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K1-3P275 Mersen Surge Protector Type 1+2 SPD 3 Pole 400 Volt 20KA TNC
MPN: 44120300
Alt. SKU: K1-3P275
Special Price
£223.02
£185.85
Regular Price
£297.36
This product replaces this item:
Why Choose the SPD, T1+2, 3+0, Uc 275Vac K1-3P275?
The SPD, T1+2, 3+0, Uc 275Vac K1-3P275 offers robust Type 1+2 surge protection for three-phase power systems, ensuring critical equipment is safeguarded against transient overvoltages. Engineered for reliability, it is ideal for industrial and commercial installations requiring high-performance defence against lightning and switching surges.
Featuring a maximum continuous operating voltage of 275Vac, this unit supports rapid installation with a compact DIN-rail design and clear status indication for ease of maintenance. Choose this SPD to enhance system resilience and prolong equipment lifespan in demanding environments.
Product Code: 44120300
Key Benefits
- Provides comprehensive Type 1+2 surge protection for three-phase systems.
- Compact, pluggable DIN-rail design allows for easy installation and maintenance.
- Clear green/red indication system for quick status checks and replacement alerts.
- High nominal discharge current (20 kA) and maximum discharge current (50 kA) for superior surge handling.
- Robust housing materials (PA6 CT1 & PA66 CT1) ensure durability in industrial environments.
- Compatible with TNC system configurations and supports multiple protection modes (L-PE(N)).
Compatibility
This SPD is compatible with three-phase power systems operating at 230/400 V AC nominal voltage in TNC configurations. It is designed to work with backup fuses up to 315 A [gG] and can be integrated seamlessly into industrial and commercial electrical installations requiring Type 1+2 surge protection.
Applications
- Industrial electrical distribution boards
- Commercial power supply systems
- Protection of critical machinery and equipment against transient surges
- Lightning and switching surge defence in three-phase networks
- Renewable energy installations requiring surge protection
Technical Specifications
- Item number: 44120300
- Catalogue No: K1-3P275
- Description: SPD, T1+2, 3+0, Uc 275Vac
- EAN/UPC Code: 8435297887997
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 230/400
- 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: 275 V
- MCOV L-L: 550 V
- VPR L-G: 1200 V
- VPR L-L: 2000 V
- Replacement Plug L1: 44120001
- Product Width: 54 mm
- Product Length: 90.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.526 kg
- Sell Pack Width: 59 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.489 kg
Frequently Asked Questions
What type of surge protection does this SPD provide?
This SPD provides Type 1+2 surge protection, suitable for defending against both lightning and switching surges in three-phase power systems.
Can this SPD be installed on a DIN rail?
Yes, the SPD features a compact pluggable design specifically for DIN rail mounting, facilitating quick and secure installation.
What indication system does the SPD use?
It uses a green (OK) / not green (replace) indication system to easily monitor the device’s operational status.
Is this SPD compliant with RoHS standards?
Yes, the SPD is RoHS compliant, ensuring it meets environmental and safety regulations.
What is the maximum backup fuse rating for this SPD?
The SPD supports a maximum backup fuse rating of 315 A [gG].
Common Search Terms
SPD 3-phase surge protector, Type 1+2 surge arrester, DIN rail surge protection device, 275Vac surge protector, industrial surge protection, three-pole SPD, pluggable surge protector, lightning surge arrester, power line SPD, TNC system surge protector
| Manufacturer Part Number | 44120300 |
|---|---|
| Packed Quantity | 1 |
| Manufacturer | Mersen |
| Number of Poles | 3 Pole |
| Voltage | 400V |
| Maximum Continuous Voltage | 275V |
| Nominal Discharge Current | 20Ka |
| Alternative Product SKU | K1-3P275 |
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