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K2-4P320-M Mersen Surge Protector Type 2 SPD 4 Pole 277/480 Volt 20KA TNS Remote Indication
MPN: 44020413
Alt. SKU: K2-4P320-M
Special Price
£154.22
£128.52
Regular Price
£205.63
This product replaces this item:
Why Choose the SPD, T2, 4P, Uc 320Vac, IR K2-4P320-M?
The SPD, T2, 4P, Uc 320Vac, IR K2-4P320-M is engineered for reliable Type 2 surge protection in three-phase systems, offering 4-pole configuration for comprehensive circuit coverage. With a continuous operating voltage (Uc) of 320V AC, it ensures optimal defence against transients and surges, safeguarding sensitive equipment and infrastructure.
Designed for easy DIN rail installation, this unit features high surge discharge capability and robust construction tailored for demanding industrial environments. Choose this SPD for enhanced system resilience, minimal maintenance, and consistent protection in accordance with strict safety standards.
Technical Specifications
- Item number: 44020413
- Catalogue No: K2-4P320-M
- Description: SPD, T2, 4P, Uc 320Vac, IR
- EAN/UPC Code: 8435297889977
- RoHS Compliant: Yes
- IEC SPD Type: Class II
- UL SPD Type: Type 1 Component Assembly
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277/480
- 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: 4-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 L-L: 640 V
- MCOV N-G: 320 V
- MCOV L-N: 640 V
- VPR L-G: 1200 V
- VPR L-L: 2000 V
- VPR N-G: 1200 V
- VPR L-N: 2000 V
- Replacement Plug L1: 44020003
- Product Width: 72 mm
- Product Length: 74.4 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.493 kg
- Sell Pack Width: 78 mm
- Sell Pack Length: 97 mm
- Sell Pack Height: 118 mm
- Product group: Power Line SPDs
- Product Weight: 0.448 kg
Product Code: 44020413
Key Benefits
- Reliable Type 2 surge protection for three-phase systems
- 4-pole configuration ensures comprehensive circuit coverage
- High surge discharge capacity with 20 kA nominal and 50 kA max discharge current
- Easy DIN rail installation for quick and secure mounting
- Visual and microswitch indication system for status monitoring
- Robust housing materials (PA6 CT1 & PA66 CT1) for industrial durability
- Complies with IEC Class II and UL Type 1 standards
- Low maintenance with replaceable pluggable format
Compatibility
This SPD is compatible with TN-S electrical systems operating at nominal voltages of 277/480 V AC. It is suitable for use with systems requiring Type 2 surge protection and supports backup fuses up to 315 A [gG]. The unit integrates seamlessly with existing DIN rail mounted electrical panels and can be paired with replacement plug 44020003 for maintenance.
Applications
- Industrial power distribution boards
- Commercial three-phase electrical systems
- Protection of sensitive electronic equipment from transient surges
- Renewable energy installations requiring surge protection
- Infrastructure and building automation systems
Frequently Asked Questions
What is the maximum discharge current of this SPD?
The maximum discharge current (Imax) is 50 kA (8/20 µs waveform).
Can this SPD be installed on a DIN rail?
Yes, the SPD is designed for easy DIN rail mounting.
What indication system does this SPD use?
It features a green (OK) / not green (replace) microswitch indication system for status monitoring.
Is this SPD RoHS compliant?
Yes, it is RoHS compliant.
What is the nominal operating voltage rating?
The nominal operating voltage rating (Un) is 277/480 V AC.
Common Search Terms
Type 2 surge protection device, 4-pole SPD, 320 V AC surge protector, DIN rail SPD, three-phase surge protection, pluggable surge arrester, industrial surge protector, power line SPD, IEC Class II SPD, UL Type 1 SPD
| Manufacturer Part Number | 44020413 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297889977 |
| Height | 74.4mm |
| Width | 72mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 4 Pole |
| Voltage | 277/480V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| Remote Indication | Yes |
| Alternative Product SKU | K2-4P320-M |
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