Do you need some help?

Call us now on: 01706 242050

K2-1P440 Mersen Surge Protector Type 2 SPD 1 Pole 400 Volt 20KA L-N

MPN: 44020110

Alt. SKU: K2-1P440

Special Price £34.69 £28.91 Regular Price £46.25

Need It Today?

Speak To Our Team

Speak to our experienced team to discuss options for getting your order to you today.

or

Call us now on: 01706 242050
  • Please ensure the items you would like are in stock
  • Please speak to our team before placing an order
  • Additional charges will apply
  • We cannot guarantee the availability of a courier

Found It Cheaper?

Please complete the form below or call us now on 01706 242050

This product replaces this item:

Free delivery on orders over £200

Why Choose the K2-1P440 SPD, T2, 1P, Uc 440Vac?

The K2-1P440 is a Type 2 single-pole surge protection device, engineered for reliable safeguarding of electrical installations against transient overvoltages in low-voltage networks. With a maximum continuous operating voltage (Uc) of 440Vac, it ensures robust protection for sensitive equipment in industrial and commercial environments.

Its compact design allows for straightforward DIN rail mounting and integration into existing systems, supporting rapid installation and maintenance. The K2-1P440 complies with international safety standards, offering peace of mind and enhanced operational continuity for mission-critical applications.

Product Code: 44020110

Key Benefits

  • High surge current capacity with 20 kA nominal discharge current and 50 kA maximum discharge current.
  • Compact and pluggable design for easy installation and replacement.
  • Clear indication system with green (OK) / not green (replace) status for maintenance convenience.
  • Suitable for multiple system configurations including TNS, TNC, and TT (L-N only).
  • Robust housing materials (PA6 CT1 & PA66 CT1) for durability in industrial environments.
  • Compliance with IEC and UL standards ensures reliable and safe operation.

Compatibility

The K2-1P440 SPD is compatible with low-voltage AC electrical systems operating at nominal voltages up to 400V. It is designed for use in TNS, TNC, and TT system configurations, specifically protecting the line-to-neutral (L-N) connection. The device supports DIN rail mounting, making it suitable for integration into standard industrial and commercial electrical distribution boards.

Applications

  • Industrial electrical installations requiring surge protection for sensitive equipment.
  • Commercial buildings and facilities with low-voltage power distribution systems.
  • Protection of control panels and automation systems against transient overvoltages.
  • Renewable energy installations where surge protection is critical for system longevity.
  • Infrastructure projects demanding compliance with international surge protection standards.

Technical Specifications

  • Item number: 44020110
  • Catalogue No: K2-1P440
  • Description: SPD, T2, 1P, Uc 440Vac
  • EAN/UPC Code: 8435297889748
  • RoHS Compliant: Yes
  • IEC SPD Type: Class II
  • UL SPD Type: Type 1 Component Assembly
  • Format: Pluggable
  • Nominal Operating Volt Rating (Un): 400
  • 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)
  • Short Circuit Withstand (ISCCR): 25 kA
  • Indication System: Yes
  • Indication System Type: Green (OK) / Not green (replace)
  • Number of Poles: 1-pole
  • Torque Rating: 3 Nm
  • Max. Back-Up Fuse: 315 A [gG]
  • Housing Material: PA6 CT1 & PA66 CT1
  • Installation Mounting: DIN rail
  • MCOV L-G: 440 V
  • MCOV L-N: 440 V
  • VPR L-G: 1500 V
  • VPR L-N: 1500 V
  • Replacement Plug L1: 44020005
  • Product Width: 18 mm
  • Product Length: 74.4 mm
  • Product Height: 90 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 0.105 kg
  • Sell Pack Width: 22 mm
  • Sell Pack Length: 97 mm
  • Sell Pack Height: 118 mm
  • Product group: Power Line SPDs
  • Product Weight: 0.096 kg

Frequently Asked Questions

What type of surge protection does the K2-1P440 provide?

The K2-1P440 is a Type 2 surge protection device designed to protect electrical installations from transient overvoltages, particularly in low-voltage AC networks.

Can this SPD be used in DC systems?

No, the K2-1P440 is designed specifically for AC systems with a nominal operating voltage of 400V.

How is the device installed?

The device is mounted on a DIN rail, allowing for easy integration into existing electrical panels.

Does the device provide any indication of its operational status?

Yes, it features an indication system with a green light indicating normal operation and a non-green status signalling the need for replacement.

What is the maximum back-up fuse rating for this SPD?

The maximum back-up fuse rating is 315 A (gG type).

Common Search Terms

SPD 440Vac, Type 2 surge protector, single pole surge protection device, DIN rail SPD, industrial surge protection, transient voltage suppressor, power line SPD, 20kA surge current, 44020110, K2-1P440

More Information
Manufacturer Part Number 44020110
Packed Quantity 1
Barcode 8435297889748
Height 74.4mm
Width 18mm
Depth 90mm
HS Code 85363090
Country of Manufacture Spain
Manufacturer Mersen
Number of Poles 1 Pole
Voltage 400V
Maximum Continuous Voltage 440V
Nominal Discharge Current 20Ka
Alternative Product SKU K2-1P440
Write Your Own Review
You're reviewing:K2-1P440 Mersen Surge Protector Type 2 SPD 1 Pole 400 Volt 20KA L-N