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K1-1P275 Mersen Surge Protector Type 1+2 SPD 1 Pole 230 Volt 20KA L-N
MPN: 44120102
Alt. SKU: K1-1P275
Special Price
£76.63
£63.86
Regular Price
£102.18
This product replaces this item:
Why Choose the SPD, T1+2, 1+0, Uc 275Vac K1-1P275?
The SPD, T1+2, 1+0, Uc 275Vac K1-1P275 provides robust protection against transient overvoltages in single-phase AC systems, combining Type 1 and Type 2 performance in a compact, DIN-rail mountable design. Engineered for high reliability, it ensures compliance with IEC 61643-11 and is ideal for safeguarding sensitive equipment from direct and indirect lightning strikes.
This surge protection device features a single-pole configuration with a continuous operating voltage of 275Vac, offering swift response and low let-through voltage. Its maintenance-free construction and clear status indication facilitate seamless integration into industrial and commercial installations.
Technical Specifications
- Item number: 44120102
- Catalogue No: K1-1P275
- Description: SPD, T1+2, 1+0, Uc 275Vac
- EAN/UPC Code: 8435297888017
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230
- AC or DC: AC
- Nominal Discharge Current (In) (8/20): 20 kA
- Max Discharge Current : Imax (8/20): 50 kA
- System Configuration: TNS, TNC, TT (only L-N)
- 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) Microswitch
- Number of Poles: 1-pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 315 A [gG]
- Housing Material: PA6 CT1 & PA66 CT1
- MOV Response Time: ≤25
- Installation Mounting: DIN rail
- MCOV L-G: 275 V
- MCOV L-N: 275 V
- VPR L-G: 1200 V
- VPR L-N: 1200 V
- Replacement Plug L1: 44120001
- Product Width: 18 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.198 kg
- Sell Pack Width: 22 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.184 kg
Product Code: 44120102
Key Benefits
- Combined Type 1 and Type 2 surge protection for comprehensive system defence
- Compact, DIN-rail mountable design for easy installation in electrical panels
- High nominal discharge current (20 kA) and maximum discharge current (50 kA) for robust protection
- Clear green/red microswitch indication for quick status monitoring and maintenance
- Compliance with IEC 61643-11 ensures international safety and performance standards
- Maintenance-free operation reduces downtime and service costs
Compatibility
This SPD is compatible with single-phase AC systems configured as TNS, TNC, and TT (only L-N). It is suitable for integration with electrical installations requiring protection at 230 V nominal operating voltage and supports backup fuses up to 315 A [gG]. The pluggable format allows for easy replacement and upgrades within existing setups.
Applications
- Industrial and commercial electrical distribution boards
- Protection of sensitive electronic equipment from transient overvoltages
- Lightning protection systems in buildings and infrastructure
- Renewable energy installations requiring surge protection
- Data centres and telecommunications facilities
Frequently Asked Questions
What types of surges does this SPD protect against?
This device protects against both direct and indirect lightning strikes as well as switching surges, combining Type 1 and Type 2 surge protection capabilities.
Can this SPD be used in three-phase systems?
No, this specific model is designed for single-phase AC systems only, configured for TNS, TNC, and TT (L-N) systems.
How is the device status indicated?
The SPD features a green/red microswitch indication system; green means the device is operational, while a non-green indication signals replacement is required.
Is the SPD maintenance-free?
Yes, the SPD is designed for maintenance-free operation, simplifying long-term use and reliability.
Common Search Terms
surge protection device, SPD 275Vac, Type 1+2 SPD, single-pole surge protector, DIN rail SPD, lightning protection, transient overvoltage protection, IEC 61643-11 compliant SPD, industrial surge protector
| Manufacturer Part Number | 44120102 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 1 Pole |
| Voltage | 230V |
| Maximum Continuous Voltage | 275V |
| Nominal Discharge Current | 20Ka |
| Alternative Product SKU | K1-1P275 |
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