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K2-3P275 Mersen Surge Protector Type 2 SPD 3 Pole 400 Volt 20KA TNC

MPN: 44020300

Alt. SKU: K2-3P275

Special Price £93.47 £77.89 Regular Price £124.62

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Why Choose the K2-3P275 Type 2 Surge Protection Device?

The K2-3P275 is a robust Type 2 surge protection device designed for three-phase systems up to 275 V AC. Engineered for industrial and commercial installations, it provides reliable protection against transient overvoltages, ensuring equipment safety and reducing downtime.

This SPD features a compact design for easy integration, with high discharge capacity to safeguard sensitive components and critical systems. Choose the K2-3P275 for proven durability and dependable performance in demanding electrical environments.

Technical Specifications

  • Item number: 44020300
  • Catalogue No: K2-3P275
  • Description: SPD, T2, 3P, Uc 275Vac
  • EAN/UPC Code: 8435297889885
  • RoHS Compliant: Yes
  • IEC SPD Type: Class 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
  • 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: 1000 V
  • VPR L-L: 1800 V
  • Replacement Plug L1: 44020001
  • Product Width: 54 mm
  • Product Length: 74.4 mm
  • Product Height: 90 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 0.397 kg
  • Sell Pack Width: 59 mm
  • Sell Pack Length: 97 mm
  • Sell Pack Height: 118 mm
  • Product group: Power Line SPDs
  • Product Weight: 0.362 kg

Product Code: 44020300

Key Benefits

  • Reliable protection for three-phase systems up to 275 V AC
  • High nominal discharge current of 20 kA for effective surge suppression
  • Compact, pluggable design for easy installation and maintenance
  • Visual indication system to quickly identify operational status
  • Durable housing materials ensuring long service life in industrial environments
  • Compatible with standard DIN rail mounting for flexible integration

Compatibility

The K2-3P275 SPD is compatible with TNC system configurations and designed for use with three-phase electrical installations operating at nominal voltages of 230/400 V AC. It supports backup fuses up to 315 A [gG] and integrates seamlessly with industrial control panels and power distribution boards.

Applications

  • Industrial power distribution systems
  • Commercial building electrical installations
  • Protection of sensitive electronic equipment and control systems
  • Renewable energy systems such as solar and wind installations
  • Critical infrastructure requiring surge protection compliance

Frequently Asked Questions

What is the maximum continuous operating voltage of the K2-3P275?

The maximum continuous operating voltage (MCOV) is 275 V between line and earth, and 550 V between lines.

Can the K2-3P275 be used in single-phase systems?

This device is designed specifically for three-phase systems and is not suitable for single-phase applications.

How does the indication system work?

The SPD features a green indicator when operational; if the indicator is not green, the device should be replaced to ensure continued protection.

What is the mounting method for this surge protection device?

The K2-3P275 is designed for DIN rail mounting, allowing easy installation in standard electrical enclosures.

Common Search Terms

Type 2 SPD, three-phase surge protector, 275 V surge protection device, industrial surge protection, DIN rail SPD, K2-3P275, power line SPD, transient voltage suppressor, pluggable surge protector

More Information
Manufacturer Part Number 44020300
Packed Quantity 1
Barcode 8435297889885
Height 74.4mm
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 20Ka
Alternative Product SKU K2-3P275
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