400V, Leakage current free, 3+0 TNC, 3 Poles, Pluggable, 3 Modules
- EAN/UPC Code: 8435297851196
- RoHS Compliant: Yes
- IEC SPD Type: Class II + III
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230/400
- AC or DC: AC
- Max Discharge Current : Imax (8/20): 20 kA
- Protection Modes: L-PE(N)
- System Configuration: TNC
- Combined Discharge Voltage (1,2/50) (Uoc): 10 kV
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace)
- Number of Poles: 3-Pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 63 A [gG]
- Housing Material: PA66 CT1
- MOV Response Time: ≤100 ns
- Installation Mounting: DIN rail
- Replacement Plug L1: 83230003
- Product Width: 54 mm
- Product Length: 70 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.302 kg
- Sell Pack Width: 63 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.273 kg
Product Code: STPT23-20K275V-3P-LF
Key Benefits
- High surge current capacity of 20kA ensures robust protection against transient overvoltages.
- Leakage current free design prevents nuisance tripping and enhances system reliability.
- Compact 3-module pluggable format allows for quick installation and easy maintenance.
- Visual indication system for easy status monitoring and timely replacement.
- Suitable for 3-phase TNC systems with -/400V nominal voltage rating.
Compatibility
This surge protection device is compatible with 3-phase, -/400V TNC power systems and can be mounted on standard DIN rails. It supports systems requiring Class II + III IEC SPD types and is designed to work with backup fuses up to 63 A [gG].
Applications
- Industrial power distribution boards
- Commercial and residential electrical installations
- Protection of sensitive electronic equipment in 3-phase systems
- Renewable energy installations requiring surge protection
- Infrastructure and utility power systems
Frequently Asked Questions
What does "leakage current free" mean for this SPD?
Leakage current free means the device does not allow any continuous current to flow through it during normal operation, preventing nuisance tripping and ensuring high reliability in sensitive environments.
Can this device be used in DC systems?
No, this SPD is designed specifically for AC systems with a nominal voltage rating of 230/400V and is not suitable for DC applications.
How do I know when to replace the SPD?
The device features a visual indication system: green means the SPD is functioning correctly, and if the indicator is not green, the device should be replaced.
What is the maximum backup fuse rating for this SPD?
The maximum backup fuse rating is 63 A [gG], which protects the SPD from short circuit currents beyond its withstand capability.
Common Search Terms
surge protection device, SPD, Type 2+3 SPD, 3-phase surge protector, leakage current free SPD, pluggable surge protector, 20kA surge current, DIN rail SPD, TNC system surge protection
| Manufacturer Part Number | 83230120 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297851196 |
| Height | 70mm |
| Width | 54mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 400V |
| Maximum Continuous Voltage | 275V |
| Nominal Discharge Current | 10Ka |
| System Type | TNC |
| Alternative Product SKU | STPT23-20K275V-3P-LF |
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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