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

Why Choose the IR K2-3P275-M SPD?

The IR K2-3P275-M is a robust Type 2 surge protective device designed for three-phase systems, rated for continuous operating voltages up to 275 Vac. It ensures reliable protection of industrial electrical installations against transient overvoltages, minimising equipment downtime and safeguarding sensitive systems.

This SPD delivers fast response and high discharge capacity, making it ideal for distribution boards and main panels in commercial and industrial environments. Engineered for ease of installation and maintenance, it offers dependable performance in demanding operational conditions.

Product Code: 44020301

Key Benefits

• High discharge capacity with 20 kA nominal and 50 kA maximum discharge currents for effective surge protection.
• Fast MOV response time (≤25 ns) ensures rapid suppression of transient overvoltages.
• Pluggable format allows for easy installation and replacement without system downtime.
• Visual and microswitch indication system provides clear status monitoring and maintenance alerts.
• Suitable for three-phase TNC systems with comprehensive protection modes (L-PE(N)).
• Robust housing materials (PA6 CT1 & PA66 CT1) ensure durability in industrial environments.

Compatibility

The IR K2-3P275-M SPD is compatible with three-phase TNC electrical systems operating at nominal voltages of 230/400 V AC. It is designed for DIN rail mounting and supports up to 315 A back-up fuse ratings, making it suitable for integration in a wide range of commercial and industrial distribution boards and main panels.

Applications

• Surge protection in industrial electrical installations.
• Commercial building distribution boards and main panels.
• Protection of sensitive electronic equipment against transient overvoltages.
• Use in three-phase power systems requiring Type 2 surge protection.
• Installation in environments demanding reliable and maintainable surge protective devices.

Technical Specifications

• Item number: 44020301
• Catalogue No: K2-3P275-M
• Description: SPD, T2, 3P, Uc 275Vac, IR
• EAN/UPC Code: 8435297889694
• 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) Microswitch
• 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

Common Search Terms

Type 2 SPD, three-phase surge protector, 275 Vac surge protection, pluggable SPD, industrial surge protective device, DIN rail SPD, 20 kA surge current SPD, IR K2-3P275-M, power line surge protection, transient voltage suppressor.