K2-2P320-M Mersen Surge Protector Type 2 SPD 2 Pole 277 Volt 20KA TNS Remote Indication

Why Choose the IR K2-2P320-M Surge Protection Device?

The IR K2-2P320-M is a Type 2, two-pole surge protection device (SPD) designed for low-voltage power distribution, ensuring reliable safeguarding of equipment against transient overvoltages up to 320 V AC. Engineered for quick integration, it features robust internal components for consistent protection and reduced downtime in industrial and commercial applications.

This SPD is suitable for DIN rail mounting within standard panels, providing an optimal balance between performance and compact design. With dependable operation, clear status indication, and compliance with international standards, it is the professional’s choice for effective surge mitigation.

Product Code: 44020211

Key Benefits

• Provides reliable protection against transient overvoltages up to 320 V AC.
• Compact, pluggable design for easy DIN rail mounting and quick installation.
• Clear visual indication system with green (OK) and microswitch for status monitoring.
• High nominal discharge current (20 kA) and maximum discharge current (50 kA) for robust surge handling.
• Complies with IEC Class II and UL Type 1 standards for assured quality and safety.
• Suitable for TNS system configurations, protecting L-PE and N-PE modes.

Compatibility

The IR K2-2P320-M SPD is compatible with low-voltage power distribution systems configured as TNS and designed for AC applications. It supports systems with a nominal operating voltage of 277 V and is suitable for use with backup fuses up to 315 A [gG]. The device fits standard DIN rail mounting setups commonly found in industrial and commercial electrical panels.

Applications

• Industrial power distribution panels requiring surge protection.
• Commercial building electrical systems.
• Protection of sensitive electronic equipment from transient voltage spikes.
• Renewable energy installations with low-voltage AC systems.
• Infrastructure projects needing compliance with IEC and UL surge protection standards.

Technical Specifications

• Item number: 44020211
• Catalogue No: K2-2P320-M
• Description: SPD, T2, 2P, Uc 320Vac, IR
• EAN/UPC Code: 8435297889823
• 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-PE / N-PE
• System Configuration: TNS
• 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
• MOV Response Time: ≤25
• Installation Mounting: DIN rail
• MCOV L-G: 320 V
• MCOV N-G: 320 V
• MCOV L-N: 640 V
• VPR L-G: 1200 V
• VPR N-G: 1200 V
• VPR L-N: 2000 V
• Replacement Plug L1: 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

surge protection device, SPD, Type 2 SPD, two-pole SPD, DIN rail SPD, low voltage surge protector, transient voltage protection, industrial surge protector, commercial surge protection, IR K2-2P320-M, power line SPD