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K1-3P320 Mersen Surge Protector Type 1+2 SPD 3 Pole 480 Volt 20KA TNC
MPN: 44120304
Alt. SKU: K1-3P320
Special Price
£240.86
£200.72
Regular Price
£321.14
This product replaces this item:
Why Choose the SPD, T1+2, 3+0, Uc 320Vac K1-3P320?
The SPD, T1+2, 3+0, Uc 320Vac K1-3P320 is engineered for robust surge protection in three-phase power distribution systems, combining Type 1 and Type 2 capabilities for comprehensive defence against both direct lightning strikes and switching transients.
Designed for continuous operation at 320V AC, this surge protection device offers reliable performance and quick installation, making it ideal for safeguarding sensitive equipment in industrial and commercial environments.
Product Code: 44120304
Key Benefits
- Comprehensive surge protection with combined Type 1 and Type 2 classification.
- High nominal discharge current of 20 kA ensures effective handling of surges.
- Pluggable format allows for easy installation and maintenance.
- Clear indication system with green (OK) / not green (replace) status for quick diagnostics.
- Robust housing materials (PA6 CT1 & PA66 CT1) for durability in industrial settings.
- Compact dimensions (54 mm width) save panel space.
Compatibility
This SPD is compatible with three-phase power systems configured as TNC, operating at nominal voltages of 277/480 V AC. It is suitable for use with systems requiring a maximum back-up fuse of 315 A [gG] and supports DIN rail mounting for seamless integration into existing electrical panels.
Applications
- Industrial power distribution boards
- Commercial building electrical systems
- Data centres requiring surge protection
- Manufacturing plants with sensitive electronic equipment
- Renewable energy installations with three-phase supply
Technical Specifications
- Item number: 44120304
- Catalogue No: K1-3P320
- Description: SPD, T1+2, 3+0, Uc 320Vac
- EAN/UPC Code: 8435297888161
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277/480
- AC or DC: AC
- Nominal Discharge Current (In) (8/20): 20 kA
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: L-PE(N)
- System Configuration: TNC
- 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: 3-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: 320 V
- MCOV L-L: 640 V
- VPR L-G: 1200 V
- VPR L-L: 2000 V
- Replacement Plug L1: 44120003
- Product Width: 54 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.51 kg
- Sell Pack Width: 59 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.48 kg
Frequently Asked Questions
What type of surge protection does this device provide?
This device provides combined Type 1 and Type 2 surge protection, suitable for defence against direct lightning strikes and switching surges.
Can this SPD be installed on a DIN rail?
Yes, the SPD is designed for DIN rail mounting for easy installation in electrical panels.
What indication system does this SPD use?
It features a green (OK) / not green (replace) indication system for quick status checks.
Is this SPD suitable for three-phase systems?
Yes, it is designed for three-phase TNC systems with nominal voltages of 277/480 V AC.
Common Search Terms
surge protection device, SPD 3-phase, Type 1+2 SPD, 320V surge protector, pluggable SPD, DIN rail SPD, industrial surge protection, lightning surge arrester, power line SPD
| Manufacturer Part Number | 44120304 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 480V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Alternative Product SKU | K1-3P320 |
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