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K1-2PG320 Mersen Surge Protector Type 1+2 SPD 2 Pole 277 Volt 20KA TT
MPN: 44120208
Alt. SKU: K1-2PG320
Special Price
£148.30
£123.58
Regular Price
£197.72
This product replaces this item:
Why Choose the SPD T1+2, 1+1, Uc 320Vac K1-2PG320?
The SPD T1+2, 1+1, Uc 320Vac K1-2PG320 is engineered for robust protection of low-voltage power supply systems against transient overvoltages caused by direct and indirect lightning strikes. Its Type 1+2 classification ensures efficient performance for both primary and secondary surge protection needs.
Designed with a nominal voltage rating of 320Vac, this device features a compact 1+1 pole configuration and is compliant with key international safety standards. Quick installation and reliable operation make it ideal for demanding industrial and commercial environments.
Technical Specifications
- Item number: 44120208
- Catalogue No: K1-2PG320
- Description: SPD, T1+2, 1+1, Uc 320Vac
- EAN/UPC Code: 8435297888086
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277
- AC or DC: AC
- Nominal Discharge Current (In) (8/20): 20 kA
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: L-N / N-PE
- System Configuration: TT, TNS
- Lightning Impulse Current (10/350) (LIMP): 12.5 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: 2-Pole
- Torque Rating: 3 Nm
- Max. Back-Up Fuse: 315 A [gG]
- Housing Material: PA6 CT1 & PA66 CT1
- Installation Mounting: DIN rail
- Uc (L-N): 320 V
- Uc (N-PE): 255 V
- Up at In (N-PE): ≤1,5 kV
- Up at In (L-N): ≤1,5 kV
- Up at In (L-PE): ≤1,8 kV
- MCOV L-G: 320 V
- MCOV N-G: 305 V
- MCOV L-N: 320 V
- VPR L-G: 1500 V
- VPR N-G: 1000 V
- VPR L-N: 1200 V
- Replacement Plug N-PE: 44120000
- Replacement Plug L-N: 44120003
- Product Width: 36 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.375 kg
- Sell Pack Width: 38 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.345 kg
Product Code: 44120208
Key Benefits
- Comprehensive surge protection with Type 1+2 classification for enhanced safety.
- Compact 1+1 pole pluggable format for easy installation and maintenance.
- High nominal discharge current capacity of 20 kA ensures reliable performance during surges.
- Clear visual indication system to monitor device status effectively.
- Suitable for TT and TNS system configurations, providing versatile application options.
- Robust housing materials (PA6 CT1 & PA66 CT1) ensure durability in industrial environments.
Compatibility
This SPD is compatible with low-voltage AC power supply systems operating at nominal voltages up to 320Vac. It is designed for use in TT and TNS earthing systems and fits standard DIN rail mounting configurations. The device supports protection modes L-N and N-PE, making it suitable for a wide range of industrial and commercial electrical installations.
Applications
- Industrial power distribution panels
- Commercial building electrical systems
- Renewable energy installations requiring surge protection
- Data centres and critical infrastructure protection
- Telecommunications and control systems
Frequently Asked Questions
What does the Type 1+2 classification mean?
Type 1+2 classification indicates the SPD provides both primary (Type 1) and secondary (Type 2) surge protection, suitable for direct lightning strikes and switching surges.
Can this SPD be used in DC systems?
No, this SPD is designed specifically for AC systems as indicated by its AC or DC rating.
How do I know when the SPD needs replacing?
The device features a green indication system; if the indicator is not green, the SPD should be replaced.
What is the maximum back-up fuse rating for this SPD?
The maximum back-up fuse rating is 315 A [gG].
Common Search Terms
surge protection device, SPD Type 1+2, pluggable surge protector, 320Vac SPD, industrial surge protection, DIN rail SPD, lightning protection device, power line SPD, K1-2PG320, transient voltage suppressor
| Manufacturer Part Number | 44120208 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 2 Pole |
| Voltage | 277V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Alternative Product SKU | K1-2PG320 |
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