K2-2PG320-M Mersen Surge Protector Type 2 SPD 2 Pole 277 Volt 20KA TT Remote Indication

Why Choose the IR K2-2PG320-M SPD?

The IR K2-2PG320-M is a robust Type 2 surge protection device engineered for reliable defence of low-voltage electrical installations. Designed for systems up to 320V AC, it delivers rapid response and dependable performance against transient overvoltages caused by lightning or switching events.

Featuring a 2-pole (2PG) configuration, this SPD ensures straightforward integration within commercial and industrial environments. Its compact construction and proven components guarantee long-term protection, minimising downtime and maintenance costs.

Product Code: 44020209

Key Benefits

• Reliable protection against transient overvoltages up to 320V AC
• Compact 2-pole design for easy installation on DIN rail
• High nominal discharge current rating of 20 kA (8/20 µs)
• Visual and microswitch indication system for status monitoring
• Compatible with TT and TNS system configurations
• Robust housing materials (PA6 CT1 & PA66 CT1) ensure durability
• Pluggable format allows straightforward maintenance and replacement

Compatibility

The IR K2-2PG320-M SPD is compatible with low-voltage AC electrical systems up to 320V, suitable for TT and TNS configurations. It supports protection modes L-N and N-PE, making it ideal for commercial and industrial installations requiring Type 2 surge protection compliant with IEC Class II and UL Type 1 component assembly standards.

Applications

• Commercial electrical distribution boards
• Industrial low-voltage power systems
• Protection of sensitive electronic equipment from surges
• Buildings requiring compliance with surge protection regulations
• DIN rail mounted electrical panels

Technical Specifications

• Item number: 44020209
• Catalogue No: K2-2PG320-M
• Description: SPD, T2, 2PG, Uc 320Vac, IR
• EAN/UPC Code: 8435297889687
• RoHS Compliant: Yes
• IEC SPD Type: Class II
• UL SPD Type: Type 1 Component Assembly
• Format: Pluggable
• Nominal Operating Volt Rating (Un): 277
• AC or DC: AC
• Nominal Discharge Current (In) (8/20): 20 kA
• Max Discharge Current : Imax (8/20): 50 kA
• Protection Modes: L-N / N-PE
• System Configuration: TT, TNS
• Following Current (Ifi): 100 A
• Short Circuit Withstand (ISCCR): 25 kA
• Indication System: Yes
• Indication System Type: Green (OK) / Not green (replace) Microswitch
• Number of Poles: 2-Pole
• Torque Rating: 3 Nm
• Max. Back-Up Fuse: 315 A [gG]
• Housing Material: PA6 CT1 & PA66 CT1
• Installation Mounting: DIN rail
• Uc (L-N): 320 V
• Uc (N-PE): 255 V
• Up at In (N-PE): ≤1,5 kV
• Up at In (L-N): ≤1,5 kV
• Up at In (L-PE): ≤1,8 kV
• MCOV L-G: 320 V
• MCOV N-G: 305 V
• MCOV L-N: 320 V
• VPR L-G: 1500 V
• VPR N-G: 900 V
• VPR L-N: 1200 V
• Replacement Plug N-PE: 44020000
• Replacement Plug L-N: 44020003
• Product Width: 36 mm
• Product Length: 74.4 mm
• Product Height: 90 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 0.256 kg
• Sell Pack Width: 38 mm
• Sell Pack Length: 97 mm
• Sell Pack Height: 118 mm
• Product group: Power Line SPDs
• Product Weight: 0.232 kg

Common Search Terms

Type 2 SPD, surge protection device, 2-pole SPD, 320V surge protector, DIN rail SPD, commercial surge protection, industrial surge protector, IR K2-2PG320-M, power line SPD, transient voltage protector.